Analysis of ITX from Commercial Carton Packs in Korean Market
2007
Eom, M.O. (Korea Food and Drug Administration, Seoul, Republic of Korea), E-mail: [email protected] | Yoon, H.J. (Korea Food and Drug Administration, Seoul, Republic of Korea) | Choi, H.C. (Korea Food and Drug Administration, Seoul, Republic of Korea) | Jeon, D.H. (Korea Food and Drug Administration, Seoul, Republic of Korea) | Kim, H.I. (Korea Food and Drug Administration, Seoul, Republic of Korea) | Sung, J.H. (Korea Food and Drug Administration, Seoul, Republic of Korea) | Park, N.Y. (Korea Food and Drug Administration, Seoul, Republic of Korea) | Lee, E.J. (Korea Food and Drug Administration, Seoul, Republic of Korea) | Sung, D.H. (Korea Food and Drug Administration, Seoul, Republic of Korea) | Lee, Y.J. (Korea Food and Drug Administration, Seoul, Republic of Korea)
Isopropylthioxanthone (ITX) is used as a photoinitiator In UV-cured inks, triggering the radical polymerization of the acrylic component of such inks and thus causing the liquid ink film to cure. Recently ITX was detected in carton packed food in Italy. In order to cope with risk issues of overseas and acquire monitoring data on ITX, we have established the method using HPLC/FLD for ITX analysis after reviewing parameters of the analytical methods. Limit of detection (LOD) and limit of quantification (LOQ) were 0.02 ppb and 0.1 ppb, and linearity and RSD (%) were 0.9991 and 1.09, respectively.
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