质量标准: | 硝酸银,7761-88-8,Silver nitrate GB/T 670-86 项目Item 优级纯 分析纯 化学纯 (GR) (AR) (CP) 含量(AgNO3)Assay,% ≥99.8 99.8 99.5 外观Appearance 合格 合格 合格 水溶液反应Solution reaction 合格 合格 合格 水不溶物Insoluble matter in water,% ≤0.003 0.005 0.005 氯化物(Cl)Chloride,% ≤0.0005 0.001 0.003 硫酸盐(SO4)Sulfate,% ≤0.002 0.004 0.006 锰(Mn)Manganese,% ≤0.0005 -- -- 铁(Fe)Iron,% ≤0.0002 0.0004 0.0007 镍(Ni)Nickel,% ≤0.0005 -- -- 铜(Cu)Copper,% ≤0.0005 0.001 0.002 锌(Zn)Zinc,% ≤0.0001 -- -- 镉(Cd)Cadmium,% ≤0.0001 -- -- (T1)Thallium,% ≤0.001 -- -- 铅(Pb)Lead,% ≤0.0005 0.001 0.002 盐酸不沉淀物Substances not precipitated by hydrochloric acid,% ≤0.005 0.02 0.03 ACS级 项目名称 Item Sign ACS Grade 含量............Assay...............................≥.........99.0% 澄清度..........Claroty of solution............................Passes test 氯化物(Cl)......Chloride(Cl)........................≤.........5ppm 游漓酸..........Free acid......................................Passes test 盐酸不沉淀物....Substances not precipitated by hydrochloric acid...≤.........0.1% 硫酸盐(SO4).....Sulfate(SO4)........................≤.........0.002% 铜(Cu)..........Copper(Cu)..........................≤.........2ppm 铁(Fe)..........Iron(Fe)............................≤.........2ppm 铅(Pb)..........Lead(Pb)............................≤.........0.001% |