lowest price/zinc sulphate 35%/monohydrate.H2O/heptahydrate.7H2O
Industrial zinc sulphate
Executive standard: HG/T2326-2005
Item | Index | |||||
(ZnSO4·H2O) | (ZnSO4·7H2O) | |||||
High-class | First-class | Quality | High-class | First-class | Quality | |
( calculating Zn ) Main content | 35.7 | 35.34 | 34.61 | 22.51 | 22.06 | 20.92 |
(calculating ZnSO4·7H2O ) ≥% | 98.0 | 97.0 | 95.0 | 99.0 | 97.0 | 92.0 |
Insoluable material content ≤% | 0.020 | 0.050 | 0.10 | 0.020 | 0.050 | 0.10 |
PH value ( 50g /L ) ≥% | 4.0 | 4.0 | —— | 3.0 | 3.0 | —— |
chloride ( calculating Cl ) content ≤% | 0.20 | 0.60 | —— | 0.20 | 0.60 | —— |
( Pb ) content ≤% | 0.002 | 0.007 | 0.010 | 0.002 | 0.010 | 0.010 |
( Fe ) content ≤% | 0.008 | 0.020 | 0.060 | 0.005 | 0.020 | 0.060 |
( Mn ) content ≤% | 0.01 | 0.03 | 0.05 | 0.01 | 0.10 | —— |
( Cd ) content ≤% | 0.002 | 0.007 | 0.010 | 0.002 | 0.010 | —— |
( Cu ) content ≤% | 0.001 | —— | —— | 0.002 | —— | —— |
Feed grade zinc sulphate
Executive standard: HG2934-2000
Index name | Index | |
(ZnSO4·H2O) | (ZnSO4·7H2O) | |
Zinc sulphate content= | 94.7 | 97.3 |
Zinc( Zn )content= | 34.5 | 22.0 |
Arsenic( As )content= | 0.0005 | 0.0005 |
Plumbum( Pb )content= | 0.002 | 0.001 |
Cadmium( Cd )content= | 0.003 | 0.002 |
Fineness passing 250pm test sieve= | 95 | ------- |
800pm test sieve passed= | ------- | 95 |
Agricultural zinc sulphate
Operative norm: HG3277-2000
Index name | Index | |||||
ZnSO4·H2O | ZnSO4·7H2O | |||||
high-class | first-class | quality | high-class | first | quality | |
( Zn ) content ≥% | 35.3 | 33.8 | 32.3 | 22.0 | 21.0 | 20.0 |
Freeacid content ≤% | 0.1 | 0.2 | 0.3 | 0.1 | 0.2 | 0.3 |
( Pb ) content ≤% | 0.002 | 0.010 | 0.015 | 0.002 | 0.005 | 0.01 |
( Cd ) content ≤% | 0.002 | 0.003 | 0.005 | 0.002 | 0.002 | 0.003 |
( As ) content ≤% | 0.002 | 0.005 | 0.010 | 0.002 | 0.005 | 0.007 |
- Step 1Find your interested products by search keywords
- Step 2Contact the supplier by clicking ”Enquire” or “request meeting” button, otherwise, you also could consult our import consultant.
- Step 3After verifying your email, get response from suppliers or our trade manager will contact you as soon as possible
- Step 4Set up meeting with the Chinese supplier without language barrier