Dihydrogenfosforečnan draselný 99.5-100.5%, AnalaR NORMAPUR® Reag. Ph. Eur. analytical reagent
Dodavatel: VWR Chemicals
26936.236EA
1080
CZK
26936.236
26936.293
26936.260
26936.320
26936.460
Dihydrogenfosforečnan draselný 99.5-100.5%, AnalaR NORMAPUR® Reag. Ph. Eur. analytical reagent
Dihydrogenfosforečnan draselný
Vzorec:
KH₂PO₄ Bod varu: ~100 °C (1013 hPa) Bod tání: 253 °C Hustota: 2,3 g/cm³ (20 °C) Storage Temperature: Ambient |
MDL Number:
MFCD00011401 CAS číslo: 7778-77-0 EINECS: 231-913-4 REACH: 01-2119490224-41 Merck Index: 13,07744 |
Výsledky specifikačního testu
Assay (calculated on dried substance) | 99.5 - 100.5 % |
Appearance of Solution S | Passes test Ph.Eur. |
Identification A | Passes test Ph.Eur. |
Identification B | Passes test Ph.Eur. |
Identification C | Passes test Ph.Eur. |
Reducing substances | Passes test Ph.Eur. |
Solubility in water | Passes test |
pH (20°C; 5 %) | 4.2 - 4.5 |
Heavy metals (as Pb) | Max. 10 ppm |
Loss on drying (105°C) | Max. 2 % |
Total N (Nitrogen) | Max. 20 ppm |
Water | Max. 0.2 % |
Cl (Chloride) | Max. 5 ppm |
SO4 (Sulphate) | Max. 30 ppm |
As (Arsenic) | Max. 0.5 ppm |
Ca (Calcium) | Max. 100 ppm |
Cu (Copper) | Max. 3 ppm |
Fe (Iron) | Max. 10 ppm |
Mg (Magnesium) | Max. 20 ppm |
Na (Sodium) | Max. 0.02 % |
Pb (Lead) | Max. 10 ppm |
Conforms to Reag. Ph.Eur. | Passes test |
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