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Zinc nitrate
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Molecular formula: Zn(NO3)2•6H2O
Molecular weight: 290.81
CAS NO.:10196-18-6
· Physical and chemical properties:
Zinc nitrate hexahydrate is a white or colorless tetragonal crystal. Relative density 2.065, melting point 36.4 ° C, soluble in crystal water upon heating to 37 ° C At 100 ° C, it decomposes and loses three H2O molecules to form a trihydrate, which transforms into an anhydrous substance at 105-131 ° C. Zinc nitrate hexahydrate is easily soluble in water and ethanol, and the aqueous solution is acidic. Easily deliquescent.
· Use:
Used for galvanization and preparation of steel phosphating agent, printing and dyeing mordant, medical acidification catalyst, latex gel agent, catalyst, etc.
· Execution standards:(HG/T 3582-1999)
| Index | First Grade | Qualified products |
| [Zn(NO3)2•6H2O ],% ≥ | 98.0 | 98.0 |
| HNO3 | 0.03 | 0.04 |
| Fe,% ≤ | 0.01 | 0.02 |
| Pb ≤ | 0.05 | 0.3 |
| Cl,% ≤ | 0.02 | 0.1 |
| SO4,% ≤ | 0.05 | 0.2 |
| Water insoluble substances,% ≤ | 0.1 | 0.2 |
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