An investigation into possible sources of phthalate contamination in the environmental analytical laboratory

Antoinette M. Reid; Concepta A. Brougham; Andrew M. Fogarty; James J. Roche

doi:10.1080/03067310601071183

An investigation into possible sources of phthalate contamination in the environmental analytical laboratory

Antoinette M. Reid, Concepta A. Brougham, Andrew M. Fogarty, James J. Roche

Limerick Institute of Technology,

Research output: Contribution to journal › Article › peer-review

41 Citations (Scopus)

Abstract

A study of common laboratory equipment and components was performed in order to identify sources of contamination of phthalates prior to testing environmental samples for such compounds. A screening study revealed significant leaching from laboratory consumables, such as plastic syringes, pipette tips released maximum leachings of 0.36 μg cm^-2 diethylhexyl phthalate (DEHP) and 0.86 μg cm^-2 diisononyl phthalate (DINP), plastic filter holders produced maximum leachings of 2.49 μg cm^-2 dibutyl phthalate (DBP) from polytetrafluoroethylene (PTFE); specifically 0.61 μg cm^-2 DBP from regenerated cellulose and 5.85 μg cm^-2 dimethyl phthalate (DMP) from cellulose acetate and Parafilm® leached levels up to 0.50 μg cm^-2 DEHP. In addition, a high-temperature bake-out process was found necessary to eliminate quite high levels of two phthalates present in a commercial bulking agent for pressurized liquid extraction.

Original language	English
Pages (from-to)	125-133
Number of pages	9
Journal	International Journal of Environmental Analytical Chemistry
Volume	87
Issue number	2
DOIs	https://doi.org/10.1080/03067310601071183
Publication status	Published - Feb 2007

Keywords

Contamination
High-performance liquid chromatography
Phthalates

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10.1080/03067310601071183

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title = "An investigation into possible sources of phthalate contamination in the environmental analytical laboratory",

abstract = "A study of common laboratory equipment and components was performed in order to identify sources of contamination of phthalates prior to testing environmental samples for such compounds. A screening study revealed significant leaching from laboratory consumables, such as plastic syringes, pipette tips released maximum leachings of 0.36 μg cm-2 diethylhexyl phthalate (DEHP) and 0.86 μg cm-2 diisononyl phthalate (DINP), plastic filter holders produced maximum leachings of 2.49 μg cm-2 dibutyl phthalate (DBP) from polytetrafluoroethylene (PTFE); specifically 0.61 μg cm-2 DBP from regenerated cellulose and 5.85 μg cm-2 dimethyl phthalate (DMP) from cellulose acetate and Parafilm{\textregistered} leached levels up to 0.50 μg cm-2 DEHP. In addition, a high-temperature bake-out process was found necessary to eliminate quite high levels of two phthalates present in a commercial bulking agent for pressurized liquid extraction.",

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An investigation into possible sources of phthalate contamination in the environmental analytical laboratory

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Keywords

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