·English  ·中文版
Home About Us Chemicals LED News Supply & Demand Services Support Recruitment Download Contact Us
AGRICULTURAL PRODUCTS
Inorganic chem
Organic chem
Agricultural products Home > Agricultural products > Inorganic chem
ZINC CARBONATE
Molecular ZnCO3•2Zn(OH)2•H2O
Uses:  Used as materials for light astringent and latex products. Used in preparing calamine lotion. Used as skin protectant. Also used in producing rayon and catalytic desulfurating agent.
Quality index:
Index name
Index
Top quality
First quality
Qualified product
Appearance
White powder
Main content (based on Zn, dry basis) %
≥ 57.5
≥ 57.0
≥ 56.5
Loss on ignition %
25.0-28.0
25.0-30.0
25.0-32.0
Heavy metal (based on Pb) %
≤ 0.04
≤ 0.05
≤ 0.05
Water content %
≤ 2.5
≤ 3.5
≤ 5.0
Sulphate (based on SO42-) %
≤ 0.60
≤ 0.80
-
Fineness (pass 75 μ m sieve) %
≥ 95.0
≥ 94.0
≥ 93.0
Cadmium (Cd) %
≤ 0.10
-
-
 
Copyright © Su Shan, Shenzhen Technology Co., Ltd. 粤ICP备09181984