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HG/T3-1077-77 项目Item 分析纯 化学纯 含量[Mg(NO3)2•6H2O]Assay,% ≥99.0% 98.0% 水溶液反应Water solution reaction 合格 合格 澄清度试验Clarity 合格 合格 水不溶物Insoluble matter,% ≤0.005 0.01 氯化物(Cl)Chloride,% ≤0.0005 0.001 硫酸盐(SO4)Sulfate,% ≤0.005 0.02 磷酸盐(PO4)Phosphate,% ≤0.001 0.005 钙(Ca)Calcium,% ≤0.02 0.05 锰(Mn)Manganese,% ≤0.001 0.005 铁(Fe)Iron,% ≤0.0002 0.0005 砷(As)Arsenic,% ≤0.00005 0.0002 钡(Ba)Barium,% ≤0.003 0.005 重金属(以Pb计)Heavy metals,% ≤0.0005 0.002
ACS级 项目名称Item ACS Grade 含量[Mg(NO3)2•6H2O]Assay 99.0-102.0% 水不溶物Insoluble matter ≤0.005% pH(5%溶液,25.0℃)pH 5.0-8.2 硝酸盐(NO3)Nitrate ≤0.001% 磷酸盐(PO4)Phosphate ≤5ppm 硫酸盐(SO4)Sulfate ≤0.002% 铵(NH4)Ammonium ≤0.002% 钡(Ba)Barium(Ba) ≤0.005% 钙(Ca)Calcium(Ca) ≤0.01% 锰(Mn)Manganese(Mn) ≤5ppm 钾(K)Potassium(K) ≤0.005% 钠(Na)Sodium(Na) ≤0.005% 锶(Sr)Strontium(Sr) ≤0.005% 重金属(以Pb计)Heavy metals(as Pb) ≤5ppm 铁(Fe)Iron(Fe) ≤5ppm
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