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字典帮 >教育工具 >英语词汇“platinous”的英英意思、用法、释义、翻译、读音、例句、短语、词组、英语词典-本地帮
2026-01-24

“platinous”的英英意思

单词 platinous
释义 platinous, a. Chem.|ˈplætɪnəs|
[f. platin-um + -ous c.]
Applied to those compounds of platinum in which it exists in its lower degree of valency, i.e. as a dyad. Opposed to platinic.
1842[see platinic].1858Mayne Expos. Lex., Berzelius terms Oxydum platinosum the first degree of oxidation of platina; Sulphur platinosum the first degree of sulphuration; Sales platinosi the combinations of platinous oxide with the oxacids.1866Watts Dict. Chem. IV. 667 Dichloride of Platinum or Platinous Chloride, PtCl2.Ibid. 671 Platinous Oxide is obtained as a hydrate, Pt{pp}O.H2O or Pt{pp}H2O2, by digesting platinous chloride in a warm solution of potash and washing the precipitate.1890Abney Photogr. (ed. 6) 171 A platinous salt..was mixed with a ferric oxalate.

　

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