98+% ACS
Fornitore: Thermo Fisher Scientific
Synonyms:
di-Potassium hydrogen orthophosphate, Dipotassium hydrogenphosphate, Potassium hydrogen phosphate, Dipotassium hydrogen phosphate, Dipotassium Phosphate, Dibasic Potassium Phosphate, Potassium Phosphate, Dibasic, (dipotassium hydrogen phosphate), Potassium phosphate dibasic, Dipotassium phosphate
Formula:
K₂HPO₄ Peso molecolare: 174.18 g/mol Punto di fusione: 340 °C Temperatura di stoccaggio: Ambiente |
MDL Number:
MFCD00011383 CAS Number: 7758-11-4 EINECS: 231-834-5 Merck Index: 13,07743 |
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Risultati del test di specificazione
Appearance | White Crystalline powder |
Loss on drying | ≤1.0 % (2 g, 105°C) |
pH | 8.5 to 9.6 (5% soln. at 25°C) |
Titration excess HCl | ≥98.0 % |
Chloride (Cl) | ≤0.003 % |
Sulfate (SO4) | ≤0.005 % |
Iron (Fe) | ≤0.001 % |
Sodium (Na) | ≤0.05 % |
Heavy metals (ICP-OES) | ≤5 ppm |
Insoluble matter | ≤0.01 % |
Nitrogen compounds (as N) | ≤0.001 % |
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