ZINC (metal) DUST Extra Pure 100gm

(325 mesh) Zn M.W. 65.37 Assay(complexometric, total Zn) min 95.0% Substances insoluble in dilute HNO3max 0.5% Cadmium(Cd) max 0.2% Iron(Fe) max 0.01% Copper(Cu) max 0.005% Tin(Sn) max 0.01%