ZGD860 macroporous azylphosphonate chelate resin

The “Zheng Guang” brand D840 resin is a sort of chelate resin which has weakly acidic azylphosphonate (-CH₂NHCH₂PO₃-) in the cinnamene styrene and diethenoid benzene copolymer with special macroporous structure. This product can fix and chelated one or several kinds certain cation in a great range even in the solution with high content. It is used mainly to separate and recover the precious metals ion, especially for the secondary refining of salt brine when using the penetrating of calcium and magnesium ion as the controlling standard in the process of ion membrane alkaline producing.