ammonium hydroxide

(redirected from Nh4oh)
Also found in: Dictionary, Thesaurus, Medical, Acronyms.

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.
References in periodicals archive ?
0, 10, 15 and 30 ml of the standard nitrate solution were taken in separate 100 ml flasks, to which 2 ml phenoldisulfonic acid and 7 ml concentrated NH4OH was added.
Acidified sample of Urine coprecipited with NH4OH, irradiated with thermal neutron, reprecipited with La-hydroxide and the precipitate are dissolved in HNO3 [90].
he will be able to handle the following four chemistries minima during a process: Ozone, HF, HCl and NH4OH.