węglan potasu 99,0, AnalaR NORMAPUR® Reag. Ph. Eur. zA
Dostawca: VWR Chemicals
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Uwaga
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Synonim:
Potash
26726.297EA
623
PLN
26726.297
26726.322
26726.260
26726.460
węglan potasu 99,0, AnalaR NORMAPUR® Reag. Ph. Eur. zA
węglan potasu
Formuła:
K₂CO₃ MW: 138.21 g/mol Temp. topnienia: 891 Gęstość: 2.42 g/cm³ (20 °C) Temperatura przechowywania: Temperatura otoczenia |
Numer MDL:
MFCD00011382 Numer CAS: 584-08-7 Numer WE (dawny EINECS): 209-529-3 Klasyfikacja Merck : 13,07702 |
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Wyniki testów specyfikacyjnych
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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