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    The structures of UV-320 and UV-327 are nearly identical except for the additional chlorine in UV-327 (cf. Figure 2). Thus, degradation of UV-327 needs dechlorination which adds an additional degradation step as compared to UV -320. Hence, degradation of UV-327 will be slower than degradation of UV-320.

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    Determination of the mass transport properties of chemical .

    ABSTRACTThe mass transport process (migration) of five additives from three different types of polypropylene (PP) films into selected food simulants was studied. The migration tests were carried out at different time-temperature conditions, and the concentration of additives in polymer matrix and food simulants were analysed by high-performance liquid chromatography (HPLC).

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