quinone 的定义
Chemistry.
- a yellow, crystalline, cyclic unsaturated diketone, C6H4O2, formed by oxidizing aniline or hydroquinone: used chiefly in photography and in tanning leather.
- any of a class of compounds of this type.
更多quinone例句
- The gradation of color is quite pronounced in the case of selenonaphthene quinone.
- Thus there is quinone itself, or benzoquinone, which is benzene with two atoms of oxygen replacing two atoms of hydrogen.
- Phenanthrene forms a quinone which has been utilized as a source of colouring-matters, but these are comparatively unimportant.
- The compound is readily prepared by the action of sulphurous acid or any other reducing agent on the quinone.
- The so-called chrysophanic acid found in Xanthoria (Physcia) parietina is not an acid but a quinone and is better termed physcion.