中文名称: |
乙酸镉 |
英文名称: |
Cadmium acetate dihydrate |
CAS号: |
5743-04-4 |
级别: |
AR |
CAS号: 5743-04-4
分子式: C4H6CdO4.2H2O
分子量: 266.53
别名: 醋酸镉
无色结晶。微有乙酸气味。易溶于水,能溶于醇。在130度时成无水物。
密度:2.341
熔点:256℃
Q/(HG)SJ 741-1997
项目Item 分析纯 化学纯
(AR) (CP)
含量(C4H6O4Cd·2H2O)Assay,% ≥ 99.5 98.0
pH(50g/L溶液,25℃) 5.0 5.0
澄清度试验Clarity 合格 合格
水不溶物Insoluble matter in water,% ≤ 0.003 0.005
氯化物(Cl)Chloride,% ≤ 0.002 0.005
硫酸盐(SO4)Sulfate,% ≤ 0.005 0.01
总氮量(N)Total nitrogen,% ≤ 0.002 0.004
铝(Al)Aluminum,% ≤ 0.005 0.01
铁(Fe)Iron,% ≤ 0.0005 0.001
铜(Cu)Copper,% ≤ 0.0005 0.001
锌(Zn)Zinc,% ≤ 0.002 0.005
铅(Pb)Lead,% ≤ 0.003 0.006
硫化铵不沉淀物(以硫酸盐计)Substances not
precipitated by ammonium sulfide,% ≤ 0.05 0.20
99.99% metals basis:
外观Appearance white crystal
X-射线衍射分析X-Ray Diffraction Conforms to Structure
纯度Purity ≥99.99% Based on Trace Metals Impurities
ICP Major Analysis Confirms Cadmium component
总痕量金属杂质total metallic impurities ≤100ppm by ICP Atomic emission
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