Zinc Carbonate Basic 500g CAS 5263-02-5
65458-500g
Specification 65458 Zinc Carbonate basic Formula [ZnCO3]2.[Zn(OH)2]3 mwt 549.02 Expiry 6 years CAS 5263-02-5 Assay zinc element . . . 47% min Cl . . . . 0.05% max SO4 . . . . 0.5% max As . . . . 0.0005% max Pb . . . . 0.002% max Ca . . . . 0.5% max Fe . . . . 0.02% max Residue on ignition . . . . 70-74%
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