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HG/T2629-94 项目ltem 分析纯 化学纯 (AR) (CP) 含量[Ba(OH)2•8H2O],% ≥98.0 97.0 碳酸钡(BaCO3)Barium carbonate,% ≤1.0 2.0 澄清度试验Clarity 合格 合格 盐酸不溶物lnsoluble in hydrochl-oric acid,% ≤0.005 0.05 氯化物(CI)Chloride,% ≤0.003 0.02 硫化物(S)Sulfile,% ≤0.0002 0.001 钙(Ca)Calcium,% ≤0.02 0.05 铁(Fe)Iron,% ≤0.001 0.005 锶(Sr)Strontiun,% ≤0.08 0.15 铅(Pb)Lead,% ≤0.001 0.002 硫酸不沉淀物Substances not prici- pitatd by sulfuric acid,% ≤0.02 0.05
ACS级 项目名称Item ACS Grade 含量Assay ≥98% 碳酸盐(以BaCO3计)Carbonate ≤2.0% 稀盐酸不溶物Insoluble in dilute hydrochloric acid ≤0.01% 氯化物(Cl)Chloride(Cl) ≤0.001% 硫化物(以S计)Sulfide(S) Passes test 钙(Ca)Calcium(Ca) ≤0.05% 钾(K)Potassium(K) ≤0.01% 钠(Na)Sodium(Na) ≤0.01% 锶(Sr)Strontium(Sr) ≤0.8% 重金属(以Pb计)Heavy metals(as Pb) ≤5ppm 铁(Fe)Iron(Fe) ≤0.001%
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