ml plastic 17,10 11, ml plastic 22,05 15, l plastic 30,65 21, l plastic 192,45 134,70

Transcript

1 Top-ffers in this mailing Reagents for Synthesis... p. 3 Vitamins... p. 7 Topseller Biochemicals...p. 8 Silica Gels... p. 10/11 Volumetric Solutions... p. 15 Salts... p. 19 rganic- & Biochemicals Detergents SDS Pellets h g Danger H302-H315-H318-H412 CN g plastic 26,35 18,40 CN g plastic 41,85 29,20 CN kg plastic 67,20 47,00 CN30.4 2,5 kg plastic 121,40 84,90 CN kg plastic 192,45 134,70 Tween 20 Ph.Eur g plastic 20,35 14, kg plastic 51,50 36, ,5 kg plastic 89,15 62, kg plastic 278,45 194,90 Triton X 100 h g Danger H302-H ml plastic 17,10 11, ml plastic 22,05 15, l plastic 30,65 21, l plastic 192,45 134,70 Tween 80 Ph.Eur g plastic 22,05 15, g plastic 37,55 26, kg plastic 61,85 43,25 i Further Detergents see inside Carl Roth GmbH + Co. KG Schoemperlenstraße Karlsruhe Valid from 1 st of June to 31 st of July 2018 Phone: / Fax: / info@carlroth.com Internet: For ordering and information about prices and delivery in your country please contact us or your local distributor. Contact: All supplies and deliveries are subject to the terms and conditions of sale and delivery of Carl Roth GmbH + Co. KG, Karlsruhe. GB_GB

2 Detergents Non-ionic Detergents CN g 17,10 13,65 Brij 35 CN g 26,80 21,35 CN kg 40,35 32,25 HN mg 70,85 49,55 Digitonin ultra quality HN mg 160,20 112,10 HN g 461,20 322,80 CN mg 41,40 33,10 Dodecylβ-D-maltoside CN26.3 2,5 g 145,15 116,10 CN g 67,20 53,75 (DDM) CN g 478,40 382,70 CN g 1343, ,00 n-ctyl-β-d-glucopyranoside (GP) Tergitol TM 15-S-9 Tween 40 Ph.Eur. Anionic Detergents CN g 26,80 21,35 CN g 96,65 77,25 CN g 160,20 128, ml 17,10 13, ml 37,55 29, g 21,40 17, g 37,55 29, kg 56,90 45, g 34,30 27,40 Chenodeoxycholic 98 %, g 65,05 52,00 acid g 127,40 101,90 Cholic acid sodium salt Deoxycholic acid sodium salt (DC) Lithiumdodecyl sulphate (LDS) SDS / Sodium lauryl sulphate 98 %, g 59,05 47, g 18,20 14, g 56,90 45, g 99,90 79, mg 111,70 89,30 CN g 27,45 21,90 CN g 53,65 42,85 CN g 96,65 77, g 24,20 19, kg 66,15 52,85 Zwitterionic Detergents g 60,10 48,05 CHAPS 98 %, g 100,55 80, g 207,40 165, g 439,70 351,70 CHAPS Sulfobetaine-8 Sulfobetaine %, 98 %, Cationic Detergents HN g 59,05 47,15 HN g 192,45 153,90 HN g 342,95 274, g 51,10 40, g 137,10 109, g 22,05 17, g 54,30 43, g 185,45 148,35 n-dodecyl-β-dglucopyranoside Cetylpyridinium CN g 28,50 22,75 chloride 98 %, monohydrate (CPC) CN g 107,40 85,85 Cetyltrimethylammonium bromide g 67,20 53, g 19,90 15,90 (CTAB) kg 118,15 94,45 Tetradecyltrimethylammonium bromide (MTAB) 96 %, g 38,60 30, g 149,45 119, kg 289,20 231, ,5 kg 643,95 515,10 i Further Detergents see chapter Biochemistry in our current catalogue or at 2

3 Reagents for Synthesis in our assortment! Bis(pinacolato)diboron 98 % g glass 21,40 14, g glass 32,15 22, g glass 107,40 75,10 3-Nitrobenzoic acid for synthesis g Warning H302-H g plastic 13,90 9, g plastic 42,90 29, kg plastic 77,30 54,05 B B H N 2 Maleic anhydride 99,5 %, for synthesis h g n Danger H302-H314-H317-H g glass 13,90 9, kg glass 24,65 17,20 4-Nitrobenzoic acid 99,5 %, for synthesis g Warning H302-H g plastic 13,90 9, g plastic 32,15 22, kg plastic 53,65 37,50 N 2 H Chiral Building Blocks and Auxiliaries Structural formula Product Purity Empirical formula CAS No. Art. No. Pack Qty. N N H Cinchonidine 99 % C 19 H 22 N g 107,40 80,50 N N H Cinchonine 99 % C 19 H 22 N g 224,70 168,50 H 3 C S H 3 C CH 3 NH 2 (R)-(+)-2-Methyl- 2-propanesulfinamide 97 % C 4 H 11 NS g 19,25 14, g 53,65 40, g 170,95 128,15 H 3 C S H 3 C CH 3 NH 2 (S)-(-)-2-Methyl- 2-propanesulfinamide 98 % C 4 H 11 NS g 21,40 16, g 64,40 48, g 192,45 144,30 α-pinene 98 %, for synthesis C 10 H ml 31,10 23,25 β-pinene pure C 10 H ml 23,15 17,30 H H H H H H H H D(-)-Tartaric acid L(+)-Tartaric acid C 4 H g 49,35 36,95 C 4 H g 22,50 16, kg 39,25 29, kg 143,95 107, kg 557,95 418,40 i For an extensive range of Reagents for Synthesis and Chiral Building Blocks see chapter rganic and Bioorganic Chemicals in our current catalogue or at 3

4 Biological Buffer Substances PUFFERAN, bioinorganic chemistry and molecular genetics Very high purity Dissolves easily in water and aqueous media No inhibition or activation of biological or biochemical reactions BIS-TRIS PUFFERAN 99 % g plastic 52,60 39, g plastic 209,65 157, g plastic 352,10 264,00 Glycine PUFFERAN p.a g plastic 22,05 16, kg plastic 71,95 53, kg plastic 200,50 150, kg plastic 708,45 531,30 HEPES PUFFERAN CELLPURE 99,5 % For cell culture, tissue culture and biotechnology. Endotoxins: approx. 0,025 E.U./mg HN g plastic 28,95 21,65 HN g plastic 41,85 31,30 HN g plastic 80,10 60,00 HN g plastic 141,80 106,30 HN kg plastic 244,60 183,40 HEPES 99,5 %, BioScience-Grade g plastic 35,40 26, g plastic 137,10 102, kg plastic 227,40 170,50 HEPES PUFFERAN 99,5 %, p.a. DNAse-free Protease-free RNAse-free DNAse-free Protease-free RNAse-free g plastic 33,25 24, g plastic 136,00 101, kg plastic 224,70 168, ,5 kg plastic 450,45 337, kg plastic 858,95 644,15 HEPES PUFFERAN 99,5 %, Buffer Grade HN g plastic 27,45 20,50 HN g plastic 93,00 69,70 HN kg plastic 169,35 126,95 HN kg plastic 751,45 563,55 MES PUFFERAN 99 % g plastic 63,35 47, g plastic 137,10 102, g plastic 260,70 195, kg plastic 456,90 342,65 MES monohydrate PUFFERAN 99,5 % g plastic 26,35 19, g plastic 43,55 32, g plastic 169,35 126, kg plastic 289,20 216,85 MPS PUFFERAN 99,5 % g plastic 74,10 51, g plastic 127,40 89, kg plastic 244,60 171, ,5 kg plastic 521,40 364,95 PIPES PUFFERAN 99 % g plastic 19,25 14, g plastic 55,40 41, g plastic 120,95 90, g plastic 205,90 154,35 TES PUFFERAN 99 % g plastic 26,35 19, g plastic 138,70 104, g plastic 278,45 208,80 i TRICINE PUFFERAN 99 % g plastic 26,80 20, g plastic 106,35 79, g plastic 203,20 152, kg plastic 306,40 229, ,5 kg plastic 617,05 462,75 TRIS PUFFERAN 99,9 %, p.a. g Warning H315-H319-H g plastic 50,45 37, kg plastic 89,15 66, kg plastic 370,90 278, kg plastic 704,15 528, ,5 kg plastic 185,45 139,05 TRIS PUFFERAN 99,9 %, ultra quality g Warning H315-H319-H g plastic 44,00 32, kg plastic 81,20 60, kg plastic 332,20 249, kg plastic 643,95 482, ,5 kg plastic 175,80 131,80 TRIS Ph.Eur., USP g Warning H315-H319-H335 A g plastic 40,75 30,50 A kg plastic 71,95 53,90 A kg plastic 321,45 241,05 TRIS PUFFERAN 99,3 %, Buffer Grade g Warning H315-H319-H335 AE g plastic 30,65 22,95 AE kg plastic 54,75 41,00 AE kg plastic 235,45 176,55 AE kg plastic 411,20 308,35 AE kg plastic 940,65 705,45 Further Biological Buffer Substances in our current catalogue or at 4

