1. Molecular Formula: ZnSO4· H2O
2. CAS No.: 7446-19-7
3. ENECS NO.: 231-793-3
4. HS Code: 28332930
5. Appearance: white fluid powder or granular
6. Grade: Agriculture /Industry/ Feed grade
Specification :
Item |
Index |
||
Appearance |
White fluid powder or granular |
||
Test Standard |
HG 2324-2000 |
||
Main Assay |
Top-grade |
First grade |
Qualified |
Mass fraction (based on Zn),% ≥ |
35.5 |
35.5 |
35.0 |
Mass fraction (based on ZnSO 4 .H 2 O ),% ≥ |
98.0 |
97.0 |
95.0 |
Mass fraction of insoluble matter,% ≤ |
0.020 |
0.050 |
0.10 |
pH ( 50g/L Solution ) ≥ |
4.0 |
4.0 |
4.0 |
Mass fraction of chloride,% ≤ |
0.20 |
0.60 |
0.60 |
Mass fraction of Pb, % ≤ |
0.002 |
0.010 |
0.010 |
Mass fraction of Fe,% ≤ |
0.003 |
0.020 |
0.060 |
Mass fraction of Mn,% ≤ |
0.005 |
0.10 |
0.05 |
Mass fraction of Cd,% ≤ |
0.002 |
0.010 |
0.01 |
Mass fraction of Cu,% ≤ |
0.001 |
- |
- |
Packing: (plastic lined, plastic woven bags)
*25kg/bag, 50kg/bag, 1000kg/bag
* according to client request
*20-25tons/20'FCL
Usage: zinc sulfate monohydrate has been widely used in feed additives, chemical industry, national defense, fertilizer, mineral processing, pharmaceutical, rubber, electronics, printing and dyeing agents, bone glue clarify agent and protestants, electroplating, prevent the fruit trees and plant diseases and insect pests in circulating cooling water treatment, viscose fiber and nylon fibers, etc