Phosphate de sodium monobasique dihydrate

200

98-100.5% (calc. to the dried substance)

powder or crystals

meets analytical specification of Ph. Eur., BP, USP, E 339

heavy metals (as Pb), complies, organic volatile impurities, complies, reducing matter, complies, related substances, complies, residual solvents, complies, ≤0.2% water-insoluble matter

21.5-24.0% loss on drying, 130 °C

4.1-5.0 (20 °C, 1%), 4.2-4.5 (20 °C, 5%)

chloride (Cl^-): ≤50 mg/kg, fluoride (F^-): ≤10 mg/kg, sulfate (SO₄^2-): ≤200 mg/kg

Al:, in accordance, As: ≤1 mg/kg, Ca: ≤20 mg/kg, Ca:, in accordance, Cd: ≤1 mg/kg, Cu: ≤10 mg/kg, Fe: ≤5 mg/kg, Hg: ≤1 mg/kg, Mg: ≤20 mg/kg, Pb: ≤4 mg/kg, Zn: ≤10 mg/kg

complies for appearance of solution

O.O.[Na+].OP(O)([O-])=O

1S/Na.H3O4P.2H2O/c;1-5(2,3)4;;/h;(H3,1,2,3,4);2*1H2/q+1;;;/p-1

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