亚硫酸钠, anhydrous 95,0-100,5 Ph. Eur.

供应商: VWR Chemicals

VWRC28125.294EA 362.98 CNY
VWRC28125.294 VWRC28125.363 VWRC28125.465
亚硫酸钠, anhydrous 95,0-100,5 Ph. Eur.
亚硫酸钠
分子式: Na₂SO₃
分子量: 126.04 g/mol
溶点: > 500 °C
密度: 2.63 g/cm³ (20 °C)
存储条件: Ambient
MDL编号: MFCD00003503
CAS号: 7757-83-7
EINECS: 231-821-4
REACH: 01-2119537420-49
Merck Index: 13,08757

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产品技术规格

Assay (at filling) 95.0 - 100.5 %
Appearance White/almost white powder
Identification A Passes test
Identification B Passes test
Identification C Passes test
Solution S1 Passes test
Appearance of solution Passes test
S2O3 (Thiosulphate) Max. 0.1 %
Fe (Iron) Max. 10 ppm
Se (Selenium) Max. 10 ppm
Zn (Zinc) Max. 25 ppm
Heavy metals (as Pb) Max. 10 ppm
Residual solvents Passes test


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