Hydrogen, Arsen′′iuretted

(AsH 3 .) Syn. Arse netted hydrogen , Hydride of arsenic , Ars enamine ; Hydrogenium arseniuratum , L. A gaseous compound of arsenic and hydrogen. Prep. Arsenide of zinc (made by fusing together equal weights of zinc and arsenic) is acted upon by strong hydrochloric acid or by sulphuric acid diluted with three parts of water. Obs. This gas is produced whenever arsenious or arsenic acid, or any of their salts, is in presence of nascent hydrogen. The properties of arse netted hydrogen are fully described in the tests for ARSENIOUS ACID . This gas is a deadly poison when inhaled.