Ammonium Phosphate

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ammonium phosphate

[ə′mōn·yəm ′fäs‚fāt]
(inorganic chemistry)
(NH4)2HPO4 A salt of ammonia and phosphoric acid that forms white monoclinic crystals, which are soluble in water; used as a fertilizer and fire retardant.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Ammonium Phosphate


(in Russian, ammofos), double ammonium-phosphate concentrated mineral fertilizer. It is composed principally of monoammonium phosphate (NH4 H2 PO4) with an admixture of diammonium phosphate [(NH4)2 HPO4 ]. It contains 45–52 percent phosphoric anhydride and 10–12 percent nitrogen. It is used on various soils as a fundamental or supplementary fertilizer.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
The gas produced by Ammonium Phosphate affects heart and liver, which can cause death, Shaikh said.
"Ammonia removal from young landfill leachate by magnesium ammonium phosphate precipitation and air stripping," Water Sci.
(a) Chemical spot test analysis Components detected Number Frequency (%) Oxalate 45/48 93.7 Calcium 39/48 81.2 Magnesium 16/48 33.3 Phosphate 14/48 29.1 Urate 9/48 18.7 Ammonium 7/48 14.5 Cystine 5/48 10.4 Carbonate 3/48 6.2 (b) FT-IR analysis Components detected Number Frequency (%) Calcium oxalate monohydrate 32/48 66.6 Carbonate apatite 16/48 33.3 Anhydrous uric acid 12/48 25.0 Calcium oxalate dihydrate 8/48 16.6 Dihydrate uric acid 2/48 4.1 Magnesium ammonium phosphate 2/48 4.1 Cystine 2/48 4.1 Atazanavir 1/48 1.0 TABLE 2: Comparison between urinary stone composition (frequency %) obtained with chemical spot test (extrapolated associating the single chemical constituents) and FT-IR analysis.
Comparing mean seed yield by Duncan's multiple range test under the effect of ammonium phosphate is shown in fig 11.
The salesman then offered a different brand to Arab News that also contained ammonium phosphate and cost less than SR25.
Ammonium Phosphates: The ammonium phosphates are made by passing anhydrous NH3 through phosphoric acid.
There are at the Annaba complex four main production units for ammonium phosphate fertilisers, sodium tripolyphosphate (STPP), ammonium nitrate and nitric acid, and ammonia, as follows:
Eight tenders for the supply of (a) 80 tons potassium chloride & 50 tons potassium sulfate, (b) 50 tons mono ammonium phosphate and 80 tons di ammonium phosphate, (c) 20 tons mono potassium phosphate, (d) 5 tons magnesium oxide, (e) 12 tons calcium carbonate, (f) 40 tons urea fertilizers, (g) 50,000 woven plastic sacks & (h) 10,000 printed plastic jericans.
He added every farmer received 75kgs of Di Ammonium Phosphate (DAP),50kgs of Nitrogen fertilizer and 50kgs of yellow corn seeds.
Eight tenders for the supply of (a) 1,000 tons imported yellow dent corn, (b) 100 tons di ammonium phosphate, (c) plastic packs for the packaging of syrups & jams, (d) waterproof heavy fabrics to cover sugar packs, (e) 800 tons aluminum sulfate in liquid form, (f) 10 tons pectin of food grade, (g) sodium chloride in tablets form & (h) anti foam agent for the yeast production.