1.COLOR:BLUE CRYSTAL OR POWDER 2.CuSO4.5H2O:98.5% Min,Cu:25.06% min, Pb:10ppm max, As:4ppm max 3.TOP QUALITY LOWEST PRICE NAME :COPPER SULPHATE Heptahydrate CuSO4.5H2OFEED GRADE COPPER SULPHATE, Cu≥25.06%, Pb≤0.0010%, As≤0.0004%CAPACITY:1000 TONS PER MONTHQUALITY STANDARD(%) NAME INDEXCuSO4.5H2O≥ 98.5 Cu ≥ 25.06 Pb ≤ 0.001 As ≤ 0.0004 WATER INSOLUBLE CONTENT ≤ 0.2 Function:first, Poultry, animal ...