| 项目Item 分析纯 化学纯 (AR) (CP) 含量(CdI2)Assay,% ≥ 99.5 99.0 pH(50g/L溶液,25℃) 5-6 5-6 澄清度试验Clarity 合格 合格 水不溶物Insoluble matter in water,% ≤ 0.005 0.01 氯化物及溴化物Chloride and bromide,% ≤ 0.01 0.01 硫酸盐(SO4)Sulfate,% ≤ 0.005 0.008 铁(Fe)Iron,% ≤ 0.001 0.002 锌(Zn)Zinc,% ≤ 0.005 0.02 铅(Pb)Lead,% ≤ 0.002 0.005 硫化铵不沉淀物(以硫酸盐计)Substances not precipitated by ammonium sulfide,% ≤ 0.01 0.25
99.999% metals basis:
外观Appearance 白色粉末 X-射线衍射分析X-Ray Diffraction Conforms to standard 纯度Purity ≥99.999% Based on Trace Metals Impurities of ICP ICP Assay Confirms Cadmium component 痕量金属分析Trace Metal Analysis ≤20ppm by ICP Atomic emission |