碳酸钾，Potassium carbonate；meets analytical specification of Ph. Helv., puriss., anhydrous, granulated, 99-101% (calc. to the dried substance)

质量水平

100

等级

puriss.

测定

99-101% (calc. to the dried substance)

形式

powder or crystals

质量

granulated
meets analytical specification of Ph. Helv.

杂质

residual solvents, complies
≤0.001% heavy metals (as Pb)

缺失

≤1% loss on drying, 120 °C, 5 h

pH值（酸碱度）

11-13 (25 °C, 138 g/L)

mp

891 °C (lit.)

痕量阴离子

chloride (Cl^-): ≤20 mg/kg
sulfate (SO₄^2-): ≤20 mg/kg

痕量阳离子

As: ≤1 mg/kg
Ca: ≤50 mg/kg
Fe: ≤10 mg/kg
Mg: ≤50 mg/kg
Na: ≤2000 mg/kg

适用性

complies for appearance of solution

SMILES string

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

InChI

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

InChI key

BWHMMNNQKKPAPP-UHFFFAOYSA-L