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Zinc oxide ≥99.0%, AnalaR NORMAPUR® analytical reagent
 
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Zinc oxide ≥99.0%, AnalaR NORMAPUR® analytical reagent
 

 

  • Assay:
    Min. 99.0 %
  • Insolubility in diluted HCl:
    Max. 50 ppm
  • Not precipitated by (NH4)2S (as SO4):
    Max. 0.25 %
  • Substances reducing KMnO4 (as O):
    Max. 15 ppm
  • Cl (Chloride):
    Max. 10 ppm
  • NO3 (Nitrate):
    Max. 20 ppm
  • PO4 (Phosphate):
    Max. 20 ppm
  • SO4 (Sulphate):
    Max. 100 ppm
  • As (Arsenic):
    Max. 1 ppm
  • Cu (Copper):
    Max. 20 ppm
  • Fe (Iron):
    Max. 5 ppm
  • Mn (Manganese):
    Max. 10 ppm
  • Pb (Lead):
    Max. 50 ppm

 

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