ammonium hydroxide

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ammonium hydroxide

[ə′mōn·yəm ‚hī′dräk‚sīd]
(inorganic chemistry)
NH4OH A hydrate of ammonia, crystalline below -79°C; it is a weak base known only in solution as ammonia water. Also known as aqua ammonia.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Treatment of poor quality roughage diets with urea or aqueous ammonia have been found very effective in improving their digestibility (Uza et al.
Aqueous Ammonia Pretreatment and Enzymatic Hydrolysis.
A rooftop ammonia storage tank and an at-grade fill station were installed to support the aqueous ammonia SCR emission controls system.
Moreover, the chromatographic behavior of photocyanine subjected to mobile phases of different pH values was investigated, and we observed that deionized water (adjusted to pH 10.0 with aqueous ammonia) improved the peak shape and significantly increased the signal intensity of the analyte.
Flue gases enter the absorber from the bottom and leave from the top where they interact in counter-clock fashion with aqueous ammonia solvent (NH3+H2O).
MSO-2 and MSO-3 were neutralized with 11 and 7.6 mol of aqueous ammonia per anhydride, respectively.
"Effects of pH and catalyst concentration on photocatalytic oxidation of aqueous ammonia and nitrite in titanium dioxide suspensions", Environ.
Fuel Tech also received orders for catalyst management services for several Selective Catalytic Reduction (SCR) systems; an aqueous ammonia storage, handling and dosage system for an SCR system in Italy; equipment and modeling services for a Korean client; and the company's very first commercial "mini-SCR" system.
The transaction includes the AN solution, aqueous ammonia and weak nitric acid supply activities at both sites, as well as the concentrated nitric acid supply activities at the Tertre site.
Other commonly used pretreatment technologies include controlled pH, aqueous ammonia recycle, flow-through, and lime methods.
PVA 120-98 cryogels with or without N[H.sub.4]OH in composition have been prepared by physical crosslinking and characterized, in terms of their swelling degree sensitivity to aqueous ammonia solution concentration range of 0.6 to 6 % wt.
of Portsmouth, N.H., claims that its system, based on an aqueous ammonia solution, will avoid some of the problems of earlier technologies, which relied on monoethanolamine to capture C[O.sub.2].