英语词汇“hexane”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

hexane

/ˈhɛkseɪn

noun Chemistry

A colourless liquid hydrocarbon of the alkane series, present in petroleum spirit.

Chemical formula: C₆H₁₄; five isomers, especially the straight-chain isomer (n-hexane).

Solvents permitted in the UK for extraction include acetone, hexane, ethyl acetate, ethyl alcohol, and carbon dioxide....

Some manufacturers use toxic chemicals like hexane or acetone and are not required by the Food and Drug Administration to list them on the label if they account for less than 2 percent of ingredients.
The hexane was evaporated under a gentle stream of nitrogen gas before adding 0.1 ml of ethyl ether and 0.1 ml 0.1 M of KOH in methanol and heating the samples for 5 min at 50°.

Late 19th century: from hexa- 'six' (denoting six carbon atoms) + -ane².

单词	hexane
释义	hexane /ˈhɛkseɪn / noun Chemistry A colourless liquid hydrocarbon of the alkane series, present in petroleum spirit. Chemical formula: C₆H₁₄; five isomers, especially the straight-chain isomer (n-hexane). Solvents permitted in the UK for extraction include acetone, hexane, ethyl acetate, ethyl alcohol, and carbon dioxide.... Some manufacturers use toxic chemicals like hexane or acetone and are not required by the Food and Drug Administration to list them on the label if they account for less than 2 percent of ingredients. The hexane was evaporated under a gentle stream of nitrogen gas before adding 0.1 ml of ethyl ether and 0.1 ml 0.1 M of KOH in methanol and heating the samples for 5 min at 50°. Origin Late 19th century: from hexa- 'six' (denoting six carbon atoms) + -ane².
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