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. 2019 Feb 1;11(2):238. doi: 10.3390/polym11020238

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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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Comparison of single factor results. (a) Effect of the concentration of PEG 1000 on the extraction;(b) effect of the concentration of (NH₄)₂SO₄on the extraction; (c) effect of pH on the extraction; (d) effect of the weight of the salted egg white solution on the extraction.