Zinc oxide for compound fertilizer
Zinc oxide specially used for compound fertilizer has higher zinc content than zinc sulfate, zinc chloride and other zinc supplement fertilizers. It has good zinc supplement effect and is an effective nutrient supplement for zinc.
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Zinc oxide for compound fertilizer
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Product Description
Characteristics and functions
Zinc oxide specially used for compound fertilizer has higher zinc content than zinc sulfate, zinc chloride and other zinc supplement fertilizers. It has good zinc supplement effect and is an effective nutrient supplement for zinc.
As an activator of enzymes, zinc in zinc oxide contributes to photosynthesis through its extensive influence on carbon and nitrogen metabolism of plants.
It has strong stability, enhances the stress resistance of plants, improves the grain weight, and changes the ratio of seed to stem.
Product executive standard GB/T3185-2016
| Project | Indicators | ||
| Product model | Type I | Type Ⅱ | Type Ⅲ |
| Appearance | White powder | ||
| Zinc oxide content (in dry products) %≥ | 99.7 | 99.7 | 99.5 |
| Metal content (in dry products) %≤ | None | None | 0.008 |
| Hydrochloric acid insoluble matter %≤ | 0.006 | 0.008 | 0.03 |
| Ignition reduction %≤ | 0.2 | 0.2 | 0.25 |
| Screen residue (45um) %≤ | 0.1 | 0.15 | 0.2 |
| Water soluble matter %≤ | 0.1 | 0.1 | 0.15 |
| 105℃ volatiles %≤ | 0.3 | 0.4 | 0.5 |
| Pb content %≤ | 0.008 | 0.05 | 0.1 |
| Cu content %≤ | 0.0002 | 0.0004 | 0.0007 |
| Mn content %≤ | 0.0001 | 0.0001 | 0.0003 |
| Cd content %≤ | 0.002 | 0.005 | 0.01 |
| Fe content %≤ | 0.005 | 0.01 | - |
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