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KMID : 0881720190340030263
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Journal of Food Hygiene and Safety
2019 Volume.34 No. 3 p.263 ~ p.268
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Monitoring of Methanol Levels in Commercial Detergents and Rinse Aids
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Park Na-Youn
Yang Hee-Deuk
Lee Jeoung-Sun
Kim Jung-Hoan
Park Se-Jong
Choi Jae-Chun
Kim Mee-Kyung
Kho Young-Lim
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Abstract
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Methanol is a toxic alcohol used in various products such as antifreeze, detergent, disinfectant and industrial solvent. In the human body, methanol is oxidized to formaldehyde and formic acid, which can lead to metabolic acidosis, optic nerve impairment, and death. In this study, the methanol levels in detergents (n=191) and rinse aids (n=13) were analyzed by gas chromatography-headspace-mass spectrometry (GC-HS-MS). Limit of detection was 1.09 mg/kg, accuracy and precision were 91.1-97.9% and <10%, and it was suitable for quantitative analysis. This analysis method was simple and fast with a higher recovery rate than the conventional MFDS (Ministry of Food and Drug Safety) method of diluting the sample in water and putting it in a headspace vial.
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KEYWORD
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Methanol, Detergent, Rinse aid products, GC-HS-MS, Monitoring
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