英语词汇“indigo-sulphonic acids”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

> as lemmas

indigo-sulphonic acids

indigo-sulphonic acids n. (popularly indigo-sulphuric acids) i.e. indigo monosulphonic and indigo disulphonic acids, products of the action of sulphuric acid on indigo-blue.

1881 H. Watts Dict. Chem. 3rd Supp. 1088 A peculiar modification of commercial indigosulphonic acid (commonly called indigosulphuric acid).

1889 H. F. Morley & M. M. P. Muir Watts' Dict. Chem. (rev. ed.) II. 758/1 Indigo-mono-sulphonic acid, C₁₆H₉N₂O₂(SO₃H), Phœnicine sulphuric acid: a blue powder formed by allowing to stand some time a mixture of indigo with ordinary sulphuric acid.

1889 H. F. Morley & M. M. P. Muir Watts' Dict. Chem. (rev. ed.) II. 758/1 Indigo-di-sulphonic acid, C₁₆H₈N₂O₂(SO₃H)₂, Sulphindigotic acid, Cæruline-sulphuric-acid, Indigo-extract.

extracted from indigon.adj.

as lemmas

单词	indigo-sulphonic acids
释义	> as lemmas indigo-sulphonic acids indigo-sulphonic acids n. (popularly indigo-sulphuric acids) i.e. indigo monosulphonic and indigo disulphonic acids, products of the action of sulphuric acid on indigo-blue. Π 1881 H. Watts Dict. Chem. 3rd Supp. 1088 A peculiar modification of commercial indigosulphonic acid (commonly called indigosulphuric acid). 1889 H. F. Morley & M. M. P. Muir Watts' Dict. Chem. (rev. ed.) II. 758/1 Indigo-mono-sulphonic acid, C₁₆H₉N₂O₂(SO₃H), Phœnicine sulphuric acid: a blue powder formed by allowing to stand some time a mixture of indigo with ordinary sulphuric acid. 1889 H. F. Morley & M. M. P. Muir Watts' Dict. Chem. (rev. ed.) II. 758/1 Indigo-di-sulphonic acid, C₁₆H₈N₂O₂(SO₃H)₂, Sulphindigotic acid, Cæruline-sulphuric-acid, Indigo-extract. extracted from indigon.adj. < as lemmas
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