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单词 hydrosulphurous
释义

hydrosulphurousadj.

/ˌhʌɪdrə(ʊ)ˈsʌlfjʊrəs/
Etymology: formed as hydrosulphuric adj. + sulphurous adj.
Chemistry. Obsolete.
In hydrosulphurous acid, a name given first to dithionic acid; afterwards to hyposulphurous acid, or hydrogen hyposulphite, H2S2O4.
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the world > matter > chemistry > chemical substances > acids > [noun] > acids-named > containing sulphur > hyposulphurous acid
hydrosulphurous acid1855
hyposulphurous acid1872
1855 R. G. Mayne Expos. Lexicon Med. Sci. (1860)
1872 H. Watts Dict. Chem. Suppl. VI. 1063 Hyposulphurous Acid, H2SO2 (Hydrosulphurous Acid, Schützenberger)..is produced by the action of zinc on aqueous sulphurous acid.
1872 H. Watts Dict. Chem. Suppl. VI. 1074 Schützenberger calls his acid hydrosulphurous acid; but it is more consistent with analogy to designate it as hyposulphurous acid.
This entry has not yet been fully updated (first published 1899; most recently modified version published online June 2018).
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adj.1855
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