Occurrence of volatile contaminants in recycled poly (ethylene terephthalate) by HS-SPME-GC× GC-QTOF-MS combined with chemometrics for authenticity …

B Dong, X Wu, S Wu, H Li, QZ Su, D Li, Q Lin… - Journal of Hazardous …, 2023 - Elsevier
A comparison was performed on various methods detecting the volatile contaminants (VCs)
in recycled poly (ethylene terephthalate)(rPET) flakes, the results demonstrated that head …

The characterization and influence factors of semi-volatile compounds from mechanically recycled polyethylene terephthalate (rPET) by combining GC× GC-TOFMS …

S Wu, X Wu, H Li, D Li, J Zheng, Q Lin, C Nerín… - Journal of Hazardous …, 2022 - Elsevier
A non-targeted method was developed for screening the semi-volatile compounds of
different mechanically recycled PET intended for food contact materials. The data was …

Pros and cons of analytical methods to quantify surrogate contaminants from the challenge test in recycled polyethylene terephthalate

JS Félix, P Alfaro, C Nerín - Analytica chimica acta, 2011 - Elsevier
Different analytical methods were optimized and applied to quantify certain surrogate
contaminants (toluene, chlorobenzene, phenol, limonene and benzophenone) in samples of …

Characterization and elimination efficiency of volatile organic compounds in mechanically recycled polyethylene terephthalate at various recycling stages

S Wu, D Li, H Li, Q Su, J Liang, J Zheng, H Zhong… - Waste Management, 2024 - Elsevier
The recycling of polyethylene terephthalate (PET) stands as an effective strategy for
mitigating plastic pollution and reducing resource waste. The study aimed to investigate the …

Authentication of recycled and virgin polyethylene terephthalate based on UPLC-Q-TOF-MS using non-volatile organic compounds and chemometrics

TY Hao, QB Lin, XF Wu, SL Wu, HN Zhong… - Food Additives & …, 2023 - Taylor & Francis
Plastic packaging waste, such as polyethylene terephthalate (PET) has increased
significantly in recent decades, arousing a considerable and serious public concern …

Machine learning directed discrimination of virgin and recycled poly (ethylene terephthalate) based on non-targeted analysis of volatile organic compounds

H Li, X Wu, S Wu, L Chen, X Kou, Y Zeng, D Li… - Journal of Hazardous …, 2022 - Elsevier
The use of non-decontaminated recycled poly (ethylene terephthalate)(PET) in food
packages arouses consumer safety concerns, and thus is a major obstacle hindering PET …

Comparison of the ability of UV-Vis and UPLC-Q-TOF-MS combined with chemometrics to discriminate recycled and virgin polyethylene

ZF Chen, QB Lin, B Dong, HN Zhong… - Journal of Hazardous …, 2022 - Elsevier
A growing attention is attracted to the use of recycled plastics as food contact materials, and
its chemical safety research and discrimination approach are indispensable. In current …

[HTML][HTML] Authentication of recycled plastic content in water bottles using volatile fingerprint and chemometrics

R Peñalver, C Marín, N Arroyo-Manzanares… - Chemosphere, 2022 - Elsevier
The environment is threatened by the continuously increasing volume of plastic residue.
Plastic recycling is an interesting alternative to mitigate this problem. However, recycled …

Characterization of odors and volatile organic compounds changes to recycled high-density polyethylene through mechanical recycling

SF Zeng, Y Zeng, P Guo, CY Hu, ZW Wang - Polymer Degradation and …, 2023 - Elsevier
The application of post-consumer recycled (PCR) plastics is gaining growing attention, yet,
the residual odor of recycled plastics hinders its application. In current study, electronic nose …

Rapid discrimination of recycled and virgin poly (ethylene terephthalate) based on non-targeted screening of semi-volatile organic compounds using a novel method …

TY Hao, X Xu, QB Lin, SL Wu, XF Wu, JL Hu… - Food Packaging and …, 2022 - Elsevier
Increasing interest has been given to the use of recycled poly (ethylene terephthalate)(PET)
as food contact materials. However, the use of recycled PET without decontamination in food …