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Zinc sulfate heptahydrate
分析纯 AR,≥99.5%
  • Brand
    Codow
  • Product No.
    CD100167
  • CAS No.
    7446-20-0
  • Standard
    GB/T 666-2011
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This product can be used for titration analysis, qualitative and quantitative analysis, etc. It should be stored in a cool, ventilated place, sealed, and used within its expiration date. To obtain the product's Certificate of Analysis (COA), please visit www.howeipharm.com to view and download it.

  • Standard : GB/T 666-2011 化学试剂 七水合硫酸锌(硫酸锌)

  • Product No. : CD100167

  • Product Name : Zinc sulfate heptahydrate

  • Product Spec. : 分析纯 AR,≥99.5%

  • Packges : 500g

  • CAS号 : 7446-20-0

  • 分子式 : ZnSO4 · 7H2O

  • 分子量 : 287.56

  • 酶学委员会编号 : 231-793-3

  • MDL编号 : MFCD00149894

  • 颜色外观 Color Appearance : 白色结晶 White crystal

  • 含量 Assay(ZnSO4·7H2O) : ≥99.5%

  • pH 值 pH value(50g/Lsolution),25℃ : 4.4~6.0

  • 澄清度试验 Clarity of solution : 合格 Pass

  • 水中不溶物 Insoluble matter in water : ≤0.01%

  • 氯化物 Chloride(Cl) : ≤0.0005%

  • 总氮 Total nitrogen(N) : ≤0.001%

  • 砷 Arsenic(As) : ≤0.00005%

  • 钠 Sodiun(Na) : ≤0.05%

  • 镁 Magnesium(Mg) : ≤0.005%

  • 钾 kalium(K) : ≤0.01%

  • 钙 Calcium(Ca) : ≤0.005%

  • 锰 Manganese(Mn) : ≤0.0003%

  • 铁 Iron(Fe) : ≤0.0005%

  • 铜 Copper(Cu) : ≤0.001%

  • 镉 Cadmium(Cd) : ≤0.0005%

  • 铅 Lead(Pb) : ≤0.001%

  • 熔点 Melting range, ℃ : 100 ℃

  • Shelf Life : 730 Days

  • COA : Have COA

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