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Q/(HG)SJ 694-95 项目Item 分析纯 化学纯 (AR) (CP) 含量(NH4I)Assay,% ≥99.0 98.0 水溶液反应Solution reaction 合格 合格 澄清度试验Clarity合格合格 水不溶物Insoluble matter in water,% ≤0.005 0.01 灼烧残渣(以硫酸盐计)Ignition residue,% ≤0.005 0.02 氯化物(Cl)Chloride,% ≤0.01 0.02 碘酸盐及碘(以IO3计)Iodate and ioldide,% ≤0.003 0.01 铁(Fe)Iron,% ≤0.0001 0.0003
项目名称Item ACS Grade 含量Assay ≥99.0% 不溶物Insoluble matter ≤0.005% 灼烧残渣Residue after ignition ≤0.05% 氯化物和溴化物(以Cl计)Chloride and Bromide(as Cl) ≤0.005% 磷酸盐(PO4)Phosphate ≤0.001% 硫酸盐(SO4)Sulfate ≤0.05% 钡(Ba)Barium(Ba) ≤0.002% 重金属(以Pb计)Heavy metals(as Pb) ≤0.001% 铁(Fe)Iron(Fe) ≤5ppm
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