| 单词 | hyposulphurous acid |
| 释义 | > as lemmashyposulphurous acid Chemistry. extracted from hyposulphurousadj. In hyposulphurous acid: ΘΚΠ the world > matter > chemistry > chemical substances > acids > [noun] > acids-named > containing sulphur > thiosulphuric acid hyposulphurous acid1817 thiosulphuric acid1868 1817 T. Thomson Syst. Chem. (ed. 5) II. 112 Besides the two acid compounds of sulphur and oxygen, (viz. sulphurous and sulphuric acids) we have the fullest evidence of the existence of a third..to which the name of hyposulphurous acid may be given. 1866 H. E. Roscoe Lessons Elem. Chem. xiii. 118 Hyposulphurous Acid, or Hydric Hyposulphite, is not known in the free state. 1894 H. E. Roscoe & C. Schorlemmer Treat. Chem. I. 412 Thiosulphuric Acid (H2S2O3). This compound is better known under its old name of ‘hyposulphurous acid’, with which name however we now designate the body obtained by the reduction of sulphurous acid. b. Now applied to the acid H2S2O4, containing one atom of oxygen less than sulphurous acid; formerly called hydrosulphurous acid. ΘΚΠ the world > matter > chemistry > chemical substances > acids > [noun] > acids-named > containing sulphur > hyposulphurous acid hydrosulphurous acid1855 hyposulphurous acid1872 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. 1877 H. Watts Fownes's Man. Elem. Chem. (ed. 12) I. 213 Hyposulphurous acid is obtained, as a deep orange-coloured strongly bleaching liquid. < as lemmas |
| 随便看 |
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。