Copper(II) tetrafluoroborate hexahydrate

*Appearance: blue crystal
*Cu(BF4)2.6H2O: 98%min
*H2O: 1.5%min
*HBF4 : 0.3%min
*H3BO4 : 0.05%min
*SO4 2- : 0.05%min
*Fe : 0.01%min
*Pb : 0.05%min