5 Inhibitors Aprotinin 3,0 PEU/mg, Inhibitor of serine proteases. A mg glass 36,45 29,10 A mg glass 107,40 85,85 A mg glass 195,15 156,05 A mg glass 736,40 589,10 AEBSF hydrochloride 98 %, Inhibitor of serine proteases h Danger H314 Irreversible inhibition. Due to its low toxicity, AEBSF is a good alternative to PMSF mg plastic 19,25 15, mg plastic 38,20 30, mg plastic 141,40 113,05 Antipain dihydrochloride 30 U/mg, Inhibitor of serine/cysteine proteases and trypsin-like serine proteases mg plastic 53,25 37, mg plastic 193,00 135,05 Bestatin hydrochloride 98 %, Inhibitor of aminopeptidases mg plastic 76,25 60, mg plastic 273,60 218,85 E-64 Inhibitor of cysteine proteases. Low toxicity, high cell permeability and stability against reducing reagents makes E-64 an excellent alternative to leupeptin or antipain mg plastic 88,05 70, mg plastic 314,45 251,55 Leupeptin hemisulphate 96,5 %, Reversible inhibitor of serine- and cysteine proteases. CN mg glass 45,70 36,55 CN mg glass 95,60 76,40 CN mg glass 169,35 135,45 CN mg glass 310,70 248,50 Pefabloc SC-Protease Inhibitor 95 %, Irreversible inhibitor of serine proteases. h Danger H314 A mg glass 68,30 54,60 A mg glass 284,90 227,90 A g glass 499,90 399,90 Pepstatin A 98 %, Inhibitor of acidic/aspartic proteases. Strong, highly selective inhibition. Hardly toxic mg plastic 30,00 23, mg plastic 88,05 70, mg plastic 276,85 221,45 PMSF Irreversible inhibitor of serine- and cysteine proteases. i h Danger H301-H g plastic 30,00 23, g plastic 99,90 79, g plastic 284,35 227, mg, in 30 ml glass bottle 14,20 11,30 Inhibitor Cocktails Inhibitor cocktail AEBSF Aprotinin Bestatin E-64 EDTA Leupeptin Pepstatin A Phosphoramidon Transport temp. BroadRange RT Plus - - cooled Bacteria RT His-tag cooled - : not included Inhibitor Cocktail Tissue h Danger H314 Inhibits serine proteases, esterases, cysteine proteases, and trypsin-like proteases. Recommended as cocktail for protease inhibition particularly in extracts from mammalian cells or tissue vial plastic 46,15 36,85 Inhibitor Cocktail plus g Warning H315-H319 Inhibitor cocktail for inhibition of a broad range of proteases. Inhibits serine proteases, esterases, aminopeptidase B, leucin-aminopeptidases, cysteinproteases, trypsin-like proteases, and aspartic proteases. Recommended as cocktail for protease inhibition particularly in extracts from mammalian cells or tissue. 1 ml is prepared for the inhibition of proteases from 20 g cells or tissue ml plastic 85,90 68,65 Inhibitor Cocktail Bacteria h Danger H314 Inhibitor cocktail for inhibition of a broad range of proteases. Inhibits serine proteases, aminopeptidase B, leucin-aminopeptidases, metalloproteases, cysteinproteases, and aspartic proteases. Recommended as cocktail for protease inhibition in extracts from bacteria. 1 vial is prepared for the inhibition of proteases from approx. 20 g E. coli set plastic 95,60 66,85 Inhibitor Cocktail His-tag ready- y to-use u ready- y to-use u h Danger H318-H315 Inhibitor cocktail for inhibition of a broad range of proteases. Inhibits serine proteases, aminopeptidase B, leucin-aminopeptidases, cysteinproteases, aspartic proteases, and metalloendopeptidases. Recommended as cocktail for protease inhibition particularly for extraction of His-tagged proteins from bacterial extracts. 1 ml is prepared for the inhibition of proteases in extracts from 10 g bacterial cells ml plastic 94,50 75,55 Refrigerated transport, subject to a charge! For detailed information see catalogue and at 5

6 Substrates For enzyme Product Detection Signalling product (example) Art. No. Pack Qty. A mg 27,45 21,90 Alkaline Phosphatase BCIP disodium salt colour (brown-violet) precipitate (blotting) A mg 115,60 92,45 A g 198,90 159,10 A g 665,45 532, mg 35,40 28,25 Alkaline Phosphatase BCIP-p-toluidine salt, X-Phos colour (brown) precipitate (blotting) g 68,30 54, g 261,80 209, mg 17,10 13,65 Alkaline Phosphatase p-nitrotetrazolium blue chloride (NBT) colour (brown-violet) precipitate (blotting) mg 42,90 34, g 81,60 65, g 295,65 236,50 Alkaline Phosphatase pnpp colour (yellow) soluble (ELISA, activity assay) ,5 g 15,60 12,45 Alkaline Phosphatase Roti fair pnpp 5mg colour (yellow) soluble (ELISA, activity tablets 90,85 72,65 assay) tablets 134,40 107,50 Alkaline Phosphatase Roti fair pnpp 20mg colour (yellow) soluble (ELISA, activity tablets 97,30 77,80 assay) tablets 349,40 279,50 Carnosinase L-Carnosine fluorometry soluble (activity assay) g 26,35 21, g 85,90 68,65 α-d-galactosidase X-α-Gal colour (blue) HN mg 71,95 57,50 precipitate (Yeast-Two- HN mg 217,70 174,15 Hybrid) HN mg 504,20 403,30 β-d-galactosidase 2-Nitrophenyl-β-D-galactopyranoside CN g 31,75 25,35 colour (yellow) soluble (microbiology) (NPG) CN g 54,30 43, mg 20,45 16,30 β-d-galactosidase X-β-Gal colour (blue) precipitate (blue/white mg 58,60 46,85 selection) g 109,55 87, g 370,90 296, mg 23,15 18,45 β-d-glucuronidase MUG fluorometry soluble (activity assay) mg 63,35 50, g 196,20 156,95 β-d-glucuronidase X-Gluc colour (blue) mg 99,90 69,85 precipitate (detection of mg 375,20 262,60 living cells) g 633,20 443,20 Luciferase Coelenterazine chemoluminescence mg 56,45 45,15 soluble (ELISA, BRET) ,5 mg 107,40 85,85 Luciferase D-Luciferin sodium salt fluorometry soluble (transfection) mg 32,15 25, mg 57,55 46,00 CN g 23,15 18,45 Horse raddish peroxidase Diaminobenzidine (DAB) colour (brown) precipitate (blotting) CN g 73,65 58,90 CN g 126,35 101,05 Horse raddish peroxidase Roti -DAB Kit colour (brown) precipitate (blotting) * 1 kit 181,70 145,30 Horse raddish peroxidase Roti -Lumin chemoluminescence P kit 252,65 202,10 P mini kit 70,45 56,30 precipitate (blotting) Horse raddish peroxidase Roti -Lumin plus mini kit (spray) 130,65 91,40 chemoluminescence precipitate (blotting) kit (spray) 267,70 187, kit (bottles) 435,40 304,75 Horse raddish peroxidase Roti -Lumin ultra chemoluminescence kit (spray) 934,20 747, mini kit (spray) 231,15 184,90 precipitate (blotting) g 52,60 42,00 Horse raddish peroxidase Tetramethylbenzidine (TMB) colour (blue) soluble (ELISA) g 160,20 128, g 736,40 589,10 i For an extensive range of Substrates see chapter Biochemistry in our current catalogue or at 6

