ACS Grade Buffers

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B0394 Boric acid ACS reagent, ≥99.5% 10043-35-3 61.8  
251275 Citric acid ACS reagent, ≥99.5% 77-92-9 192.1 3.13
791725 Citric acid anhydrous, free-flowing, Redi-Dri, ACS reagent, ≥99.5% 77-92-9 192.1 3.13
E4884 Ethylenediaminetetraacetic acid disodium salt dihydrate ACS reagent, 99.0-101.0% 6381-92-6 372.2  
I2399 Imidazole ACS reagent, ≥99% (titration) Green Alternative 288-32-4 68.1 6.95
792527 Imidazole anhydrous, free-flowing, Redi-Dri, ACS reagent, ≥99% Green Alternative 288-32-4 68.1 6.95
P3911 Potassium chloride ACS reagent, 99.0-100.5% 7447-40-7 74.6  
746436 Potassium chloride anhydrous, free-flowing, Redi-Dri, ACS reagent, ≥99% 7447-40-7 74.6  
P3786 Potassium phosphate dibasic ACS reagent, ≥98% 7758-11-4 174.2  
P0662 Potassium phosphate monobasic ACS reagent, ≥99.0% 7778-77-0 136.1 2.15
241245 Sodium acetate ACS reagent, ≥99.0% 127-09-3 82 4.76
791741 Sodium acetate anhydrous, free-flowing, Redi-Dri, ACS reagent, ≥99.0% 127-09-3 82 4.76
S6014 Sodium bicarbonate ACS reagent, ≥99.7% 144-55-8 84 6.37
792519 Sodium bicarbonate anhydrous, free-flowing, Redi-Dri, ACS reagent, ≥99.7% 144-55-8 84 6.37
S9390 Sodium phosphate dibasic heptahydrate ACS reagent, 98.0-102.0% 7782-85-6 268.1  
S9763 Sodium phosphate dibasic ACS reagent, ≥99.0% 7558-79-4 142 2.15
S9638 Sodium phosphate monobasic monohydrate ACS reagent, ≥98% 10049-21-5 138  
222003 Sodium phosphate tribasic dodecahydrate ACS reagent, ≥98% 10101-89-0 380.1  
252859 Tris(hydroxymethyl)aminomethane ACS reagent, ≥99.8% 77-86-1 121.1 8.1