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邻苯二甲酸氢钾,基准试剂

  • 价格:¥288
  • 编号:CFEQ-4-120162-0025
规格:
  • 25g(随货附coa)
基本信息 详细信息 相关产品
邻苯二甲酸氢钾,基准试剂基本信息
分子式
其他事项 4.120162Potassium Hydrogen Phthalate, primary standard ACS-ISOC8H5KO4 M.=204.22CAS No. 877-24-7Assay (Acidim.) 99.95 ~ 100.05%pH (0.05 mol/l in H2O, at 25± 0.2℃) 4.00 ~ 4.02Insoluble matter in H2O ≤ 0.003%Cl compounds (as Cl) ≤ 0.003%Nitrogen compounds (as N) ≤ 0.001%Sulphur compounds (as S) ≤ 0.002%Chloride (Cl) ≤ 0.002%Heavy metals (as Pb) ≤ 0.0005%Ca ≤ 0.001% Mg ≤ 0.001%Cd ≤ 0.0005% Mn ≤ 0.0005%Co ≤ 0.0005% Na ≤ 0.005%Cr ≤ 0.001% Ni ≤ 0.0005%Cu ≤ 0.0005% Pb ≤ 0.0005%Fe ≤ 0.0005% Zn ≤ 0.0005%
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