7 Vitamins Product Synonym Purity Art. No. Pack Qty g 16,70 13,30 4-Aminobenzoic acid PABA, p-aminobenzoic acid, Vitamin B 10 98,5 %, for synthesis g 33,25 26, kg 89,15 71, g 12,40 9,85 L(+)-Ascorbic acid Vitamin C p.a g 17,75 14, g 27,45 21, g 12,80 10,20 L(+)-Ascorbic acid Vitamin C Ph.Eur., USP, BP g 20,35 16, kg 61,85 49,45 L(+)-Ascorbic acid sodium salt Sodium L(+)-ascorbate USP, g 24,20 19, g 72,60 58, mg 31,10 24, g 56,90 45,45 D(+)-Biotin Vitamin H 98,5 %, Ph.Eur., g 170,95 136, g 289,20 231, g 536,45 429,10 Calcium D(+)-pantothenate D(+)-Pantothenic acid calcium salt, g 26,80 21,35 Vitamin B 5 calcium salt 98 %, Ph.Eur., g 47,85 38,25 Folic acid Vitamin B 9, Pteroyl glutamic acid 96 %, T g 41,95 33,50 T g 74,10 59,20 Nicotinic acid 3-Pyridinecarboxylic acid, Niacin, Vitamin B g 31,75 25, g 64,00 51,15 Pyridoxine hydrochloride Vitamin B 6 -hydrochloride, T g 28,95 23,10 Adermine hydrochloride T g 49,35 39,45 Riboflavine Lactoflavine, Vitamin B 2 97 %, Ph.Eur., g 30,00 23,95 Thiamine hydrochloride Thiamine chloride hydrochloride, T g 16,05 12,75 98,5 %, Vitamin B 1 hydrochloride, Aneurine T g 41,85 33,40 DL-α-Tocopherol Vitamin E 96 %, Ph.Eur., oily g 66,55 53,20 DL-α-Tocopherol acetate Vitamin E acetate 96,5 %, Ph.Eur., oily g 42,50 33,95 Vitamin B 12 Cyanocobalamin 96 %, T mg 42,50 33,95 T g 71,50 57,15 Vitamin K 1 Phytomenadione, Phylloquinone 97 %, g 28,95 23, g 159,00 127,15 New sizes 7

8 Topseller Biochemicals Coenzyme Q %, mg glass 21,00 15, g glass 36,45 27, g glass 91,30 68, g glass 149,45 112, g glass 321,45 241,05 Ficoll 400 for molecular biology and biochemistry CN g plastic 39,70 29,70 CN g plastic 83,75 62,75 CN g plastic 267,70 200,75 Glutathione oxidized 98 %, g glass 34,95 26, g glass 145,15 108,80 L-Glutathione reduced 98 %, New sizes g glass 27,45 20, g glass 91,30 68, g glass 165,05 123, g glass 295,65 221,70 Guanidine hydrochloride 99,5 %, g Warning H302-H315-H g plastic 37,10 27, g plastic 64,40 48, kg plastic 118,15 88,55 Guanidine thiocyanate g Warning H302+H312+H332-H412-EUH g plastic 28,95 21, g plastic 106,35 79, kg plastic 170,95 128, kg plastic 750,90 563,10 IPTG CN g glass 26,35 19,70 CN g glass 70,85 53,10 CN g glass 499,90 374,90 CN g glass 848,20 636,10 Lecithin 97 %, made from soybeans, GM-free, AE g plastic 14,95 10,40 AE g plastic 24,65 17,20 AE kg plastic 64,00 44,75 Lecithin 97 %, made from soybeans, g plastic 20,65 14, kg plastic 51,50 36, ,5 kg plastic 115,60 80,85 Lecithin from eggs, g plastic 41,40 28, g plastic 115,60 80,85 Luminol 95 %, for synthesis g Warning H302-H315-H319-H g plastic 48,95 36, g plastic 193,40 145,00 NAD 97,5 %, AE g glass 29,60 22,15 AE g glass 117,75 88,25 AE g glass 205,90 154,35 NADH disodium salt 98 %, AE g glass 44,00 32,95 AE g glass 195,15 146,30 AE g glass 353,70 265,25 NADPH tetrasodium salt 97 %, AE mg glass 80,55 60,35 AE mg glass 180,10 135,00 AE mg glass 317,15 237,80 N-(1-Naphthyl)ethylenediamine dihydrochloride p.a. g Warning H315-H319-H g glass 34,30 25, g glass 82,70 61, g glass 138,70 104,00 Sodium ethylmercurithiosalicylate 97 % i n j Danger H300+H310+H330-H373-H400-H g plastic 68,70 51, g plastic 260,70 195,45 Tris-(2-carboxyethyl)phosphine hydrochloride 98 %, h Danger H314 HN g glass 51,50 38,55 HN g glass 166,55 124,85 Urea 99,5 %, cryst kg plastic 19,25 14, kg plastic 73,00 54, kg cardboard 232,75 174,50 8

9 Drying Agents Molecular Sieves Product Purity Globe diameter Art. No. Pack Qty. Packaging Molecular sieve 3 Å activated, under argon 1,6-2,5 mm N ml glass 12,40 9, g glass 27,45 21,90 Molecular sieve 3 Å 0,3 nm, type 564, pearls 1,6-2,5 mm g glass 61,85 49, ,5 kg plastic 160,75 128,55 P g glass 27,45 21,90 Molecular sieve 3 Å 0,3 nm, type 562 C, pearls 2,5-5,0 mm P g glass 61,85 49,45 P ,5 kg plastic 160,75 128, g glass 30,00 23,95 Molecular sieve 4 Å 0,4 nm, type 514, pearls 1,6-2,5 mm g glass 63,35 50, ,5 kg plastic 166,65 133, g glass 30,00 23,95 Molecular sieve 5 Å 0,5 nm, type 522, pearls 1,6-2,5 mm g glass 63,35 50, ,5 kg plastic 166,65 133, g glass 30,00 23,95 Molecular sieve 10 Å 1,0 nm, type 544, pearls 1,6-2,5 mm g glass 63,35 50, ,5 kg plastic 166,65 133,30 Silica Gels Silica gel orange 2-5 mm, with colour indicator, pearls Drying pearls orange; colour change from orange to colourless. Type analysis: Particle size mm BET-surface...approx. 750 m 2 /g Adsorptive capacity: 10 % rel. humidity...approx. 6,5 weight % 80 % rel. humidity...approx. 42 weight % Filled under protective gas. Colour change from orange to colourless at approx. 6 weight-% load. Regeneration at 130 C, approx. 4 hours. P g plastic 25,30 20,20 P kg plastic 38,20 30,50 P ,5 kg plastic 74,10 59,20 P kg plastic 224,70 179,70 Silica gel industry grade pearls, without indicator Universal drying agent, drying of buildings. Type analysis: Appearance...pearls, colourless to brown Particle size...1-2,3 mm BET-surface...approx. 750 m 2 /g Adsorption capacity: 10 % rel. humidity...approx. 6 weight % 80 % rel. humidity...approx. 45 weight % Regeneration at C. CN kg plastic 39,25 31,35 CN kg plastic. 142,45 113,95 CN kg plastic 256,95 205,50 CN kg plastic 590,20 472,10 Silica gel blue 2-4 mm, with colour inidicator, pearls Drying pearls blue; colour change from blue to pink. Type analysis: Particle size mm Adsorption capacity: 20 % rel. humidity...approx. 8 % 50 % rel. humidity...approx. 20 % Filled under protective gas. Change in colour from blue to fuchsia. Regeneration at ~ C, approximately 2-4 hours g plastic 17,75 14, kg plastic 27,45 21, ,5 kg plastic 54,75 43, kg plastic 181,70 145,30 Silica gel white 0,5-1 mm, granules Type analysis: Bulk density g/l Absorption capacity: 10 % rel. humidity... 5 weight % 80 % rel. humidity weight % Regeneration at ~130 C, approximately 4 hours kg plastic 33,25 26, kg plastic 115,60 92,45 Desiccant sachet Silica gel orange Desiccant sachet made of white long fiber paper with Silica gel orange filling. Regeneration is not possible. Type analysis: Adsorption capacity: 20 % rel. humidity...approx. 10 % 40 % rel. humidity...approx. 19 % 50 % rel. humidity...approx. 23 % Colour change from orange to colourless. Regeneration is not possible. 10 g (4x9 cm), with indicator N pieces/box 38,60 30,85 25 g (10 x 10 cm), with indicator N pieces/box 27,45 21,90 50 g (9 x 12 cm), with indicator N pieces/box 32,15 25,65 Silica gel white 1-3 mm, granules Type analysis: Absorption capacity: 10 % rel. humidity...approx. 6 weight % 80 % rel. humidity...approx. 32 weight % Regeneration at ~130 C, approximately 4 hours. T kg plastic 37,55 29,95 T kg plastic 121,40 97,05 9

