碳酸钾 ≥99.0%, AnalaR NORMAPUR® Reag. Ph. Eur. 分析试剂

供应商: VWR Chemicals
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VWRC26726.260EA 0 CNY
VWRC26726.260 VWRC26726.297 VWRC26726.460 VWRC26726.322
碳酸钾 ≥99.0%, AnalaR NORMAPUR® Reag. Ph. Eur. 分析试剂
碳酸钾
分子式: K₂CO₃
分子量: 138,21 g/mol
溶点: 891 °C
密度: 2,42 g/cm³ (20 °C)
存储条件: Ambient
MDL编号: MFCD00011382
CAS号: 584-08-7
EINECS: 209-529-3
Merck Index: 13,07702
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产品技术规格

Assay (on anhydrous substance) Min. 99.0 %
Ba (Barium) Passes test
CN (Cyanide) Passes test
Sulphur compounds (as S) Passes test
Free potassium hydroxide Max. 0.05 %
Heavy metals (as Pb) Max. 5 ppm
Insolubility in water Max. 50 ppm
Substances precipitated by NH4OH Max. 100 ppm
Cl (Chloride) Max. 30 ppm
NO3 (Nitrate) Max. 30 ppm
PO4 (Phosphate) Max. 10 ppm
SO4 + SO3 (as SO4) Max. 20 ppm
As (Arsenic) Max. 2 ppm
Ca + Mg (as Ca) Max. 100 ppm
Fe (Iron) Max. 5 ppm
Na (Sodium) Max. 0.2 %
Conforms to Reag. Ph.Eur. Passes test

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