Sodium phosphate monobasic dihydrate, 98
Description
Description
Overview
Overview
Assay (calculated to the dried substance): 98.0 - 100.5 %
Assay (calculated on the anhydrous basis): 98.0 - 103.0 %
Loss on drying (130°C): 21.5 - 24.0 %
Water (Karl Fischer): 18.0 - 26.5 %
Water insoluble matter: max. 0.2 %
pH (5 %, 25 °C): 4.2 - 4.5
pH (1 %,20°C): 4.1 - 5.0
Arsenic (As): max. 1 ppm
Calcium (Ca): max. 0.002 %
Cadmium (Cd): max. 1 ppm
Copper (Cu): max. 0.001 %
Iron (Fe): max. 5 ppm
Mercury (Hg): max. 1 ppm
Magnesium (Mg): max. 0.002 %
Lead (Pb): max. 1 ppm
Zinc (Zn): max. 0.001 %
Heavy metals (as Pb): max. 10 ppm
Al, Ca and Related Substances: complying
Chloride (Cl): max. 50 ppm
Fluoride (F): max. 10 ppm
Sulfate (SO4): max. 200 ppm
Reducing impurities: complying
Appearance of the solution: complying
Residual solvents: complying
Appearance: complying
Additional details
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