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硫酸镉

硫酸镉 [7790-84-3]

  • Cadmium Sulfate,8/3-Hydrate
  • CAS:7790-84-3      
  • 分子式:CDSO4·8/3H2O
  • 分子量:256.52
  • MDL:MFCD02253000
  • EINECS:233-331-6
  • 别名:
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产品货号商品名称规格包装售价(RMB)库存量数量操作备注
H1133872硫酸镉 [7790-84-3]AR100g95.00>10 CH
H1133870硫酸镉 [7790-84-3]GR100g110.00>10 CH
H1133866硫酸镉 [7790-84-3]ACS100g135.00>10 CH
H1133867硫酸镉 [7790-84-3]99.99% metals basis250g1280.00>10
H1133868硫酸镉 [7790-84-3]99.99% metals basis50g296.00>10
H1133869硫酸镉 [7790-84-3]99.99% metals basis10g79.00>10
化学性质质量标准危险性质用途及储存
化学性质
无色单斜结晶。无气味。加热到40度以上开始失水,到80度以上成为一水合物,但继续加热不会变灰无水物。易溶于水,几乎不溶于醇和乙酸乙酯和乙醚。密度: 3.09
质量标准
  

Q(HG)SJ 682-95
项目Item                                        分析纯    化学纯
                                                  (AR)      (CP)
含量(3CdSO4·8H2O)Assay,%                         ≥99.0       99.0
pH(50g/L溶液,25℃)                               ≤4.0        4.0
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,%                             ≤0.001      0.003
总氮量(N)Total nitrogen,%                         ≤0.002      0.006
铝(Al)Aluminum,%                                  ≤0.005      0.01
铁(Fe)Iron,%                                      ≤0.0002     0.0006
铜(Cu)Copper,%                                    ≤0.001      0.002
锌(Zn)Zinc,%                                      ≤0.002      0.005
砷(As)Arsenic,%                                   ≤0.00005    0.0001
铅(Pb)Lead,%                                      ≤0.1        0.02
硫化铵不沉淀物(以硫酸盐计)Substances not
precipitated by ammonium sulfide,%                ≤0.1        0.2

ACS级
项目名称Item                                       ACS Grade
含量Assay                                         79.5-81.0%
水不溶物 Insoluble matter                         ≤0.005%
硝酸盐及亚硝酸盐Nitrate and nitrite(as (NO3)      ≤0.003%
硫酸盐(SO4)Sulfate                                ≤0.005%
铵(NH4)Ammonium                                   ≤0.005%
钙(Ca)Calcium(Ca)                                 ≤0.005%
铜(Cu)Copper(Cu)                                  ≤5ppm
铅(Pb)Lead(Pb)                                    ≤0.005%
钾(K)Potassium(K)                                 ≤0.02%
钠(Na)Sodium(Na)                                  ≤0.05%
锌(Zn)Zinc(Zn)                                    ≤0.05%
铁(Fe)Iron(Fe)                                    ≤5ppm



99.99% metals basis:


外观Appearance                          白色结晶粉末或块状物
纯度Purity                              ≥99.99% Based On Trace Metals Analysis of ICP
镉Cd                                    ≥43.0 % (Complexometric EDTA)
ICP:                                    Confirms Cadmium Component Confirmed
痕量金属分析Trace Metal Analysis        ≤200ppm by ICP Atomic emission

  
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