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Ammonium sulfate

10/10 fairsForeign Trade Company
Ammonium sulfate
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ammonium sulphate





Ammonium sulfate


Chemical formula: (NH4) 2SO4


Molecular weight: 132.14


CAS No.: 7783-20-2


Product introduction:

Colorless crystal or white particles. No smell. Decomposition above 280 ℃. Solubility in water: 70.6g at 0 ℃, 103.8g at 100 ℃. Insoluble in ethanol and acetone. The pH of 0.1mol/l aqueous solution is 5.5. The relative density is 1.77. The refractive index is 1.521. Low toxicity, LD50 (rat, oral) 3000mg / kg. It's irritating.


Product features:

The pure product is colorless, transparent, rhombic crystal system, and the aqueous solution is acid. Insoluble in alcohol, acetone and ammonia [2]. It is hygroscopic and consolidated into blocks after hygroscopic. When heated to above 513 ℃, it is completely decomposed into ammonia, nitrogen, sulfur dioxide and water. Ammonia gas will be released when acting with alkali. It reacts with barium chloride solution to form barium sulfate precipitation. It can also salt out proteins.


Purpose:

A fine nitrogen fertilizer (commonly known as fertilizer field powder) is suitable for general soil and crops. It can make the branches and leaves grow vigorously, improve the quality and yield of fruits, enhance the resistance of crops to disasters, and can be used as base fertilizer, top dressing and seed fertilizer. It can reacts with salt to produce ammonium chloride, react with aluminum sulfate to produce ammonium alum, and make refractories together with boric acid. The conductivity can be increased by adding electroplating solution. It is also the catalyst of food sauce color, the nitrogen source of yeast culture in the production of fresh yeast, the dye aid of acid dye, and the ash remover of leather. In addition, it is also used in beer brewing, chemical reagent and battery production, etc. Another important role is to mine rare earth. Using ammonium sulfate as raw material, the rare earth elements in the ore and soil are exchanged in the form of ion exchange, and then the leaching solution is collected to remove impurities, precipitate, press and burn to form rare earth raw ore. each ton of rare earth raw ore needs about 5 tons of ammonium sulfate.


Packaging and storage:

It should be placed indoors in a cool and dry place to avoid sun and rain.

About the supplier

WUHAN KANGZHENG SCIENCE AND TECHNOLOGY CO.,LTD

Main products: Miscellaneous inorganic chemicals,Inorganic bases u0026 metal oxides, hydroxides, and peroxides,Salts of inorganic acids u0026 salts of inorganic peroxoacids u0026 salts of oxometallic acids,Mineral acids u0026 inorganic oxygen compounds of non-metals

  • Exhibited at 10 of the last 10 Canton Fairs
  • Foreign Trade Company
  • Founded 2007
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  • Exhibited at 10 of the last 10 Canton Fairs
  • Foreign Trade Company
  • Founded 2007
Canton Fair booth: 1.1L19 · Chemical Products (140th session)

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