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

Table 10

Concentrations of methanol, acetaldehyde, ethyl acetate, and ethanol in alcohol samples in Ho Chi Minh City.

No		Samples	Acetaldehyde (mg/L)	Ethyl acetate (mg/L)	Methanol (mg/L)	Ethanol (%)
1	Local beer samples	BBV	9.88	33.53	0.63	4.53
2		BHD	4.65	41.36	n/d	4.80
3		BLR	13.22	27.53	1.43	4.51
4		BSG	7.59	8.83	n/d	5.86
5		BTG	6.89	35.41	n/d	5.46
6	Local liqueur samples (industrial products)	VKNH	n/d	n/d	n/d	33.07
7		RDBT	n/d	n/d	n/d	33.24
8		RNUL	46.14	40.03	n/d	39.60
9		VKM	n/d	n/d	n/d	29.96
10		VKG	n/d	n/d	n/d	29.57
11	Local liqueur samples (manual products)	TCHD1	39.80	n/d	1.77	37.77
12		TCHD2	6.95	n/d	n/d	25.68
13		TCHH1	5.55	4.57	n/d	32.41
14		TCHH2	8.83	32.00	3.69	29.21
15		TCHV	75.96	n/d	68.75	32.75

Note. n/d: not detected (below detection limit).