货号 | CAS号 | 包装 |
---|---|---|
0484-2.5KG | 10102-17-7 | 2.5 kg |
0484-500G | 10102-17-7 | 500 g |
Sodium thiosulphate pentahydrate 99.5-100.5%, AnalaR NORMAPUR® ACS analytical reagent
Assay99.5 - 100.5 %
pH (25°C; 5 %)6.0 - 8.4
Insolubility in waterMax. 50 ppm
Total N (Nitrogen)Max. 20 ppm
Cl (Chloride)Max. 80 ppm
S (Sulphide)Max. 1 ppm
SO4 + SO3 (as SO4)Max. 0.1 %
Ca (Calcium)Max. 20 ppm
Cu (Copper)Max. 5 ppm
Fe (Iron)Max. 5 ppm
K (Potassium)Max. 50 ppm
Mg (Magnesium)Max. 10 ppm
Pb (Lead)Max. 5 ppm
Conforms to ACSPasses test
分子式: Na₂S₂O₃.5H₂O
分子量: 248,19 g/mol
溶点: 48 °C
密度: 1,67 g/cm³ (20 °C)
存储条件: ambient