StockOptions Phosphate buffer kit is a preformulated, sterile filtered set of titrated buffer stocks. The StockOptions buffer stock reagents are supplied as 1.0 M stock solutions in 10 milliliter volumes. Each StockOptions Phosphate buffer reagent is formulated using a mixture of Sodium phosphate monobasic monohydrate and Potassium phosphate dibasic to determine the pH of the reagent. StockOptions Phsophate is comprised of 17 unique reagents covering the pH range of 5.0 to 8.2 in 0.2 pH unit increments.
Sodium phosphate monobasic monohydrate Synonyms: Monosodium phosphate or Sodium dihydrogen phosphate monohydrate NaH2PO4·H2O or H2NaO4P·H2O Mr 137.99 CAS Number [10049-21-5] EC Number 231-449-2 Merck 14,8660 MDL Number MFCD00149208 PubChem Substance ID 24886208 Purity > 99.0%
Trace Analysis As <0.00005% Ca <0.001% Cd <0.0005% Cl <0.0005% Co <0.0005% Cr <0.0005% Cu <0.0005% Fe <0.0005% K <0.005% Mg <0.0005% Mn <0.0005% N <0.001% Ni <0.0005% Pb <0.0005% SO4 <0.003% Zn <0.0005%
Potassium phosphate dibasic Synonyms: Dipotassium hydrogenphosphate or Dipotassium phosphate or sec.-Potassium phosphate or di-Potassium hydrogen phosphate anhydrous K2HPO4 or HK2O4P Mr 174.18 CAS Number [7758-11-4] EC Number 231-834-5 Merck 14,7658 MDL Number MFCD00011383 PubChem Substance ID 24881850 Purity ≥99.0%Total Impurities: Insoluble matter passes filter test
Trace Analysis Al <0.0005% As <0.00001% Ba <0.0005% Bi <0.0005% Ca <0.001% Cd <0.0005% Cl <0.005% Co <0.0005% Cr <0.0005% Cu <0.0005% Fe <0.0005% Li <0.0005% Mg <0.0005% Mn <0.0005% Mo <0.0005% Na <0.5% Ni <0.0005% Pb <0.0005% SO4 <0.005% Sr <0.0005% Zn <0.0005%
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