10 Silica Gels Silica Gel - unmodified g 49,35 39,45 Silica gel 22 Grade g 75,15 60,05 0,07-0,21 mm kg 132,15 105, ,5 kg 256,95 205, g 42,90 34,25 Silica gel 35 0,01-0,014 mm g 70,85 56, kg 127,95 102, ,5 kg 267,70 214, g 40,35 32,25 Silica gel 35 0,04-0,063 mm g 70,85 56, kg 113,85 91, ,5 kg 225,65 180, g 32,15 25,65 0,006-0,035 mm g 53,25 42, kg 94,50 75, ,5 kg 165,05 132,00 Grade 710 NW 0,010-0,014 mm 0,016-0,024 mm 0,02-0,045 mm 0,03-0,2 mm 0,035-0,07 mm 0,04-0,063 mm 0,07-0,2 mm 0,09-0,13 mm 0,2-0,5 mm 0,8-1,2 mm 1,0-3,0 mm g 44,65 35, g 77,95 62, g 143,55 114, g 67,65 54, g 123,10 98, kg 224,70 179, ,5 kg 504,20 403, g 27,45 21, g 41,85 33, kg 70,85 56, ,5 kg 158,60 126,85 P g 33,25 26,55 P kg 57,95 46,30 P ,5 kg 138,70 110,90 P kg 209,65 167,70 P kg 600,95 480, g 27,85 22, g 44,65 35, kg 73,00 58, ,5 kg 165,05 132,00 P g 29,60 23,65 P kg 82,25 65,75 P ,5 kg 188,15 150,50 P kg 276,85 221,45 P kg 923,45 738, g 26,80 21, g 44,65 35, kg 67,20 53, ,5 kg 110,65 88, g 37,55 29, g 64,40 51, kg 117,20 93, ,5 kg 235,45 188,30 CN g 39,25 31,35 CN kg 66,15 52,85 CN18.3 2,5 kg 149,45 119, g 28,95 23, g 51,50 41, kg 78,40 62, ,5 kg 132,80 106, g 36,45 29, g 67,20 53, kg 117,20 93, ,5 kg 209,65 167, g 26,80 21, g 48,30 38,55 Silica gel 150 0,01-0,014 mm g 85,90 68, kg 149,45 119, ,5 kg 299,95 239, g 32,15 25,65 Silica gel 150 0,016-0,024 mm g 59,05 47, g 107,40 85, kg 192,45 153, g 25,70 20,50 Silica gel 150 0,03-0,2 mm g 37,55 29, kg 64,40 51, ,5 kg 127,95 102, g 27,45 21,90 Silica gel 150 0,035-0,07 mm g 41,85 33, kg 64,40 51, ,5 kg 142,45 113, g 27,45 21,90 Silica gel 150 0,07-0,2 mm g 41,85 33, kg 64,40 51, ,5 kg 142,45 113, g 32,15 25,65 Silica gel 150 0,1-0,3 mm g 59,05 47, kg 99,45 79, ,5 kg 192,45 153, g 32,15 25,65 Silica gel 150 0,315-0,5 mm g 56,90 45, kg 95,70 76, ,5 kg 192,45 153, g 28,95 23,10 Silica gel 150 0,6-1,4 mm g 51,50 41, kg 83,75 66, ,5 kg 155,90 124, g 49,35 39,45 Silica gel 250 0,04-0,063 mm g 91,95 73, kg 171,90 137, ,5 kg 407,45 325, g 26,80 21,35 Silica gel 250 0,07-0,2 mm g 48,30 38, g 85,90 68, kg 160,20 128, g 32,15 25,65 Silica gel 250 0,09-0,13 mm g 64,40 51, g 111,80 89, kg 203,20 162, g 64,40 51, g 203,20 162,50 Silica gel 500 0,035-0,07 mm g 375,20 300, kg 665,45 532, ,5 kg 1.568, , g 53,65 42,85 Silica gel 500 0,09-0,13 mm g 85,90 68, g 181,70 145, g 332,20 265, g 53,65 42,85 Silica gel 500 0,1-0,3 mm g 85,90 68, g 181,70 145, g 321,45 257,10 i Empty columns for Flash-chromatography see chapter Chromatography in our current catalogue or at 10

11 Silica Gels Silica Gel - unmodified g 27,85 22,25 Silica gel ,016-0,024 mm g 70,85 56, g 123,55 98, g 246,20 196, g 64,40 51, g 189,10 151,25 Silica gel ,035-0,07 mm g 353,70 282, kg 643,95 515, ,5 kg 1.482, , g 21,40 17,05 Silica gel ,09-0,13 mm g 53,65 42, g 85,90 68, g 192,45 153, g 26,80 21,35 Silica gel ,016-0,024 mm g 64,40 51, g 117,20 93, g 235,45 188, g 26,80 21,35 Silica gel ,09-0,13 mm g 75,15 60, g 127,95 102, g 321,45 257, g 26,80 21,35 Silica gel ,09-0,13 mm g 75,15 60, g 127,95 102, g 32,15 25,65 Silica gel ,1-0,3 mm g 96,65 77, g 170,95 136,70 Silica Gel 60 - modified g 42,90 34,25 amino 0,010-0,014 mm g 149,45 119, g 267,70 214, g 149,45 119,50 amino 0,035-0,07 mm g 267,70 214, g 600,95 480, g 138,70 110,90 C 18 0,01-0,014 mm g 256,95 205, g 547,20 437, g 106,45 85,10 C 18 0,035-0,07 mm g 203,20 162, g 428,95 343, g 170,95 136,70 cyano 0,01-0,014 mm g 299,95 239, g 654,70 523, g 156,85 125,45 cyano 0,035-0,07 mm g 278,45 222, g 622,45 497, g 42,90 34,25 diol 0,010-0,014 mm g 149,45 119, g 267,70 214, g 150,40 120,25 diol 0,035-0,07 mm g 278,45 222, g 600,95 480,70 Acetonitrile RTISLV 99,8 %, for preparative HPLC Methyl cyanide, Cyanomethane l g Danger H225-H302+H312+H332-H ,5 l glass 57,55 46, l tinplate 413,90 331,10 i Further solvents for the chromatography see chapter Chromatography in our current catalogue or at 11

