- Pigment[219]
- Rare Earth & Products[4]
- Other Inorganic Chemicals[10]
- Ceramics[8]
- Oxide[10]
- Refractory[1]
- Paint & Coating[2]
- Carbonate[10]
- Feed Additives[10]
- Sulphate[6]
- Other Inorganic Salts[1]
- Contact Person : Mr. Geoff
- Company Name : China Changsha Zhonglong Chemical Co., Ltd.
- Tel : 0086-731-84427228
- Fax : 0086-731-84453877
- Address : Hunan,Changsha,No.766 Wuyi Road
- Country/Region : China
- Zip : 410000
Zinc sulfate monohydrate
Properties:
Molecular formula: ZnSO 4 . H 2 O Molecular weight : 179.56 or ZnSO 4 . 7H 2 O Molecular weight : 287.56 white or slight yellow crystal or powder . efflorescence to white powder . dehydrated in 280 , decompoed in 500 . relative density 1.975 . melting point 100 .
Standard: Company standard HHXPQB-SSX-2005
Technical index : % m/m
Item | medicine | feedstuff | plating | mineral separation | fertilizer | industry grade |
( ZnO) Main assay (ZnSO 4 . H 2 O)≥ (ZnSO 4 . 7H 2 O) | 22-23 97-99 | 22-23 97-99 | 22-23 97-99 | 21-22 94-96 | 21-22 94-96 | 19-20 92-94 |
PH 50g/l solution ≤ | 3.0 | 3.0 | 3.0 | 5.0 | 5.0 | |
chloride ( Cl ) ≤ | 0.2-0.6 | 0.2-0.6 | 0.2-0.6 | 0.6-1.0 | 0.6-1.0 | 1.0-1.5 |
Mn ≤ | 0.01-0.1 | 0.01-0.1 | 0.01-0.1 | 0.01-0.1 | 0.01-0.1 | 0.01-0.1 |
Arsenic As ≤ | 0.0005 | 0.0005 | ||||
Fe ≤ | 0.005 | 0.005 | 0.02-0.06 | 0.06-0.1 | 0.06-0.1 | 0.2-0.5 |
Pb ≤ | 0.001 | 0.001 | 0.01-0.05 | 0.01-0.05 | 0.01-0.05 | 0.1-0.5 |
Cd ≤ | 0.01-0.05 | 0.01-0.05 | 0.01-0.05 | 0.1-0.5 | ||
Cu ≤ | 0.002-0.005 | 0.002-0.005 | 0.01-0.02 | 0.01-0.02 | 0.01-0.02 | 0.1-0.5 |
Zinc sulfate monohydrate
