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. 2019 Jan 8;12(1):195. doi: 10.3390/ma12010195

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© 2019 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Carbonyl Index of neat PE and PE containing different compounds as a function of the photo-oxidation time. (a) Ca stearate; (b) Vitamin E; (c) Ferulic Acid.