Potassium carbonate ≥99.0%, AnalaR NORMAPUR® analytical reagent sodium-free

Supplier: VWR Chemicals

26727.267EA 84.2 EUR
26727.267
Potassium carbonate ≥99.0%, AnalaR NORMAPUR® analytical reagent sodium-free
Potassium carbonate
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Specification Test Results

Assay (calculated on dried substance) Min. 99.0 %
Heavy metals (as Pb) Max. 5 ppm
Insolubility in water Max. 50 ppm
Loss on drying (300 °C) Max. 1 %
Substances precipitated by NH4OH Max. 100 ppm
Total N (Nitrogen) Max. 10 ppm
Total S (as SO4) Max. 30 ppm
Cl (Chloride) Max. 30 ppm
PO4 (Phosphate) Max. 10 ppm
SiO4 (as SiO2) Max. 50 ppm
Ca (Calcium) Max. 20 ppm
Cu (Copper) Max. 5 ppm
Fe (Iron) Max. 5 ppm
Mg (Magnesium) Max. 10 ppm
Na (Sodium) Max. 0.02 %
Pb (Lead) Max. 5 ppm

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