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产品名称/Product Name | 工业硫代硫酸钠/industrial sodium hyposulfite |
质量标准/Quality Standard | HG/T2328-92 |
CAS编号/CAS NO. | 7772-98-7 |
外观/Appearance | 无色透明单斜晶体/Colorless monoclinic crystal |
含量/Purity | ≥98% |
水不容物含量/Lnsoluble impurities content in water | ≤1% |
铁含量/Iron content | ≤0.03% |
硫化物/Sulfide | ≤0.003% |
PH值（200g/L溶液）/PH（200g/Lsolution） | 6.5~9.5 |
