Volatile compounds can be divided into 4 categories is
1. Aromatic hydrocarbons (aromatic hydrocarbons), including toluene, benzene, xylene
2. Groups S. Terry (esters) include methyl acetate, ethyl acetate. , n-butyl acetate, sec-butyl acetate
3. groups ketones (ketones), including acetone,.methyl ethyl ketone, methyl isobutyl ketone
4. groups, ether (ethers) include ethylene glycol ether, ethylene glycol monomethyl ether, ethylene glycol monobutyl ether, ethylene glycol monoethyl ether acetate.
การแปล กรุณารอสักครู่..
![](//thimg.ilovetranslation.com/pic/loading_3.gif?v=b9814dd30c1d7c59_8619)