Sigma-Aldrich Manganese(II) sulfate monohydrate

grade

puriss.

Quality Level

200

assay

99-100.5% (calc. for dried substance)

form

powder or crystals

quality

meets analytical specification of pH. Eur, BP, USP, FCC

impurities

organic volatile impurities, complies (GC)
residual solvents, complies
≤0.002% heavy metals (as Pb)
≤0.5% matter not precip. by ammonia sol.

loss

10-12% loss on ignition, 500 °C

pH

3-3.5 (20 °C, 50 g/L)

anion traces

chloride (Cl^-): ≤100 mg/kg

cation traces

As: ≤3 mg/kg
Ca: ≤200 mg/kg
Fe: ≤10 mg/kg
mg: ≤200 mg/kg
Pb: ≤4 mg/kg
Se: ≤30 mg/kg
Zn: ≤50 mg/kg