Multianalytical Method Validation for Qualitative and Quantitative Analysis of Solvents of Abuse in Oral Fluid by HS-GC/MS

Table 2

Retention time (min) of the solvents tested in both columns.

Analyte	Retention time (min)
	ZB-BAC1 column (Phenomenex)	Analyte	Carbowax column (Agilent)
Ethanol	2.005	Diethyl ether	1.459
Diethyl ether	2.691	Ethyl acetate	2.695
Dichloromethane	2.952	Dichloromethane	3.109
n-Propanol	3.465	Ethanol	3.482
Chloroform	4.864	Chloroform	4.624
Ethyl acetate	5.367	Toluene	5.026
n-Butanol	6.293	n-Propanol	5.469
Isopentanol	8.774	p-Xylene	7.008
Toluene	9.587	m-Xylene	7.212
p-Xylene	10.460	o-Xylene	7.398
m-Xylene	10.571	n-Butanol	8.092
o-Xylene	10.726	Isopentanol	9.707