ZINC CARBONATE,BASIC Formular: ZnCO3.2Zn(OH)2.H2O CAS Number:5970-47-8 FW:549.01 Appearance:White powder ZINC CARBONATE,BASIC

Formular: ZnCO3·2Zn(OH)2·H2O Appearance:White powderUses:Catalyst for desulphurization,production auxiliary for emulsion and also in paint ,medicine and chemical engineering

Items	Indexes
	Speccial grade	Grade one	Up to standard
Contents of Zn/%	≥57.5	≥57.0	≥56.5
Burn loss %	25.0-28.0	25.0-30.0	25.0-32.0
Contents of heavvy metal (Pb)/%	≤0.04	≤0.05	≤0.05
Moisture contents %	≤2.5	≤3.5	≤5.0
Contents of sulphate(SO4)/ %	≤0.60	≤0.80
Particle size75μm /%	≥95.0	≥94.0	≥93.0
Contents of cadmium/%	0.10

ZINC CARBONATE,BASIC ZnCO3.2Zn(OH)2.2H2O, CAS Number:5970-47-8