Zinc carbonate basic

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Appearance:Amorphous powder
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PackAge:In polyethlene film bag with outer polypropylene woven bag. 25kg per bag.
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Basic zinc carbonate: Specifications Formula ZnCO3*2Zn(OH)2*H2O Amorphous powder, not smelly, tasteless. Insoluble in water, and 30% H2O2 …

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Basic zinc carbonate: Specifications Formula ZnCO3*2Zn(OH)2*H2O Amorphous powder, not smelly, tasteless. Insoluble in water, and 30% H2O2 role in the formation of oxide release CO2. Product properties: This product is white slight amorphous powder, not smelly, tasteless. Insoluble in water, and 30% H2O2 role in the formation of oxide release CO2. Items Index (percent) I II III Zn content (mini ) 57.5 57 56.5 Loss on ignition 25.0— 28.0 25.0--30.0 25.0--32.0 Heavy metal content (Pb) (maxi) 0.0005 0.001 0.005 Moisture( maxi) 2.5 3.5 5 SO 4 2 (maxi) 0.6 0.8 -- Sieve Residue (75microns mesh): (mini) 95 94 93

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