High-purityClass,CopperSulfatePentahydrate(asCu-10)  High-purityClass,CopperSulfatePentahydrate(asCu-10)Specifications (CuSO4·5H2O)≥ 99% (Cu)≥ 25.2% (Fe)≤ 10ppm (Zn)≤ 10ppm (Pb)≤ 10ppm (Cl)≤ 10ppm (Co)≤ 5 ppm (Ca)≤ 5 ppm (As)≤ 5 ppm (Ni)≤ 5 ppm (Cd)≤ 3 ppm (Water-insolublesubstances)≤ 50ppm (pHvalue,5%solutionat25℃)3.5~4.5 Applications:Electronicdevices,ElectrolessCopperDeposition,PCB/FPC,Interfinishetc. Package:25KG/BAG Storageinstruction:Avoidheatanddirectsunlight.Storeinacool,drylocation.