1.copper sulphate
2.CuSO4.5H2O:96% -99% min.
3.apperance:small blue and clean crystal,odorless.
used in plating leather

Cu-10 Top Grade				INDEX
Content of copper sulfate (base on CuSO4.5H2O), %			≥	99.0
Content of copper (Cu), %			≥	25.20
Content of arsenic (As), %			≤	0.0005
Content of plumbum (Pb), %			≤	0.0010
Content of calcium (Ca),%			≤	0.0005
Content of chloride(base on C1),%			≤	0.0010
Content of cadmium(Cd), %			≤	0.0003
Content of ferrum(Fe), %			≤	0.0010
Content of cobalt(Co), %			≤	0.0005
Content of nickel(Ni),%			≤	0.0005
Content of zinc(Zn),%			≤	0.0010
Content of hydragyrum(Hg), %			≤	0.0005
Content of chromium(Cr), %			≤	0.0010
Content of Polybromobiphenyls(PPB), %			≤	0.0010
Content of Polybromodiphenyls ethers(PBDE)			≤	0.0010
Content of insoluble substance, %			≤	0.0050
PH value (5%, 20°C)			≤	3.5-4.5