NILE CHEMICALS

CUPRIC  OXIDE  POWDER

SPECIFICATION

CuO      M.W.  79.55  
Minimum assay ( by iodometry  ) 99%
Maximum Limits of Impurities :  
Substances insoluble in nitric acid 0.02%
Free alkali passes test
Chloride ( CI ) 0.005%
Total sulphur ( as SO4 ) 0.01%
Total nitrogen ( N ) 0.002%
Lead ( Pb ) 0.05%
Iron ( Fe ) 0.05%
Substances not precipitated  
 by H2S ( as sulphate ) 0.2%
( Suitable for elementary analysis )  
   

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