12 TLC-Plates with Silica Gel 60 Polyester foil PLYGRAM TLC-ready-to-use foil Design Plate format Layer thickness Art. No. Pack Qty. PLYGRAM SIL G - 4 x 8 cm 0,2 mm N ,90 29,65 PLYGRAM SIL G / UV 254 with fluorescence indicator 4 x 8 cm 0,2 mm ,50 29,30 PLYGRAM SIL G / UV 254 with fluorescence indicator 4 x 8 cm 0,2 mm (4 x 50) 125,50 106,65 PLYGRAM SIL G / UV 254 with fluorescence indicator 20 x 20 cm 0,2 mm N ,50 89,65 Aluminium foil ALUGRAM /ALUGRAM Xtra TLC-ready-to-use foil Design Plate format Layer thickness Art. No. Pack Qty. ALUGRAM SIL G - 20 x 20 cm 0,2 mm N ,50 99,85 ALUGRAM SIL G / UV 254 with fluorescence indicator 4 x 8 cm 0,2 mm N ,90 29,65 ALUGRAM SIL G / UV 254 with fluorescence indicator 4 x 8 cm 0,2 mm N (4 x 50) 129,00 109,65 ALUGRAM SIL G / UV 254 with fluorescence indicator 5 x 10 cm 0,2 mm N ,90 44,95 ALUGRAM SIL G / UV 254 with fluorescence indicator 20 x 20 cm 0,2 mm N ,50 89,65 ALUGRAM Xtra SIL G / UV 254 with fluorescence indicator 4 x 8 cm 0,2 mm ,50 29,30 ALUGRAM Xtra SIL G / UV 254 with fluorescence indicator 5 x 10 cm 0,2 mm ,90 45,80 ALUGRAM Xtra SIL G / UV 254 with fluorescence indicator 20 x 20 cm 0,2 mm ,50 89,65 BIG PACK BIG PACK Detection Reagents for the TLC TLC-Spray Solutions ready- y to-use u e Product Purity Art. No. VE g 87,00 69,55 p.a g 155,90 124, kg 278,45 222,70 Ammonium heptamolybdate tetrahydrate 4-(Dimethylamino)- benzaldehyde Molybdatophosphoric acid hydrate Natural product reagent A Ninhydrin 98 %, p.a., ACS p.a., ACS 98 %, p.a. p.a., ACS X g 43,55 34,80 X g 109,55 87, g 37,55 29, g 57,95 46, g 103,10 82, g 56,90 45, g 154,30 123, g 267,70 214, g 38,60 30, g 99,90 79, g 364,45 291,50 Type Art. No. Pack Qty. (ml) Aniline phthalate spray CP ,90 33,05 2',7'-Dichlorofluoresceinspray CP ,50 31,85 4-(Dimethylamino)-benzaldehydespray CP ,50 31,85 Dragendorff-Munier spray CP ,50 31,85 Iron(III) chloride-spray CP ,90 31,35 Molybdatophosphoric acid spray CP ,50 31,85 Ninhydrin spray CP ,90 31,35 Rhodamin B-spray CP ,90 31,35 Rubeanic acid spray CP ,90 31,35 12

13 Solvents RTISLV Ultra LC-MS Acetonitrile RTISLV 99,98 %, Ultra LC-MS Methyl cyanide, Cyanomethane l g Danger H225-H302+H312+H332-H319 HN l glass 80,55 60,35 HN40.2 2,5 l glass 150,40 112,75 Methanol RTISLV 99,98 %, Ultra LC-MS Methyl alcohol, Carbinol l i n Danger H225-H301+H311+H331-H370 HN l glass 33,25 24,85 HN41.2 2,5 l glass 75,15 56,30 Tetrahydrofuran RTISLV 99,9 %, Ultra LC-MS, not stabilized THF, xolane l g n Danger H225-H319-H335-H351-EUH l glass 117,20 87,85 Water RTISLV Ultra LC-MS HN l glass 36,25 27,10 HN43.2 2,5 l glass 77,30 57,90 2-Propanol RTISLV 99,95 %, Ultra LC-MS Isopropanol, Isopropyl alcohol, Dimethyl carbinol, IPA, 2-Hydroxypropane l g Danger H225-H319-H l glass 53,65 40,20 RTISLV LC-MS Grade Acetic acid ethyl ester RTISLV 99,9 %, LC-MS-Grade Ethyl acetate, Acetic ester l g Danger H225-H319-H336-EUH066 AE l glass 48,30 36,15 AE69.2 2,5 l glass 99,90 74,85 Acetonitrile RTISLV 99,95 %, LC-MS Grade Methyl cyanide, Cyanomethane l g Danger H225-H302+H312+H332-H319 AE l glass 74,10 55,50 AE70.2 2,5 l glass 121,40 91,00 Methanol RTISLV 99,95 %, LC-MS-Grade Methyl alcohol, Carbinol l i n Danger H225-H301+H311+H331-H370 AE l glass 28,50 21,30 AE71.2 2,5 l glass 61,85 46,30 2-Propanol RTISLV 99,95 %, LC-MS Grade Isopropanol, Isopropyl alcohol, Dimethyl carbinol, IPA, 2-Hydroxypropane l g Danger H225-H319-H336 AE l glass 38,20 28,60 AE73.2 2,5 l glass 75,15 56,30 Water RTISLV LC-MS-Grade AE l plastic 28,95 21,65 AE72.3 2,5 l glass 70,85 53,10 AE l plastic 131,05 98,25 new size 13

14 Complexometry g 31,75 25,35 CDTA H 2 p.a., ACS g 93,45 74, g 209,65 167, g 385,95 308, g 69,35 55,45 CDTA H g 162,90 130,25 for synthesis g 284,90 227, kg 536,45 429,10 DTPA EDTA for synthesis EDTA 99 % EDTA-CaNa 2 2 H 2 EDTA-CuNa 2 2 H 2 EDTA-FeNa 3 H 2 EDTA-K 2 2 H 2 EDTA-K 2 2 H 2 p.a., ACS 98 %, Ph.Eur., USP for synthesis 98 %, for synthesis p.a. for synthesis EDTA-K 3 2 H 2 99 % g 18,20 14, g 31,75 25, g 50,45 40, kg 89,15 71, g 15,60 12, g 35,40 28, kg 53,25 42, ,5 kg 106,45 85, kg 833,15 666,50 CN g 16,35 13,05 CN g 27,45 21,90 CN kg 44,65 35,65 CN kg 171,90 137, g 44,00 35, g 81,60 65, kg 149,45 119, g 40,75 32, g 71,95 57, kg 131,70 105, g 36,45 29, g 66,15 52, kg 110,65 88, g 23,15 18, g 44,65 35, g 77,30 61, kg 137,10 109, kg 557,95 446, g 25,30 20, g 43,55 34, kg 77,30 61, kg 338,65 270, g 28,95 23, g 53,65 42, kg 160,20 128, kg 643,95 515, g 32,15 25,65 EDTA-MgNa 2 2 H 2 90 %, g 59,05 47,15 for synthesis kg 103,10 82,45 EDTA-MnNa 2 2 H 2 EDTA-Na 2 2 H 2 EDTA-Na 2 2 H 2 93 %, for synthesis p.a., ACS USP g 41,40 33, g 73,00 58, kg 132,80 106, g 21,40 17, g 34,30 27, kg 100,55 80, ,5 kg 192,45 153, kg 364,45 291, kg 826,70 661,30 X g 19,25 15,35 X kg 48,95 39,10 X ,5 kg 105,25 84,15 X kg 200,95 160,70 X kg 805,20 644, g 22,05 17,60 EDTA-Na % kg 30,00 23, kg 105,25 84, g 21,00 16,75 EDTA-Na 4 2 H 2 99 % g 35,40 28, kg 63,35 50, kg 267,70 214,10 CP g 19,25 15,35 EDTA-Na 4 4 H 2 p.a. CP g 29,60 23,65 CP kg 50,00 39,95 CP kg 203,20 162, g 41,85 33,40 EDTA-ZnNa 2 2 H 2 96 %, for synthesis g 74,10 59, kg 134,40 107, g 34,30 27,40 EGTA p.a g 134,40 107, g 233,85 187,05 NTA p.a., ACS g 66,55 53, g 21,40 17,05 NTA g 66,55 53, kg 123,65 98, g 19,90 15,90 NTA-Na 3 H g 55,80 44, kg 89,15 71, ,5 kg 203,20 162,50 14

