In hydrosulphurous acid, a name given first to dithionic acid; afterwards to hyposulphurous acid, or hydrogen hyposulphite, H2S2O4.
| 单词 | θ71263 |
| 释义 | the world > matter > chemistry > chemical substances > acids > [noun] > acids-named > containing sulphur > hyposulphurous acid (2) hydrosulphurous acid1855 In hydrosulphurous acid, a name given first to dithionic acid; afterwards to hyposulphurous acid, or hydrogen hyposulphite, H2S2O4. hyposulphurous acid1872 In hyposulphurous acid. Now applied to the acid H2S2O4, containing one atom of oxygen less than sulphurous acid; formerly called hydrosulphurous acid. |
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