di-Natriumhydrogenphosphat Dodecahydrat ≥99,0%, AnalaR NORMAPUR® analytisches Reagens

Lieferant: VWR Chemicals

Synonyme: Natriumphosphat dibasisch Dodecahydratsek. 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

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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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