Sodium thiosulfate anhydrous

Molecular formulaNa2S2O3·5H2O

Molecular weight:248.18

CAS:10102-17-7

Executive standard:GB/T 637-2006

质检项目指标值
含量(Purity),%≥99.0
澄清度试验合格
碱度(以OH-计)/(mmol/100g)≤0.2
水不溶物,%≤0.015
钙(Ca),%≤0.007
铁(Fe),%≤0.004
砷(As),%≤0.002
硫酸盐及亚硫酸盐≤0.2
重金属(以Pb计),%≤0.002
硫化物(S),%≤0.0007




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