Product Description
ZnSo4.7H2O
Appearance: White or light-yellow crystals
Applications:
Appearance: White or light-yellow crystals
Applications:
Mainly used in synthietic fiber industry, material of printing and dyeing, preservative. And be used in madical for fungicide and emetic, and can be used in electroplate, water purification. And also used in feed additive and trace element fertilizer industry etc.
1) Tech grade
Specification:
Zn: 21-22%
Pb: 0.01-0.001%
CD: 0.002-0.003%
As: 0.002-0.005%
Fe: 0.001-0.005%
2) Feed grade
Specification:
Zn: 21-22%
Pb: 0.001%max
CD: 0.002%max
As: 0.0005%max
3) Agricultural grade
Specification:
Zn: 21-22%
Free acid: 0.2%max
Pb: 0.001%max
CD: 0.002%max
As: 0.002%max
1) Tech grade
Specification:
Zn: 21-22%
Pb: 0.01-0.001%
CD: 0.002-0.003%
As: 0.002-0.005%
Fe: 0.001-0.005%
2) Feed grade
Specification:
Zn: 21-22%
Pb: 0.001%max
CD: 0.002%max
As: 0.0005%max
3) Agricultural grade
Specification:
Zn: 21-22%
Free acid: 0.2%max
Pb: 0.001%max
CD: 0.002%max
As: 0.002%max

