Volatile chemicals should be handled in a chemical fume hood as they provide adequate ventilation and a physical barrier. Chemical fume hoods should be free of other chemicals before handling volatiles inside them.

They are extracts without volatiles

The definition of non-halogenated volatiles is a compound where a halogen is not attached. They are mainly analysed based on their solubility in water.Ê

Because they do not have volatiles in them to form a coma as to comets.

a volatile is something changing or changeable. It also has magma which is a water substance.