Basic Zinc Carbonate

Basic Zinc Carbonate Molecular Formula: ZnCO3.2Zn(OH)2.H2O Molecular Weight: 549.11 CAS: 12122-17-7;5970-47-8 EINECS: 235-179-6 Appearance: White amorphous powder Properties: Fine white amorphous powder, odorless, tasteless. Proportion of 4.42-4.45, insoluble in water and alcohol, slightly soluble in ammonia, can dissolve in acid and sodium oxide. Application: Light used canonical signed and latex products raw materials, preparation of calamine, as skin protection agents, can also be used to produce artificial silk, oil, chemical fertilizer industry desulfurization agent, catalyst the main raw material. In rubber products, paints, pharmaceuticals and other chemical products can be widely used. Quality Index:  Item Index   Excellent First Class Qualified Main content (counted with znc on dry basic) 57.5 57 56.5 Firing amount 25.0-28.0 25.0-30.0 25.0-32.0 Heavy metals(counted with Pb) 0.04 0.05 0.05 Moisture 2.5 3.5 5.0 Sulfate(counted with SO4) 0.60 0.80   Finess(75um) 95.0 94.0 93.0 cadmium(Cd) 0.10    
Light used canonical signed and latex products raw materials, preparation of calamine, as skin protection agents, can also be used to produce artificial silk, oil, chemical fertilizer industry desulfurization agent, catalyst the main raw material. In rubb