Potassium carbonate ≥99.0%, AnalaR NORMAPUR® Reag. Ph. Eur. pour analyses
Marques : VWR ChemicalsTotal Evaluation: 0
Moyenne des Notes : 0.0 sur 5
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Attention
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Synonyme(s):
Carbonate de potassium
Formule:
K₂CO₃ Point de fusion: 891 °C Densité: 2,42 g/cm³ (20 °C) Température de stockage: Température ambiante |
Numéro MDL:
MFCD00011382 Numéro CAS: 584-08-7 EINECS: 209-529-3 Indice Merck: 13,07702 |
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Résultats des tests de spécification
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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