15 Volumetric Solutions, ready-to-use ready- y to-use u e The advantages of this over making them yourself are: Manufactured and tested using modern manufacturing and analytical methods Ready-to-use s High accuracy for precise analyses Application of NIST-certified reference substances for checking Connection to standard titrators is possible Product Purity Art. No. Pack Qty. Packaging Hydrochloric acid 0,01 mol/l -0,01 N N l plastic 19,25 15,35 Hydrochloric acid l plastic 19,05 15,20 0,05 mol/l - 0,05 N ,5 l plastic 34,30 27, l RTI CUBE 61,20 48,90 K ml plastic 13,90 11,05 Hydrochloric acid K l plastic 19,05 15,20 0,1 mol/l - K l plastic 56,45 45,15 0,1 N K l RTI CUBE 61,20 48,90 K l RTI CUBE 90,20 72,10 Hydrochloric acid 0,2 mol/l - 0,2 N l plastic 18,20 14,50 Hydrochloric acid 0,5 mol/l - 0,5 N Hydrochloric acid 1 mol/l - 1 N Hydrochloric acid 2 mol/l - 2 N P l plastic 19,05 15,20 P l plastic 56,45 45,15 P l RTI CUBE 61,20 48,90 P l RTI CUBE 90,20 72,10 K l plastic 19,05 15,20 K l plastic 56,45 45,15 K l RTI CUBE 61,20 48,90 K l RTI CUBE 90,20 72,10 T l plastic 19,05 15,20 T l plastic 56,45 45,15 T l RTI CUBE 61,20 48,90 Hydrochloric acid 4 mol/l - 4 N N l plastic 30,00 23,95 Hydrochloric acid 6 mol/l - 6 N l plastic 30,00 23,95 Hydrochloric acid 10 mol/l - 10 N l plastic 96,65 77,25 Nitric acid 0,1 mol/l - 0,1 N KK l plastic 18,50 14,75 Nitric acid 1 mol/l - 1 N N l plastic 21,40 17,05 Nitric acid 2 mol/l - 2 N ml plastic 23,55 18, l plastic 34,30 27,40 hydroxide hydroxide hydroxide hydroxide sol. in ethanol hydroxide sol. in ethanol hydroxide sol. in methanol hydroxide sol. in methanol hydroxide sol. in 2-Propanol Silver nitrate 0,1 mol/l - 0,1 N 0,5 mol/l - 0,5 N 1 mol/l - 1 N 0,1 mol/l - 0,1 N 0,5 mol/l - 0,5 N 0,1 mol/l - 0,1 N 0,5 mol/l - 0,5 N 0,1 mol/l - 0,1 N 0,01 mol/l - 0,01 N K l plastic 22,05 17,60 K l plastic 59,05 47,15 K l RTI CUBE 62,25 49,75 N l plastic 22,05 17,60 N l plastic 59,05 47,15 N l RTI CUBE 62,25 49,75 K l plastic 22,05 17,60 K l plastic 59,05 47,15 K l RTI CUBE 62,25 49,75 P l glass 39,25 31,35 P l glass 56,45 45,15 KK l glass 31,75 25,35 KK l glass 29,60 23,65 KK l glass 50,45 40, ml plastic 15,60 12, ml plastic 20,65 16, l plastic 30,00 23, ,5 l plastic 60,10 48,05 Product Purity Art. No. Pack Qty. Packaging ml plastic 33,25 26,55 Silver nitrate 0,05 mol/l ml plastic 39,70 31,70 0,05 N l plastic 56,90 45, ,5 l plastic 103,10 82,45 K ml plastic 34,30 27,40 Silver nitrate 0,1 mol/l - K ml plastic 44,65 35,65 0,1 N K l plastic 74,10 59,20 K ,5 l plastic 114,50 91, ml plastic 56,90 45,45 Silver nitrate 0,5 mol/l ml plastic 91,30 72,95 0,5 N l plastic 170,95 136, ml plastic 103,75 82,95 Silver nitrate 1 mol/l - 1 N ml plastic 155,90 124, l plastic 295,65 236,50 Sodium hydroxide 0,01 mol/l - 0,01 N N l plastic 19,60 15,60 Sodium hydroxide Sodium hydroxide Sodium hydroxide Sodium hydroxide Sodium hydroxide Sodium hydroxide Sodium hydroxide Sodium hydroxide Sodium hydroxide Sodium hydroxide Sulphuric acid Sulphuric acid Sulphuric acid Sulphuric acid Sulphuric acid 0,05 mol/l - 0,05 N 0,1 mol/l - 0,1 N 0,2 mol/l - 0,2 N 0,25 mol/l - 0,25 N 0,5 mol/l - 0,5 N 1 mol/l - 1 N 2 mol/l - 2 N 4 mol/l - 4 N 5 mol/l - 5 N 6 mol/l - 6 N 0,01 mol/l - 0,02 N 0,05 mol/l - 0,1 N 0,1 mol/l - 0,2 N 0,25 mol/l - 0,5 N 0,5 mol/l - 1 N l plastic 19,25 15,35 K l plastic 19,05 15,20 K l plastic 56,90 45,45 K l RTI CUBE 60,10 48,05 K l RTI CUBE 90,20 72,10 N l plastic 19,05 15,20 N l RTI CUBE 60,10 48,05 N l RTI CUBE 90,20 72,10 P l plastic 19,05 15,20 P l RTI CUBE 60,10 48,05 P l RTI CUBE 90,20 72,10 P l plastic 19,05 15,20 P l plastic 56,90 45,45 P l RTI CUBE 60,10 48,05 P l RTI CUBE 90,20 72,10 K l plastic 18,85 15,05 K l plastic 56,45 45,15 K l RTI CUBE 60,75 48,55 K l RTI CUBE 90,20 72,10 T l plastic 19,25 15,35 T l plastic 63,35 50,60 T l RTI CUBE 68,70 54,90 T l plastic 36,05 28,80 KK l plastic 28,50 22, l plastic 96,65 77,25 X l plastic 24,20 19,35 K l plastic 19,05 15,20 K l plastic 56,45 45,15 K l RTI CUBE 61,20 48,90 K l RTI CUBE 90,20 72,10 N l plastic 19,05 15,20 N l plastic 56,45 45,15 P l plastic 19,05 15,20 P l RTI CUBE 61,20 48,90 P l RTI CUBE 90,20 72,10 K l plastic 19,05 15,20 K l plastic 56,45 45,15 K l RTI CUBE 61,20 48,90 K l RTI CUBE 90,20 72,10 Sulphuric acid 1 mol/l - 2 N X l plastic 24,20 19, ml plastic 25,70 20,50 Sulphuric acid 2 mol/l - 4 N l plastic 40,35 32,25 Sulphuric acid 2,5 mol/l - 5 N KK l plastic 26,80 21,35 i Further volumetric s see chapter Inorganic and analytical reagents in our current catalogue or at 15

