Analysis of free and bound formaldehyde in squid and squid products by gas chromatography–mass spectrometry Tai-Sheng Yeh, Tzu-Chun Lin, Ching-Chuan Chen, Hwui-Mei Wen Journal of Food and Drug Analysis Volume 21, Issue 2, Pages 190-197 (June 2013) DOI: 10.1016/j.jfda.2013.05.010 Copyright © 2013 Terms and Conditions
Fig. 1 Total ion chromatogram of 50 μg/mL standard solution of formaldehyde-DNPH, acetaldehyde-DNPH and propionaldehyde-DNPH. DNPH = 2,4-dinitrophenylhydrazine. Journal of Food and Drug Analysis 2013 21, 190-197DOI: (10.1016/j.jfda.2013.05.010) Copyright © 2013 Terms and Conditions
Fig. 2 Mass spectrum of formaldehyde-DNPH. DNPH = 2,4-dinitrophenylhydrazine. Journal of Food and Drug Analysis 2013 21, 190-197DOI: (10.1016/j.jfda.2013.05.010) Copyright © 2013 Terms and Conditions