hydroxylammonium
noun
hy·drox·yl·ammonium
| \ (¦)hī¦dräksə̇l+\
Definition of hydroxylammonium
: the univalent cation HONH3+ derived from hydroxylamine and present in its salts which are obtainable by hydrolysis of a primary nitroparaffin (as nitromethane) with water and a strong acid
hydroxylammonium chloride HONH3Cl or hydroxylamine hydrochloride NH2OH.HCl
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