Determination of Methanol, Acetaldehyde, and Ethyl Acetate in Thousand Folds of Ethanol Sample by Headspace Gas Chromatography with Mass Spectrometry

Table 5

System suitability.

		Peak width	Retention time tR (min)	Resolution (Rs)	Symmetry	Theoretical plates (N)
Acetaldehyde	1	0.08	1.82	17.71	0.92	8252
	2	0.09	1.82	15.94	0.90	6522
	3	0.08	1.81	17.82	0.89	8162
	4	0.09	1.82	15.94	0.94	6521
	5	0.09	1.82	15.94	0.96	6521
	6	0.08	1.81	17.78	0.97	8190
Ethyl acetate	1	0.10	3.41	1.61	1.00	18613
	2	0.11	3.41	1.53	1.02	15386
	3	0.10	3.41	1.71	1.04	18613
	4	0.11	3.41	1.53	1.06	15384
	5	0.11	3.41	1.53	1.04	15384
	6	0.10	3.41	1.65	1.03	18605
Methanol	1	0.08	3.56	5.96	1.08	31614
	2	0.08	3.56	6.55	1.11	31621
	3	0.07	3.56	6.56	1.21	41287
	4	0.08	3.56	5.96	1.06	31613
	5	0.08	3.56	5.70	1.04	31613
	6	0.07	3.55	6.62	1.07	41151
Ethanol	1	0.14	4.21	37.98	1.07	14479
	2	0.12	4.21	39.98	1.07	19709
	3	0.13	4.21	39.98	1.04	16792
	4	0.14	4.21	37.98	1.03	14479
	5	0.15	4.21	34.53	1.09	12613
	6	0.13	4.21	39.98	1.13	16793