di-Natriumhydrogenphosphat Dodecahydrat ≥99,0%, AnalaR NORMAPUR® analytisches Reagens
Lieferant: VWR Chemicals
Synonyme:
Natriumphosphat dibasisch Dodecahydrat
, sek. Natriumphosphat Dodecahydrat
28028.367EA
250
EUR
28028.367
28028.298
28028.260
di-Natriumhydrogenphosphat Dodecahydrat ≥99,0%, AnalaR NORMAPUR® analytisches Reagens
di-Natriumhydrogenphosphat Dodecahydrat
Formel:
Na₂HPO₄·12H₂O Molecular Weight: 358,14 g/mol Schmelzpunkt: 35 °C Dichte: 1,52 g/cm³ (20 °C) Lagertemperatur: Raumtemperatur |
MDL:
MFCD00149181 CAS-Nummer: 10039-32-4 EINECS: 231-448-7 Merck Index: 13,08733 |
Spezifikation Testergebnisse
Assay (calculated on anhydrous) | Min. 99.0 % |
pH (20°C; 5 %) | 9.0 - 9.4 |
Heavy metals (as Pb) | Max. 5 ppm |
Insolubility in water | Max. 0.2 % |
Loss on drying (120°C) | 50.0 - 60.5 % |
Total N (Nitrogen) | Max. 10 ppm |
Cl (Chloride) | Max. 5 ppm |
SO4 (Sulphate) | Max. 50 ppm |
As (Arsenic) | Max. 0.5 ppm |
Cu (Copper) | Max. 2 ppm |
Fe (Iron) | Max. 5 ppm |
K (Potassium) | Max. 100 ppm |
Pb (Lead) | Max. 5 ppm |
Zn (Zinc) | Max. 1 ppm |
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