ammonium hydroxide

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ammonium hydroxide

NH4OH, a solution of ammonia gas in water, used as a household cleaner and a refrigerant.
Synonym: ammonia water
See also: ammonium
References in periodicals archive ?
A rooftop ammonia storage tank and an at-grade fill station were installed to support the aqueous ammonia SCR emission controls system.
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).
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.
With this aim, a method was developed in which the variables were varied in a certain rank to study: temperature, concentration of the aqueous ammonia solution, ratio of gypsum to solvent in reactor charge and grain size of phosphogypsum.
Similarly, although the anhydrous ammonia in some pollution-control processes has been replaced by urea or aqueous ammonia, 72% of ammonia use is in agricultural fertilizers.
Criterion Catalysts & Technologies in Michigan City eliminated the use of 23,000 pounds of aqueous ammonia from the manufacturing process for alumina powder in 2003.
Basically, a polymer salt is often created when resins and/or monomers are emulsified in an excess of aqueous ammonia.
The resin solutions were mixed at the predetermined ratio based on solids, and dispersed in an aqueous medium by the phase transition using aqueous ammonia as the neutralizer.
Fuel Tech's ULTRA process provides for the safe and cost-effective on-site conversion of urea to ammonia for use as a reagent in the selective catalytic reduction of NOx, eliminating the hazards associated with the transport, storage and handling of anhydrous or aqueous ammonia.
Its ULTRA process provides for the safe and cost-effective on-site conversion of urea to ammonia for use as a reagent where Selective Catalytic Reduction (SCR) is used to reduce NOx, eliminating the hazards associated with the transport, storage and handling of anhydrous or aqueous ammonia.
In the experiment, he mixed a solution of aqueous ammonia (colorless) with copper sulfate (blue) in water, causing a reaction which would eventually produce "beautiful, well-formed crystals.