Zinc Sulfate Suppliers, Zinc Sulfate Manufacturers.
【Use】For the production of artificial fiber, mordant for dyeing and printing, preservative for wood and leather, clarifying agent and preservative for bone glue, It can be used in production of ferrite, agricultural zinc powder and pesticide, cable, electroplating, chemical reagent, it can also be used in the production of lithopone and other zinc salts.
【Quality Standard】HG/T2326-92
Item | Index | |||
ZnSO4·7H2O | ||||
Superior | First Class | Qualified | ||
Main content / % ≥ | In Zn | 22.51 | 22.26 | 20.92 |
In ZnSO4·7H2O | 99.0 | 97.0 | 92.0 | |
Content of Insoluble Matter/ % ≤ | 0.020 | 0.050 | 0.10 | |
PH value[50g/l solution] ≥ | 3.0 | 3.0 | ~ | |
Content of chloride [In Ci] / % ≤ | 0.20 | 0.60 | ~ | |
Lead [In Pb] / % ≤ | 0.002 | 0.010 | 0.010 | |
Iron [In Fe] / % ≤ | 0.005 | 0.020 | 0.060 | |
Manganese [In Mn] / % ≤ | 0.01 | 0.10 | ~ | |
Cadmium [In Cd] / % ≤ | 0.002 | 0.010 | ~ | |
Copper [In Cu] / % ≤ | 0.002 | ~ | ~ | |
【Physicochemical Properties】 Molecular formula ZnSO4·7H2O, molecular weight: 287.54, easily soluble in water, insoluble in ethyl alcohol, the aqueous solution presents acid, PH is about 4.5, melting point is 39°C, relative density is 1.957, the product is white or yellowish heterotropic crystal.
Company： |
DaHua Chemical Co.Ltd |
Contact： |
liu Xiaolin |
Phone： |
+86-13975465905 |
Mobile phone： |
+86-13975465905 |
Fax： |
+86-734-7518478 |
E-mail： |
 Contact Supplier |
Website：
|
http://www.dahua-chem.com |
Address： |
Hunan Province, Changning City Songbai Town |
Zip Code： |
421513 |
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