CAS No.: | 7733-02-0 |
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Formula: | Znso4 |
EINECS: | 231-793-3 |
Certification: | ISO9001, ISO |
Application: | Vegetables, Crops |
Appearance: | Powder |
Samples: |
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Zinc sulfate monohydrate has been widely used in feed additives, chemical industry, national defense, fertilizer, mineral processing, pharmacy, rubber, electronics, printing and dyeing agents, bone glue clarifier and protective agent, electroplating, prevention of fruit tree diseases and insect pests and treatment of circulating cooling water, viscose fiber and nylon fiber. It is the raw material for making zinc salt and lithopone.
1. Used for cable galvanizing and electrolytic pure zinc in electrolysis industry.
2. Used in wood and leather preservative and man-made fiber industry.
3. Used as a nutritional supplement (zinc fortifier) in the food industry.
Index | Specification | GB25579-2010 | FCC,1996 | ||
content w/% | ZnSO4.H2O | Content | ZnSO4.H2O | 99.0 | 99.0 |
ZnSO4.7H2O | ZnSO4.7H2O | 99.0 | 99.0 | ||
(As), mg/kg ≤ | As | 0.0003 | -- | ||
alkali metal w/% ≤ | Alkali metal | 0.50 | 0.5 | ||
acidity | PH | pass test | normal | ||
(Se), mg/kg ≤ | Se | 0.003 | 0.003 | ||
(Hg), mg/kg ≤ | Hg | 0.0001 | 0.0005 | ||
(Pb), mg/kg ≤ | Pb | 0.0004 | 0.001 | ||
(Cd), mg/kg ≤ | Cd | 0.0002 | 0.0005 |
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