偏磷酸, lumps, AnalaR NORMAPUR® 分析试剂
供应商: VWR Chemicals
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Danger
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Synonyms:
Metaphosphoric acid
VWRC20632.293EA
0
CNY
VWRC20632.293
VWRC20632.236
偏磷酸, lumps, AnalaR NORMAPUR® 分析试剂
偏磷酸
Mixture of metaphosphoric acid and sodium metaphosphate (NaPO3 : 56 to 60%)
分子式:
(HPO₃)n 分子量: 79,98 g/mol 沸点: 260 °C (1013 hPa) 溶点: 21 °C 密度: 2,4 g/cm³ (20 °C) 存储条件: Ambient |
MDL编号:
MFCD00011351 CAS号: 37267-86-0 EINECS: 253-433-4 UN号: 3260 ADR: 8,III |
产品技术规格
Assay (calculated as HPO3) (39-45 %) | Passes test |
Assay (calculated as NaPO3) (55-61 %) | Passes test |
Heavy metals (as Pb) | Max. 20 ppm |
Substances reducing KMnO4 (as H3PO3) | Max. 100 ppm |
Cl (Chloride) | Max. 20 ppm |
SO4 (Sulphate) | Max. 100 ppm |
As (Arsenic) | Max. 5 ppm |
Ca (Calcium) | Max. 100 ppm |
Fe (Iron) | Max. 10 ppm |
Mn (Manganese) | Max. 5 ppm |
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