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单词 styphnic
释义 styphnic, a. Chem.|ˈstɪfnɪk|
[f. supposed Gr. *στυϕν-ός (a mistake for στρυϕνός) astringent + -ic.
The name (G. styphninsäure) was given by the discoverers, Böttger and Will, Liebig's Ann. der Chemie 1846, LVIII. 269.]
styphnic acid, a dibasic astringent acid obtained by the action of nitric acid on asafœtida and other gum resins. Also called oxypicric acid.
1850Fownes Chem. (ed. 3) 524 To these may be added the styphnic acid recently described by MM. Boettger and Will.
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