TABLE II

Overview of the Relative Response Factors, Determined with GC/MS, for the Semi-Volatile Compounds in the Retention Time Window of 17.67–17.87 Min. The Noted Compounds Represent the Extreme RRF Values, Which Differ by Nearly a Full Order of Magnitude. The compounds Are Noted In Italics

Retention Time (Min)Relative Response Factor (RRF)CompoundCas N°
17.670.754Methyl undecanoate1731-86-8
17.690.158Triethanolamine102-71-6
17.71.132-tert-Butyl-4-ethylphenol96-70-8
17.720.822-Propenyl ester of Cyclohexanepropanoic acid2705-87-5
17.720.662N-Methylphthalimide550-44-7
17.780.5062-Ethylhexyl thioglycolate7659-86-1
17.781.4451,3,5-Tri-tert-butylbenzene1460-02-2
17.780.702alpha-Ionone127-41-3
17.780.5774-Butylbenzyl alcohol60834-63-1
17.80.5052,4,6-Trimethylbenzoic acid480-63-7
17.80.6174-(Methylthio)benzaldehyde3446-89-7
17.820.4264-Isopropylbenzoic acid536-66-3
17.820.4794-Hydroxy-3-methylbenzaldehyde15174-69-3
17.830.3412-Azacyclononanone935-30-8
17.830.712cis-6,10-Dimethyl-5,9-undecadien-2-one3879-26-3
17.870.299trans-Cinnamic acid140-10-3
  • GC/MS, gas chromatography/mass spectroscopy; RRF, relative response factor.