Simultaneous Determination of Four Aldehydes in Gas Phase of Mainstream Smoke by Headspace Gas Chromatography-Mass Spectrometry

Table 1

Quantitation ions, confirmation ions, and retention times of the target compounds and their isotope internal standards.

Compound	Quantification ion (m/z)	Confirmation ion (m/z)	Retention time; (min)
Acetaldehyde	44	43	8.64
Propionaldehyde	58	29	13.04
Acrolein	56	55	12.82
Crotonaldehyde	70	41	25.72
Benzene-D6	84	82	23.96