“persulphuret”的英文意思_释义_用法

单词

persulphuret

释义

perˈsulphuret Chem.
= persulphide.
1836Brande Chem. (ed. 4) 755 Persulphuret of Arsenic... When sulphuretted hydrogen is passed through a concentrated solution of arsenic acid, a yellow precipitate falls, which resembles orpiment in colour.1853W. Gregory Inorg. Chem. (ed. 3) 135 The formation of persulphuret of ammonium.1854J. Scoffern in Orr's Circ. Sc., Chem. 347 This process yields..persulphurets of the base radical.
So persulˈphuric a. [per- 5 a], in persulphuric acid, the acid H₂S₂O₈, containing the largest known proportion of oxygen in combination with sulphur; persulphuric oxide, the anhydride of this acid, S₂O₇, discovered by Berthelot in 1878. † perˈsulphurous a. Obs. = hyposulphurous.
1819J. G. Children Chem. Anal. 432 A peculiar acid, which he proposed to call the persulphurous, but afterwards changed the name to that of hyposulphurous acid.1883Athenæum 16 June 767/2 The formation of Berthelot's persulphuric acid.

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