ArticleAnalytical and bioanalytical chemistry2026
Detection of trace formaldehyde in beef tripe using doping-assisted positive photoionization high-field asymmetric waveform ion mobility spectrometry.
Article in Analytical and bioanalytical chemistry, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The illegal addition of formaldehyde during the soaking process of beef tripe poses a serious threat to human health. This paper proposes a method for detecting formaldehyde in beef tripe using dopant-assisted atmospheric pressure photoionization combined with high-field asymmetric waveform ion mobility spectrometry (FAIMS). This technique enables rapid and sensitive detection of formaldehyde. The study investigated the effects of different dopants, dopant concentrations, and RF voltage conditions on detection performance. When toluene was used as the dopant, the method exhibited a good linear relationship (correlation coefficient R
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