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

Supplier: VWR Chemicals
Warning

Synonyms: Potash

VWRC26727.267EA 120 SGD
VWRC26727.267
Potassium carbonate ≥99.0%, AnalaR NORMAPUR® analytical reagent sodium-free
Potassium carbonate
Formula: K₂CO₃
Melting Pt: 891 °C
Density: 2,42 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00011382
CAS Number: 584-08-7
EINECS: 209-529-3
Merck Index: 13,07702
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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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