ammonium sulfate


Also found in: Dictionary, Thesaurus, Medical, Acronyms, Wikipedia.

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.
..... Click the link for more information. , 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.
..... Click the link for more information. , in preparing other ammonium compounds, and for fireproofing.
The Columbia Electronic Encyclopedia™ Copyright © 2013, Columbia University Press. Licensed from Columbia University Press. All rights reserved. www.cc.columbia.edu/cu/cup/

ammonium sulfate

[ə′mōn·yəm ′səl‚fāt]
(inorganic chemistry)
(NH4)2SO4 Colorless, rhombic crystals which melt at 140°C and are soluble in water.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
Mentioned in ?
References in periodicals archive ?
The global ammonium sulfate market is segregated into product and application.
Ammonium Sulphate Market Share Report, Growth Trends, Industry News, Application, Segmentation, Demand, Scope, Business Size by 2026
Associated to the single superphosphate, the ammonium sulfate provides sulfur, important for protein synthesis, seen that the simultaneous ministration of nitrogen and sulfur, in the proportions from 7:1 to 11:1, contributes for the recovery of the decumbens grass (Brachiaria), increases the leaf area, the production of dry mass and increases the efficiency in the use of water (Bonfim-Silva et al., 2007).
Reactive natural phosphate and nitrogen fertilizers in Marandu grass fertilization
CB was cane bagasse (w/v) and AS was ammonium sulfate (w/v).
Evaluation of hollocelulase production by Lentinula edodes (Berk.) Pegler during the submerged fermentation growth using RSM/ Avaliacao da producao de enzimas holoceluloliticas por Lentinula edodes (Berk.) Pegler durante o crescimento em fermentacao submersa usando MSR
Interactions significant by concentrations of calcium sulfate and ammonium sulfate concentrations were observed in the population fluctuation of nymphs + adults ([F.sub.15,24] = 309, P < 0.01), soil moisture (%) ([F.sub.15,24] = 498, P < 0.01), average infestation ([F.sub.15,24] = 3,021, p < 0.01); attacked plants expressing reduced size ([F.sub.15,24] = 102, P < 0.01), yellowish plants ([F.sub.15,24] = 1,002; P < 0.01) and productivity ([F.sub.15,24] = 876, P < 0.01).
Fuentes de azufre sobre el control de Scaptocoris castanea (Hemiptera: Cydnidae) en algodon
As shown in Fig 2, atrazine application alone had no significant effect on redroot pigweed density, but nicosulfuron application alone and in mixture of different adjuvants (Volck oil, ammonium sulfate, ammonium nitrate, and situgate) decreased weed density 17.92, 41.02, 41.02, 61.45, and 33.33% compared to the control, respectively.
Influence of adjuvant on nicosulfuron efficiency on yield and weeds control of corn
Selected fertilizer samples were doped with ammonium sulfate and urea (potential adulterants) to test the robustness of ATR-FTIR spectroscopy in detecting their presence.
Testing protocol ensures the authenticity of organic fertilizers
The nitrogen in ammonium phosphate and ammonium sulfate can wreak terrible havoc on aquatic ecosystems, creating algae blooms that kill fish by choking out their oxygen.
Dear EarthTalk: how safe are the fire retardants that are used to quell forest fires across the American West?
Alternatively, ammonium sulfate has been suggested to act as an oviposition attractant by reducing water turbidity (7).
Laboratory studies on the effect of inorganic fertilizers on survival and development of immature Culex quinquefasciatus (Diptera: Culicidae)
In this study, to identify age-dependent discrepancies in BT and potential relevant mechanisms, we compared the concentrations of BT that were measured by use of a routine ammonium sulfate precipitation assay (15) to calculated BT using the Vermeulen mass action law model (17) in 2 populations of young and aging men.
Age-associated discrepancy between measured and calculated bioavailable testosterone in men
The solution came in the form of Class Act[R] and Alliance, corn-based water conditioners that contain concentrated ammonium sulfate to alleviate sedimentation and plugged nozzles.
Producer needs, thorough testing keys to AgriSolutions innovations
What's more, for every kilogram of caprolactam manufactured, says chemist Robert Raja, also of the University of Cambridge, 4 kg of ammonium sulfate are generated.
Greener nylon: one-pot recipe could eliminate industrial leftovers
Upon complettion of (1), add 25ml of ferrous ammonium sulfate (0.4N) and allow to stand one minute.
Analytical instruments and how to use them

Encyclopedia browser ?
Full browser ?