Potassium phosphate dibasic, Puriss. p.a., ACS Reagent, anhy

Name: Potassium phosphate dibasic
Synonymns: Dipotassium hydrogenphosphate; Dipotassium phosphate; sec.-Potassium phosphate
Description: Puriss. p.a., ACS Reagent, anhydrous, ≥99.0% (T)

Container Type: Plastic Bottle

Molar Mass: 174.18 g/mol

Empirical Formula: HK₂O₄P
Linear Formula: K₂HPO₄

CAS Number: 2139900
EC Number: 231-834-5
MDL Number: MFCD00011383
UNSPSC Code: 12352300

SPECIFICATIONS

Assay: 99.0 - 101.0 %
Water insoluble matter: max. 0.01 %
Loss on drying (105°C): max. 1.0 %
pH (5 %, 25 °C): 8.5 - 9.6
Calcium (Ca): max. 50 ppm
Cadmium (Cd): max. 5 ppm
Cobalt (Co): max. 5 ppm
Chromium (Cr): max. 5 ppm
Copper (Cu): max. 5 ppm
Iron (Fe): max. 10 ppm
Magnesium (Mg): max. 5 ppm
Manganese (Mn): max. 5 ppm
Sodium (Na): max. 500 ppm
Nickel (Ni): max. 5 ppm
Lead (Pb): max. 5 ppm
Zinc (Zn): max. 5 ppm
Chloride (Cl): max. 30 ppm
Total S (as SO₄): max. 50 ppm
Heavy metals (as Pb): max. 5 ppm
Total nitrogen (as N): max. 10 ppm
Solution 5 g + 95 mL (H₂O): complying

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