| 单词 |
indin |
| 释义 |
indin Chem.|ˈɪndɪn|
[f. ind-, indigo- + -in.]
A crystalline substance of a beautiful rose-colour, isomeric with indigo-blue.
1845Penny Cycl. Suppl. I. 345/2 Indin is prepared by the action of potash on sulphesathyde..It is isomeric with white indigo. 1865–72Watts Dict. Chem. III. 265 Indin forms a deep rose-coloured powder, or fine microscopic needles, insoluble in water.
b. Comb.: indin-potassium (C16H11N2O3K), the potassium salt of indic acid; indinsulphuric acid, indinsulphate, etc. Also, as a second element in dibromindin, dichlorindin, hydrindin, nitrindin, compounds of indin with bromine, chlorine, etc.
1865–72Watts Dict. Chem. III. 265 Indin-potassium..may be prepared..by warming indin moistened with alcohol, and dissolving it in strong alcoholic potash. Ibid. 267 A hot solution of indinsulphuric acid mixed with excess of a potassium-salt..deposits the indinsulphate on cooling in interlaced needles of a dark-red colour. Ibid. 268 The barium-salt evaporated down with hydrochloric or sulphuric acid, is converted into indinsulphate of barium.
Hence inˈdinic a., obs. synonym of indic a. q.v. |
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