16 ph-indicators and ph-indicator Solutions - ready to use Product Purity Art. No. Pack Qty. T g 16,70 13,30 Bromocresol green ACS T g 26,80 21,35 T g 45,70 36,55 T g 87,00 69,55 KK g 12,80 10,20 Bromocresol green ACS KK g 33,25 26,55 sodium salt KK g 115,60 92,45 Bromocresol purple p.a., ACS g 20,65 16, g 65,05 52,00 Bromcresol purple g 19,25 15,35 p.a., ACS sodium salt g 48,95 39,10 Bromophenol blue Bromophenol blue sodium salt Bromophenol red Bromophenol red sodium salt Bromothymol blue Bromothymol blue sodium salt Litmus (C.I. 1242) Methylene blue (C.I ) ACS, for microscopy for electrophoresis p.a. p.a. p.a., ACS p.a. p.a. - T g 22,05 17,60 T g 28,95 23,10 T g 46,15 36,85 A g 22,05 17,60 A g 41,85 33,40 A g 69,80 55, g 20,35 16, g 39,70 31, g 188,15 150, g 19,60 15, g 37,55 29, g 170,95 136,70 T g 24,20 19,35 T g 57,95 46,30 T g 97,75 78,15 T g 170,95 136,70 KK g 20,35 16,20 KK g 31,75 25,35 KK g 57,95 46, g 12,80 10, g 33,25 26,55 A g 19,60 15,60 A g 46,15 36,85 A g 75,15 60,05 Product Purity Art. No. Pack Qty. T g 25,70 20,50 Methyl orange ACS, T g 39,25 31,35 (C.I ) for microscopy T g 57,95 46,30 Methyl red T g 14,95 11,90 p.a., ACS (C.I ) T g 24,65 19,65 Methyl red sodium salt p.a., g 23,15 18,45 (C.I ) soluble in water g 65,05 52,00 T g 17,10 13,65 Phenolphthalein p.a. T g 23,15 18,45 (C.I. 764) T g 62,25 49,75 KK g 17,10 13,65 Thymol blue p.a., ACS KK g 24,65 19,65 KK g 50,00 39,95 Thymol blue g 20,35 16,20 p.a., ACS sodium salt g 52,15 41,70 HN g 19,25 15,35 Thymolphthalein p.a., ACS HN g 32,15 25,65 HN g 115,60 92,45 Indicator Solutions ready to use ready- y to-use u e Bromocresol green indicator 0,1 % in ethanol, denatured ml 22,05 17,60 Bromocresol purple indicator 0,1 % in water ml 41,85 33,40 Bromophenol blue indicator 0,1 % in ethanol, denatured ml 22,50 17,95 Bromophenol red indicator 0,1 % in ethanol, denatured ml 31,10 24,80 Bromothymol blue indicator 0,04 % in water ml 36,45 29,10 Methylene blue indicator 0,01 mol/l in water ml 25,70 20,50 Methyl orange indicator 0,1 % in water T ml 19,25 15,35 Methyl red indicator 0,1 %, in ethanol, denatured T ml 26,35 21,05 Phenolphthalein indicator 0,1 % 0,1 % in ethanol 90 %, denatured ml 19,90 15, ml 26,35 21,05 K ml 21,00 16,75 Phenolphthalein indicator 1 % 1 % in ethanol 90 %, denatured K ml 27,85 22,25 K l 37,55 29,95 Thymol blue indicator 0,1 % in ethanol, denatured ml 42,50 33,95 Thymolphthalein indicator 0,1 % in ethanol, denatured ml 34,30 27,40 i Further indicators and detecting reagents see chapter Inorganic and analytical reagents in our current catalogue or at 16

17 Determination of Adsorbable rganic Halogen Compounds (AX) Charcoal for the determination of AX (column method) Type analysis: Iodine value mg/g Chloride (Cl)... 0,0005 % Particle size... ~ µm g glass 76,90 61,45 Charcoal for the determination of AX (shaking method) Type analysis: Iodine value mg/g Chloride (Cl)... 0,0005 % Particle size µm g glass 71,95 57,50 4-Chlorophenol 200 mg AX/l For determination of AX acc. to EN IS 9562:2004, DEV H ml glass 59,05 47,15 Product Purity Art. No. Pack Qty. Pack ml glass 18,85 15,05 Nitric acid 65 %, l glass 29,60 23,65 p.a., IS ,5 l glass 57,95 46,30 iodide Sodium nitrate Sodium sulphite Starch 1 % indicator Sulphuric acid 99,5 %, p.a., IS p.a., ACS, IS 98 %, p.a., ACS, anyhydrous in water, stabilized 96 %, p.a., IS g glass 82,25 65, g glass 142,45 113, kg glass 256,95 205,50 A g plastic 28,95 23,10 A kg plastic 45,70 36,55 A ,5 kg plastic 100,55 80,40 P g plastic 18,85 15,05 P kg plastic 27,85 22,25 P ,5 kg plastic 50,00 39,95 T ml plastic 24,20 19, ml glass 18,85 15, l glass 30,65 24, l plastic 27,85 22, ,5 l glass 61,20 48, ,5 l plastic 64,40 51, l plastic 117,20 93,70 Determination of water hardness Product Purity Art. No. Pack Qty. Packaging Buffer ph 10,00 for buffer, T l plastic 24,20 19,35 complexometry ready to use EDTA disodium salt EDTA disodium salt EDTA disodium salt EDTA disodium salt EDTA disodium salt A EDTA disodium salt B Eriochrome black T (C.I ) Eriochrome black T (C.I ), trituration Murexide (C.I ) 0,01 mol/l - 0,01 N 0,05 mol/l - 0,05 N 0,1 mol/l - 0,1 N 0,2 mol/l - 0,2 N CN l plastic 24,20 19,35 CN l RTI CUBE 71,95 57,50 CN l RTI CUBE 130,00 103,95 KK l plastic 21,40 17,05 KK l plastic 65,05 52,00 KK l RTI CUBE 69,35 55,45 K l plastic 22,05 17,60 K l plastic 66,15 52,85 K l RTI CUBE 71,95 57,50 K l RTI CUBE 128,90 103, l plastic 23,55 18, l RTI CUBE 70,85 56,65 0,1 mol/l - 0,1 N T l plastic 29,60 23,65 0,01783 mol/l - 0,01783 N p.a. Indicator 1 % in NaCl, trituration ACS, for complexometry T l plastic 24,20 19,35 T l RTI CUBE 71,95 57,50 T l RTI CUBE 130,00 103, g glass 15,60 12, g glass 26,80 21, g glass 48,30 38,55 K g plastic 19,90 15,90 K g plastic 28,50 22,75 K g plastic 51,50 41,15 T g glass 24,65 19,65 T g glass 57,95 46,30 T g glass 95,60 76,40 Indicator buffer tablets for determination of water hardness with EDTA g Warning H317 Dissolve one tablet in 100 ml water sample and bring to ph 11 with approx. 1 ml ammonia 30 % (art. CP17). Titrate with EDTA disodium salt volumetric (art. T136 or T137) from red to green. Type analysis: Suitability as indicator...complies Disintegration time (25 C) s pieces 19,90 15, pieces 47,20 37,70 17

