磷酸二氢钾 98.0-100.5% Ph. Eur.
供应商: VWR Chemicals
Synonyms:
磷酸一钾, 磷酸二氢钾, 无水磷酸二氢钾
VWRC26922.295EA
704.4
CNY
VWRC26922.295
VWRC26922.364
VWRC26922.466
磷酸二氢钾 98.0-100.5% Ph. Eur.
磷酸二氢钾
分子式:
KH₂PO₄ 沸点: ~100 °C (1013 hPa) 溶点: 253 °C 密度: 2,3 g/cm³ (20 °C) 存储条件: Ambient |
MDL编号:
MFCD00011401 CAS号: 7778-77-0 EINECS: 231-913-4 REACH: 01-2119490224-41 Merck Index: 13,07744 |
产品技术规格
Assay (calculated on dried substance) | 98.0 - 100.5 % |
Appearance | Conforms (see CoA/CoS) |
Identification A | Passes test |
Identification B | Passes test |
Identification C | Passes test |
Appearance of solution | Passes test |
pH (5 %) | 4.2 - 4.5 |
Reducing substances | Passes test |
Cl (Chloride) | Max. 200 ppm |
SO4 (Sulphate) | Max. 300 ppm |
As (Arsenic) | Max. 2 ppm |
Fe (Iron) | Max. 10 ppm |
Heavy metals (as Pb) | Max. 10 ppm |
Loss on drying (125-130°C) | Max. 2.0 % |
Residual solvents | Passes test |
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