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Ammonium molybdate tetrahydrate
Time£º2018-12-13 17:02:58¡¡Page view£º818

Ammonium molybdate tetrahydrate is a chemical substance,
Chinese name: Ammonium Molybdate Tetrahydrate
Chinese alias: ammonium molybdate tetrahydrate; ammonium heptamolybdate tetrahydrate; ammonium molybdate trihydrate; ammonium molybdate
English name: Ammonium molybdate tetrahydrate
CAS: 12054-85-2
EINECS: 234-320-9
Molecular formula: H32Mo7N6O28
Molecular weight: 1235.8575
Content: 99%
Melting point: 190 ¡ã C
Solubility: 400 g / L (20 ¡æ)
Its appearance is colorless or pale yellow-green monoclinic crystal. The relative density is 2.498. Soluble in water, acid and alkali, insoluble in alcohol.
When it is heated to 90 ¡ã C, it loses one crystal water. At 190 ¡ã C, it decomposes into ammonia, water and molybdenum trioxide. It is weathered in the air and loses a part of ammonia.
This product is mainly used as a catalyst in the petroleum industry. It is used to make molybdenum in the metallurgical industry. It is a raw material for the manufacture of ceramic glazes, pigments and other molybdenum compounds. In addition, it can be used to prepare molybdenum oxide.
It is an additive flame retardant with dual functions of flame retardant and smoke suppression. Compounding with other flame retardants can reduce costs, improve flame resistance, and reduce smoke generation. Molybdenum trioxide also has the dual effects of flame retardant and smoke suppression, and it shows a certain synergistic effect with aluminum hydroxide trihydrate and antimony oxide.
Photometric or thin layer chromatography for the determination of phosphates, phosphites, arsenates and penicillins. Also used in the photography industry, pottery glaze.
Used to prepare four-in-one surface treatment agent for degreasing, derusting, phosphating and passivation for steel bonding. It is also used as a raw material for petroleum dehydrogenation and desulfurization catalysts. It can also be used to make molybdenum fertilizer in metal molybdenum, pigment and agricultural trace element fertilizer.
Ammonium molybdate is used as a black passivation solution for galvanized layer, used as a stabilizer in electroless nickel plating, and also used as an oxidizing agent for steel phosphating solution.
Packaging: according to actual needs

 
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