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Article ? AI-assigned paper type based on the abstract. Classification may not be perfect — flag errors using the feedback button. Tier 2 ? Original research — experimental, observational, or case-control study. Direct primary evidence. Detection Methods Environmental Sources Food & Water Sign in to save

Comparison of Two Extraction Procedures, SPE and DLLME, for Determining Plasticizer Residues in Hot Drinks at Vending Machines

Processes 2021 8 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 30 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Cristina Di Fiore, Cristina Di Fiore, Cristina Di Fiore, Cristina Di Fiore, Ivan Notardonato, Alessia Iannone, Alessia Iannone, Alessia Iannone, Cristina Di Fiore, Alessia Iannone, Alessia Iannone, Cristina Di Fiore, Cristina Di Fiore, Ivan Notardonato, Cristina Di Fiore, Cristina Di Fiore, Alessia Iannone, Cristina Di Fiore, Cristina Di Fiore, Cristina Di Fiore, Pasquale Avino Sergio Passarella, Sergio Passarella, Alessia Iannone, Pasquale Avino Alessia Iannone, Pasquale Avino Pasquale Avino Alessia Iannone, Alessia Iannone, Mario Vincenzo Russo, Alessia Iannone, Alessia Iannone, Cristina Di Fiore, Pasquale Avino Pasquale Avino Pasquale Avino Pasquale Avino Alessia Iannone, Carmela Protano, Carmela Protano, Cristina Di Fiore, Cristina Di Fiore, Matteo Vitali, Pasquale Avino Mario Vincenzo Russo, Mario Vincenzo Russo, Pasquale Avino Pasquale Avino Pasquale Avino Pasquale Avino Pasquale Avino Carmela Protano, Matteo Vitali, Pasquale Avino Pasquale Avino

Summary

This study compared two laboratory extraction methods for detecting phthalate plasticizers in hot drinks from vending machines. Both coffee and tea samples contained phthalates that likely leached from plastic components in the machines, with potential health implications for regular consumers.

This paper would like to compare two extraction procedures for analyzing phthalates (PAEs) in hot drinks collected at vending machines, usually coffee and tea. The two analytical procedures are based on Solid Phase Extraction (SPE) using C18 cartridge and on dispersive liquid-liquid microextraction (DLLME) assisted by ultrasound and vortex for improving the dispersion mechanically, with each followed by a routinary analytical method such as GC-FID. Seven phthalates (DMP, DEP, DiBP, DBP, DEHP, DOP, DDP) have been analyzed and determined. All the analytical parameters (i.e., recovery, limit of detection, limit of quantification, enrichment factors, repeatability, reproducibility) have been investigated and discussed, as has the matrix effect. The entire procedure has been applied to hot drink matrices, e.g., coffee, decaffeinated coffee, barley coffee, ginseng coffee and tea.

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