碳酸钙

puriss.

200

98.5-100.5% (based on anhydrous substance)

powder

meets analytical specification of Ph. Eur., BP, USP, FCC, E170, precipitated

organic volatile impurities, complies, residual solvents, complies, ≤0.002% heavy metals (as Pb), ≤0.2% insoluble in acid (CH₃COOH), ≤0.2% insoluble in hydrochloric acid, ≤1% alkali-, Mg-ions (as SO₄)

≤2% loss on drying, 200 °C

8

2.93 g/mL at 25 °C (lit.)

chloride (Cl^-): ≤200 mg/kg, fluoride (F^-): ≤50 mg/kg, sulfate (SO₄^2-): ≤2000 mg/kg

As: ≤2 mg/kg, Ba:, in accordance, Cu: ≤10 mg/kg, Fe: ≤200 mg/kg, Hg: ≤0.5 mg/kg, Pb: ≤3 mg/kg, Zn: ≤10 mg/kg

[Ca++].[O-]C([O-])=O

1S/CH2O3.Ca/c2-1(3)4;/h(H2,2,3,4);/q;+2/p-2

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