单词 | camphanic acid |
释义 | > as lemmascamphanic acid camphanic acid n. Brit. , U.S. ΚΠ 1885 Jrnl. Chem. Soc. 48 i. 669 Camphanic acid can be most conveniently prepared by heating a mixture of 10 grams of camphoric acid with 12 grams of bromine in sealed tubes at 120°. 1896 Jrnl. Chem. Soc. 49 i. 65 Pure camphanic acid melts at 201°. < as lemmas |
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