• 硫酸镉 [7790-84-3]

  • 英文名:Cadmium Sulfate,8/3-Hydrate
  • CAS号:7790-84-3 分子式:CDSO4·8/3H2O 分子量:256.52
  •  订货编号
  •  商品名称
  •  规格
  •  包装
  •  单价
  •  促销价
  •  会员价
  •  数量
  •  103466-100g
  •  硫酸镉 [7790-84-3]
  •  ACS
  •  100g
  •  135.00
  •   135.00
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  •  103467-250g
  •  硫酸镉 [7790-84-3]
  •  99.99% metals basis
  •  250g
  •  1280.00
  •   1280.00
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  •  103468-50g
  •  硫酸镉 [7790-84-3]
  •  99.99% metals basis
  •  50g
  •  296.00
  •   296.00
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  •  103469-10g
  •  硫酸镉 [7790-84-3]
  •  99.99% metals basis
  •  10g
  •  79.00
  •   79.00
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  •  103460-100g
  •  硫酸镉 [7790-84-3]
  •  GR
  •  100g
  •  110.00
  •   110.00
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  •  103462-100g
  •  硫酸镉 [7790-84-3]
  •  AR
  •  100g
  •  95.00
  •   95.00
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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

  

危险性质

  

用途及存储

镉、铜、镍的电解淀积,制造标准镉元素,马许氏试砷法的触媒,测定硫化氢,检定反丁烯二酸,电镀镉。

  密封干燥保存。