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项目Item 分析纯 化学纯 (AR) (CP) 含量(H3BO3)Assay,% ≥ 99.5 99.0 澄清度试验Clarity 合格 合格 水不溶物Insoluble matter in water ≤ 0.005 0.02 乙醇溶解度试验Solubility in ethanol 合格 合格 甲醇不挥发物(以硫酸计)Novolatile with methanol,% ≤ 0.05 0.3 氯化物(Cl)Chloride,% ≤ 0.0005 0.002 硫酸盐(SO4)Sulfate,% ≤ 0.002 0.01 磷酸盐(PO4)Phosphate,% ≤ 0.0005 0.003 钙(Ca)Calcium,% ≤ 0.002 0.01 铁(Fe)Iron,% ≤ 0.0005 0.002 砷(As)Arsenic,% ≤ 0.0001 0.0005 铅(Pb)Lead,% ≤ 0.001 0.003
项目 优级纯 (GR) 澄清度试验Clarity 合格 钙(Ca)Calcium ≤0.002% 含量Assay ≥99.8% 甲醇不挥发物Novolatile with methanol ≤0.05% 磷酸盐Phosphate ≤0.0005% 硫酸盐Sulfate ≤0.0005% 氯化物Chloride ≤0.0003% 镁magnesium ≤0.0005% 砷(As)Arsenic ≤0.00001% 水不溶物Insoluble matter in water ≤0.005% 铁(Fe)Iron ≤0.0001% 乙醇溶解试验Solubility in ethanol 合格 重金属Heavy metals ≤0.0005%
ACS级 项目名称Item ACS Grade 含量Assay ≥99.5% 不溶物Insoluble matter ≤0.005% 甲醇不挥发物Novolatile with methanol ≤0.05% 氯化物(Cl)Chloride(Cl) ≤0.001% 磷酸盐(PO4)Phosphate ≤0.001% 硫酸(SO4)Sulfate ≤0.01% 重金属(以Pb计)Heavy metals(as Pb) ≤0.001% 铁(Fe)Iron(Fe) ≤0.001% 钙(Ca)Calcium(Ca) ≤0.005%
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