CUPRIC OXIDE, CAS NO 1317-38-0, Nile Chemicals

Cas no.	1317-38-0
Code no.	31199
CuO	M.W. 79.55
Minimum assay ( by iodometry )	99%
Maximum Limits of Impurities.
Substances insoluble	0.02%
in nitric acid	passes test
Free alkali	0.005%
Chloride ( CI )	0.01%
Total sulphur ( as SO₄)	0.01%
Total nitrogen ( N )	0.002%
Lead ( Pb )	0.05%
Iron ( Fe )	0.05%
Substances not precipitated
by H₂ S ( as sulphate )	0.02%
( Suitable for elementary analysis )