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Licensed Unlicensed Requires Authentication Published by De Gruyter August 19, 2020

Determination of hydrophobic degree of paper packaging materials by a tracer-assisted headspace gas chromatography

  • Yi Dai , Zhen-Hua Yu , Hao Wang , Jian-Bo Zhan , Jiao Xie , Bao-Shan Yue , Wei-Qi Xie and Xin-Sheng Chai EMAIL logo

Abstract

The present work reports on a method for the determination of hydrophobic degree of paper packaging material by tracer-assisted headspace gas chromatography. The method was based on adding 40 μL of methanol-water drop on the paper surface for 20 s. After removing the excess water by turning the sample vertically, the sample is placed in a vial and the amount of residual tracer attached on the material surface was accurately quantified by full evaporation headspace gas chromatography. The results show that the present method has a good precision (less than 4.1 %). The present method is simple and accurate and it can be an efficient tool for testing the hydrophobic degree of paper packaging material in batch.

Award Identifier / Grant number: 2019GY001

Award Identifier / Grant number: 2017CP01

Award Identifier / Grant number: 21576105

Award Identifier / Grant number: 51409287

Funding statement: The authors acknowledge the financial support from the Major Special Projects of China Tobacco Yunnan Industrial Co. Ltd (Project Nos. 2019GY001 and 2017CP01), and Natural Science foundation of China (Project Nos. 21576105 and 51409287).

  1. Conflict of interest: The authors declare no conflicts of interest.

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Received: 2020-03-05
Accepted: 2020-07-13
Published Online: 2020-08-19
Published in Print: 2020-09-25

© 2020 Walter de Gruyter GmbH, Berlin/Boston

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