ammonium sulfate

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Related to Ammonium sulphate: Ferrous Ammonium Sulphate

ammonium sulfate,

chemical compound, (NH4)2SO4, a colorless-to-gray, rhombohedral crystalline substance that occurs in nature as the mineral mascagnite. It is soluble in water and insoluble in alcohol or liquid ammonia. It is prepared commercially by passing ammoniaammonia,
chemical compound, NH3, colorless gas that is about one half as dense as air at ordinary temperatures and pressures. It has a characteristic pungent, penetrating odor.
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, obtained from destructive distillation of coal, into sulfuric acid and is used as a fertilizerfertilizer,
organic or inorganic material containing one or more of the nutrients—mainly nitrogen, phosphorus, and potassium, and other essential elements required for plant growth.
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, in preparing other ammonium compounds, and for fireproofing.

ammonium sulfate

[ə′mōn·yəm ′səl‚fāt]
(inorganic chemistry)
(NH4)2SO4 Colorless, rhombic crystals which melt at 140°C and are soluble in water.
References in periodicals archive ?
The Ammonium Sulphate industry development trends and marketing channels are analyzed.
Ammonium sulphate is an important component of NPK and
Subscribers to the Outlook will learn about: the growth of the caprolactam industry in China and its impact on ammonium sulphate production around the world; an exploration of alternative AS sources; major importers and exporters; freight costs and forecasts; price drivers, and value analysis.
Saudi Arabia's trade of Ammonium Sulphate in 2002-2009 is analyzed in the first chapter.
RESUME: THE WORLD TRADE OF AMMONIUM SULPHATE (2004-2009) 1.
Table 11: World Ammonium Sulphate Imports (2006): Percentage
The supernatant (whole extract) containing protein and having anti-mycobacterial activities was then fractionated using ammonium sulphate at saturated levels of 0-20%, 20-40%, 40-60%, and 60-80%, respectively.
The samples were then mixed with phenol ammonium sulphate basic fuchsin solution and stored at ambient conditions.
Ammonium sulphate fertilizer increases larval populations of Anopheles arabiensis and culicine mosquitoes in rice fields.
They included ammonium sulphate flares - which cannot be extinguished once lit and can cause third degree burns - and Chinese crackers and cosmic bangers banned from retail sale.
The buyout will see Lambson transfer its glycerine and ammonium sulphate production facilities to Teesside, ensuring the future of Koppers's Port Clarence works.
The RSPB has said car owners should smear aluminium ammonium sulphate on them as crows don't like the taste.