碘化镉

碘化镉 
质量标准
AR

项目Item                                                 分析纯  化学纯
                                                                （AR）    （CP）
含量（CdI2）Assay,%                        ≥ 99.5      99.0
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
pH(50g/L溶液，25℃)                              5-6            5-6
澄清度试验Clarity                      &n