硫酸钾，Potassium sulfate；meets analytical specification of Ph. Eur., 99-101%

质量水平

200

检测方案

99-101%

形式

solid

质量

meets analytical specification of Ph. Eur.

杂质

acidity or alkalinity, in accordance
residual solvents, complies
≤0.001% heavy metals (as Pb)

缺失

≤0.5% loss on drying, 130 °C

溶解性

boiling water: soluble 1 gm in 4 ml
glycerol: soluble 1 gm in 75 ml
water: soluble 1 gm in 8.3 ml
alcohol: insoluble

痕量阴离子

chloride (Cl^-): ≤20 mg/kg

痕量阳离子

As: ≤2 mg/kg
Ca: ≤50 mg/kg
Fe: ≤10 mg/kg
Mg: ≤20 mg/kg
Na: ≤100 mg/kg

适用性

in accordance for appearance of solution

SMILES string

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

InChI

1S/2K.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2

InChI key

OTYBMLCTZGSZBG-UHFFFAOYSA-L