Betekenis van:
alkyl group

alkyl group

Zelfstandig naamwoord

any of a series of univalent groups of the general formula CnH2n+1 derived from aliphatic hydrocarbons

If anaerobic biodegradability has been confirmed for a surfactant by use of an appropriate test method, it can be assumed that a similar type of surfactant is also anaerobically biodegradable (for example, literature data confirming the anaerobic biodegradability of surfactants belonging to the group alkyl ester ammonium salts may be used as documentation for a similar anaerobic biodegradability of other quaternary ammonium salts containing ester-linkages in the alkyl chain(s)).