 | Friedrich August Flückiger, Daniel Hanbury - Botany, Medical - 1874 - 754 pages
...obtained on evaporation in colourless acicular crystals. Umbelliferone is soluble in water; its solution exhibits, especially on addition of an alkali, a brilliant blue fluorescence which is destroyed by an acid. If a small fragment of galbanum is immersedin water, no fluorescence is observed, but it is immediately... | |
 | John Attfield - Chemistry - 1879 - 718 pages
...(Mi/rrhfi, BP and USP), an exudation from the stem of Bui* " Umbelliferone is soluble in water; its solution exhibits, especially on addition of an alkali, a brilliant blue fluorescence which is destroyed by an acid. If a small fragment of galbnnnm is immersed in water, no fluorescence is observed, but it is immediately... | |
 | Friedrich August Flückiger, Daniel Hanbury - Botany, Medical - 1879 - 836 pages
...on evaporation in colourless acicular crystals. Umbelliferone is soluble in hot water; its solution exhibits, especially on addition of an alkali, a brilliant blue fluorescence which is destroyed by an acid. If a small fragment of galbanum is immersed in water, the fluorescence is immediately produced by a... | |
 | John Attfield - 1883 - 816 pages
...s/i/racin (C,eHuO,), isomeric with hydride of cinnamyl (C9H7OII). The resin of balsam of Peru cially on addition of an alkali, a brilliant blue fluorescence which is destroyed by an acid. If a small fragment of galbanum is immersed in water, no fluorescence is observed, but it is immediately... | |
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C9H603, which may be dissolved from the acid liquid by means of ether or cliloroform ; it is obtained on evaporation in colourless acicular crystals. Umbelliferone is soluble in water; its solution exhibits, especially on addition of an alkali, a brilliant... 