碳酸氢钠

puriss.

200

99.0-100.5%

powder

meets analytical specification of Ph. Eur., BP, USP, FCC, E500

ammonia (NH₃), in accordance, organic volatile impurities, complies, residual solvents, complies, water-insoluble matter, complies, ≤0.002% ammonium (NH₄), complies

≤0.2% loss on drying (silica gel)

≤8.6 (20 °C, 5%)

(1) 6.37, (2) 10.25 (carbonic acid)

2.16 g/mL at 25 °C (lit.)

carbonate (CO₃^2-): in accordance, chloride (Cl^-): ≤100 mg/kg, sulfate (SO₄^2-): ≤100 mg/kg

Al: ≤0.5 mg/kg, As: ≤2 mg/kg, Ca: ≤100 mg/kg, Fe: ≤10 mg/kg, Hg: ≤1 mg/kg, K: ≤100 mg/kg, Pb: ≤2 mg/kg

complies for appearance of solution

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

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

UIIMBOGNXHQVGW-UHFFFAOYSA-M