alkanet
/al-kuh-net/US // ˈæl kəˌnɛt //UK // (ˈælkəˌnɛt) //
烷烃网,烷网,阿尔坎特网,阿尔坎尼特
Definitions
n.名词 noun
- 1
- : a European plant, Alkanna tinctoria, of the borage family.
- : the root of this plant, yielding a red dye.
- : the dye itself.
- : any of several similar hairy plants, as the bugloss, Anchusa officinalis, or a puccoon of the genus Lithospermum.
Examples
On removing from the fire, add three or four small pieces of alkanet root, and keep the vessel closely covered for several hours.
According to Dr John, good alkanet root contains 51⁄2 per cent.
Cochineal is turned by the potassa to a violet-red, orchil to a violet-blue, and alkanet to a decided blue.
Hydrochloric acid, whether dilute or concentrated, is without action on alkanet violet.
Color the grease very strongly with alkanet root, then proceed as for the manufacture of saponaceous cream.
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