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Mudanjiang Fengda chemical import and Export Co., Ltd
Oxalic Acid,Formic Acid,Sodium Formate,Calcium formate,Sodium,
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Molecular Formula : ZnSO4.7H2O, ZnSO4.H2O Property : White or faint yellow crystal or powder. Specification of ZnSO4 · 7H2O
Item | Specification |
Zn | 21% Min |
Pb | 20ppm Max |
As | 5 ppm Max |
Cd | 20 ppm Max |
Water insoluble matter | 0.05% Max |
Usage : It is used in producing crypton or as medicament for choosing mine. Besides, it is used in medicament, chemical, chemical fibre, metallurgy, plating and circulating cooling treatment of water etc. Specification of ZnSO4 · H2O
Item | Specification |
Zn | 35% Min |
Pb | 10ppm Max |
As | 5 ppm Max |
Cd | 10 ppm Max |
Water insoluble matter | 0.005% Max |
Usage : It is used as raw material for production of lithopone. It is also used in synthetic fiber industry, zinc plating, pesticides. It is mainly used in trace element fertilizer and feed additive, etc. Packing : Net each in 25kg plastic woven bag, lined with PE bag. 
