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Zinc phosphate NEW
Price | Get Latest Price | ||
Package | 1KG | 15KG | 25KG |
Min. Order: | 1KG |
Supply Ability: | 100tons |
Update Time: | 2024-08-15 |
Product Details
Product Name: Zinc phosphate | CAS No.: 7779-90-0 |
EC-No.: 231-944-3 | Min. Order: 1KG |
Purity: 0.99 | Supply Ability: 100tons |
Release date: 2024/08/15 |
About:
The natural mineral of zinc phosphate is called "paraphosphate zinc ore", there are two types of α-type and β-type. Its use: as phenolic, epoxy, alkyd and other coating base material, pigment, chlorinated rubber and organic polymer material flame retardant, as a chemical reagent, medicine used as a preservative, astringent and tooth cement.
Preparation:
Zinc phosphate is insoluble in water or ethanol, but soluble in dilute acid, ammonia and ammonium salt solutions. Zinc phosphate can be obtained by reacting a solution of phosphoric acid with zinc oxide, or by reacting trisodium phosphate with zinc sulfate.
Production method:
In the zinc oxide method, the diluted 15% phosphoric acid solution is added into the reactor, and the zinc oxide slurry with a concentration of about 20% is slowly added under agitation to produce zinc phosphate. The temperature is kept below 30℃, and the zinc phosphate dihydrate crystal seeds are added, heated to 80℃ under the condition of Ph 3, and then filtered, washed in hot water, crushed and dried at 90℃. The finished zinc phosphate dihydrate was prepared. The 2H3PO4+3ZnO→Zn3(PO4)22H2O+H2O complex decomposition method adds trisodium phosphate solution to the reactor, slowly adds zinc sulfate solution under stirring, and carries out the complex decomposition reaction at 70 ~ 80℃. After the complete reaction, it is filtered and rinsed with water to remove sulfate ions, and then crushed and dried at 120℃. The finished zinc phosphate dihydrate was prepared. It is 3ZnSO4+2Na3P04→Zn3(PO4)2+3Na2SO4
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- Since: 2020-05-25
- Address: Zhanggeji Village, Fengjiazhai Town, Guangzong County, Xingtai City, Hebei Province
17531190177