18 Acids and Bases Technical Quality Acids Product Purity Art. No. Pack Qty. Pack l plastic 18,20 13,60 Acetic acid for synthesis ,5 l plastic 36,45 27, l plastic 66,15 49, l plastic 99,45 74, l plastic 177,40 133,00 Formic acid l glass 22,05 16,50 98 %, ,5 l glass 44,00 32,95 for synthesis l plastic 95,60 71, l glass 21,40 16,00 Formic acid 85 %, pure ,5 l glass 36,45 27, l plastic 65,50 49,05 Hydrochloric acid Hydrochloric acid Hydrochloric acid Hydrochloric acid Hydrochloric acid 37 %, 32 %, 30 %, techn. 25 %, 10 %, techn l glass 18,85 14, ,5 l glass 30,65 22, l plastic 68,30 51,15 X l plastic 14,55 10,85 X ,5 l plastic 22,50 16,80 X l plastic 58,60 43,90 X l plastic 149,45 112, l plastic 13,45 10, l plastic 36,45 27, kg plastic 75,15 56,30 X l plastic 14,55 10,85 X ,5 l plastic 24,65 18,40 X l plastic 50,45 37, ,5 l plastic 20,35 15, l plastic 27,85 20, l plastic 36,45 27,30 Product Purity Art. No. orthophosphoric acid Nitric acid Nitric acid Sulphuric acid Sulphuric acid Trifluoracetic acid (TFA) 85 %, 65 %, pure 40 %, pure 96 %, pure 25 %, 99,9 % Pack Qty. Pack l plastic 38,60 28, ,5 l plastic 69,35 51, l plastic 145,15 108,80 X l glass 24,20 18,10 X ,5 l glass 38,60 28, l glass 18,85 14, l plastic 47,20 35, l plastic 59,05 44, l plastic 113,45 85, l glass 25,70 19, ,5 l glass 40,35 30, l plastic 66,55 49, l plastic 16,05 11, ,5 l plastic 22,05 16, l plastic 41,40 31, l plastic 72,60 54, ml glass 110,20 82, l glass 192,45 144, ,5 l glass 418,20 313,60 Bases Product Purity Art. No. Pack Qty. Pack. P l glass 32,80 24,55 Ammonia %, P ,5 l glass 60,75 45,50 P l plastic 223,10 167, l plastic 18,20 13,60 Ammonia 25 %, l plastic 33,25 24, l plastic 43,55 32, l plastic 105,90 79,35 hydroxide hydroxide hydroxide 50 %, 45 %, 20 %, pure l plastic 19,60 14, l plastic 78,40 58, l plastic 17,75 13, ,5 l plastic 25,30 18, l plastic 60,75 45, l plastic 16,70 12, ,5 l plastic 24,20 18, l plastic 40,75 30, l plastic 56,90 42,60 Product Purity Art. No. Sodium hydroxide Sodium hydroxide Sodium hydroxide 50 %, 45 %, 32 %, Pack Qty. Pack l plastic 19,25 14, ,5 l plastic 26,80 20, l plastic 39,70 29, l plastic 52,60 39, l plastic 104,85 78, l plastic 16,70 12, ,5 l plastic 24,20 18, l plastic 52,15 39, l plastic 104,20 78,10 T l plastic 14,95 11,15 T ,5 l plastic 23,15 17,30 T l plastic 33,90 25,35 T l plastic 48,95 36,65 T l plastic 79,45 59,55 i Further acids and bases see chapter Chemicals A-Z in our current catalogue or at 18

19 Salts Technical Quality Product Purity Art. No. Ammonium heptamolybdate tetrahydrate Ammonium sulphate Calcium chloride Calcium nitrate tetrahydrate Cerium(IV) ammonium nitrate Copper(II) oxide Copper(II) sulphate pentahydrate Iron(III) chloride hexahydrate Lithium chloride Magnesium chloride Magnesium sulphate heptahydrate Manganese(II) acetate tetrahydrate cryst. 94 %, dehydrated 98 %, 97,5 %, powder 98 %, cryst. 98 %, pure 98,5 %, anhydrous pure Pack Qty. Packaging g plastic 23,15 17, g plastic 73,00 54, kg plastic 120,95 90, ,5 kg plastic 256,95 192, g plastic 18,20 13, kg plastic 24,20 18, kg plastic 85,90 64, kg plastic 310,70 233,00 A kg plastic 18,20 13,60 A ,5 kg plastic 31,10 23,25 A kg plastic 48,30 36,15 A kg plastic 78,40 58,75 A kg plastic 116,00 86,95 X g plastic 13,90 10,35 X kg plastic 18,20 13,60 X ,5 kg plastic 31,10 23,25 X kg plastic 52,60 39,40 X kg plastic 203,20 152, g plastic 40,75 30, g plastic 87,65 65, g plastic 154,70 115, kg plastic 289,20 216, g plastic 19,25 14, g plastic 30,65 22, kg plastic 56,45 42, ,5 kg plastic 120,95 90, kg plastic 24,65 18, ,5 kg plastic 49,35 36, kg plastic 88,15 66, kg plastic 144,95 108, kg plastic 239,20 179, kg plastic 37,55 28, ,5 kg plastic 73,00 54, kg plastic 547,20 410,35 P g plastic 22,05 16,50 P kg plastic 76,90 57,60 P ,5 kg plastic 155,90 116,90 KK g plastic 13,45 10,05 KK g plastic 30,00 22,45 KK kg plastic 50,00 37, kg plastic 17,10 12, ,5 kg plastic 26,35 19, kg plastic 64,00 47, g plastic 20,65 15, kg plastic 33,25 24, ,5 kg plastic 66,55 49, kg plastic 510,65 382,95 Product Purity Art. No. Pack Qty. Packaging g plastic 17,10 12,75 hexacyanoferrate(ii) >99 %, cryst kg plastic 41,85 31,30 trihydrate kg plastic 155,90 116, g plastic 25,70 19,20 hexacyanoferrate(iii) techn kg plastic 42,90 32, kg plastic 160,75 120, g plastic 22,05 16,50 di- 98 %, kg plastic 36,05 26,95 hydrogen phosphate anhydrous kg plastic 143,55 107, kg plastic 600,95 450, kg plastic 16,05 11,95 Sodium carbonate anhydrous kg plastic 60,10 45, kg plastic 112,90 84, kg plastic 10,25 7, kg plastic 28,50 21,30 Sodium >99,8 %, chloride with anticaking kg plastic 52,60 39, kg plastic 109,55 82, kg cardb. 166,65 124, kg plastic 14,95 11,15 Sodium sulphate anhydrous ,5 kg plastic 32,15 24, kg plastic 103,10 77, kg plastic 21,00 15,70 Zinc chloride 97 %, cryst ,5 kg plastic 40,75 30, kg plastic 138,70 104,00 19

20 xidising Agents Technical Quality Hydrogen peroxide 30 % for synthesis, stabilized xidant, bleaching agent h g Danger H302-H318 CP ml plastic 14,95 11,90 CP l plastic 18,85 15,05 CP26.4 2,5 l plastic 27,45 21,90 CP l plastic 49,35 39,45 CP l plastic 99,90 79,85 Hydrogen peroxide 35 % pure, stabilized xidant, bleaching agent h g Danger H318-H335-H315-H ml plastic 16,05 12, l plastic 21,00 16, ,5 l plastic 31,10 24, l plastic 77,95 62, l plastic 170,95 136,70 Hydrogen peroxide 50 % 50 % techn., stab. xidant o h g Danger H272-H302-H314-H335-H ml plastic 16,70 13, l plastic 22,05 17, ,5 l plastic 32,80 26, l plastic 55,80 44, l plastic 100,95 80,70 dichromate 99,5 %, cryst. o i n h j Danger H272-H301-H330-H334-H340-H350-H335- H360FD-H372-H314-H312-H317-H g plastic 17,10 13, kg plastic 90,85 72, kg plastic 353,70 282,90 Sodium hypochlorite 5-10 % Cl, techn. h j Danger H290-H314-H400-EUH l plastic 13,15 10, ,5 l plastic 18,20 14, l plastic 27,45 21, kg plastic 53,25 42,55 Sodium hypochlorite 12 % Cl, techn. Chlorine bleaching, sodium bicarbonate bleaching h j Danger H290-H314-H400-EUH l plastic 17,75 14, ,5 l plastic 26,35 21, l plastic 35,40 28, kg plastic 85,90 68,65 TEMP 98 %, for synthesis h Danger H290-H g glass 13,90 9, g glass 26,80 18, g glass 64,40 45,00 Reducing Agents Technical Quality Magnesium filings 99,9 %, acc. to Grignard, for synthesis l Danger H261-H228 AE g tin 17,75 14,15 AE g tin 26,80 21,35 AE kg tin 43,55 34,80 Sodium rods, in paraffin oil g 153,20 122,55 Sodium borohydride 97 % g 33,25 26, g 70,45 56, kg 21,40 17,05 Sodium sulphite 98 %, anhydrous kg 54,75 43, kg 99,90 79, kg 187,60 150, g 12,40 9,85 Triphenylphosphine 99,5 %, for synthesis g 19,25 15, g 34,30 27, kg 102,15 81, g 28,95 23,10 Zinc dust 98 %, particle size <63 μm, stab kg 40,75 32, ,5 kg 71,95 57,50 20