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无水碳酸钠(Reag. Ph. Eur.,ACS),99.5%

  • 价格：￥550
  • 编号：CFEQ-4-120002-1000
规格:
  • 1kg
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无水碳酸钠(Reag. Ph. Eur.,ACS),99.5%基本信息
分子式
其他事项 4.120002Sodium carbonate anhydrousReag. Ph. Eur., ACSNa2CO3 M.=105.99CAS No. 497-19-8Guarantee analysisAssay (acidimetric, after drying at 285℃) ≥ 99.5%Insoluble matter in H2O ≤ 0.005%Reducing substances of I2 ≤ 0.005%Loss on drying at 285℃ ≤ 1.0%Chloride (Cl) ≤ 0.001%Nitrogen compounds (as N) ≤ 0.001%Sulphur compounds (as SO4) ≤ 0.003%Phosphate (PO4) ≤ 0.001%Silicate (as SiO2) ≤ 0.005%Heavy metals (as Pb) ≤ 0.0005% Al ≤ 0.001% As ≤ 0.0001% Ca ≤ 0.005% Cu ≤ 0.0005%Fe ≤ 0.0005% K ≤ 0.005% Mg ≤ 0.002% Ni ≤ 0.0005%Pb ≤ 0.0005%
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