ammonium hydroxide

(redirected from Aqueous ammonia)
Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.

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 ?
Other commonly used pretreatment technologies include controlled pH, aqueous ammonia recycle, flow-through, and lime methods.
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.
Similarly, although the anhydrous ammonia in some pollution-control processes has been replaced by urea or aqueous ammonia, 72% of ammonia use is in agricultural fertilizers.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.
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.
The relocated SCA Auxiliary Boiler #2 shall be a saturated steam, natural gas-fired, water tube boiler, with SCR, aqueous ammonia vaporization skid, PLC controls, and with all necessary equipment for standalone operation.
2]O (AR grade) prepared in SBF, whose composition is elicited in Table 1 [12]was used as the calcium source, the pH of which was raised to 9 using 1:2 solutions of aqueous ammonia and SBF respectively.