ABSTRACT. A method for the extraction of phthalate esters (PAEs) by Ultrasound-Vortex-Assisted Dispersive Liquid-Liquid Micro-Extraction (USVADLLME) approach was optimised and applied for the first time to a historical series of brandies. These contaminants are widely spread in the environment as a consequence of about half century of use in different fields of applications. The concern about these substances and the recent legal restrictions of China in distillates import need a quick and sensitive method for their quantification. The proposed method, moreover, is environmentally oriented due to the disposal of micro-quantities of solvent required. In fact, sub-ppm-limits of detection were achieved with a solvent volume as low as 160 lL. The analysed samples were within the legal limits, except for some very ancient brandies whose contamination was probably due to a PAEs concentration effect as a consequence of long ageing and for the use of plastic pipelines no more operative.

Determination of phthalte esters by ultrasound-vortex-assisted dispersive liquid-liquid micro-extraction (USVADLLME) coupled with gas chromatography/mass spectrometry / Montevecchi, Giuseppe; Masino, Francesca; Zanasi, Luca; Antonelli, Andrea. - In: FOOD CHEMISTRY. - ISSN 0308-8146. - 221:(2017), pp. 1354-1360. [10.1016/j.foodchem.2016.11.019]

Determination of phthalte esters by ultrasound-vortex-assisted dispersive liquid-liquid micro-extraction (USVADLLME) coupled with gas chromatography/mass spectrometry.

MONTEVECCHI, Giuseppe;MASINO, Francesca;ANTONELLI, Andrea
2017

Abstract

ABSTRACT. A method for the extraction of phthalate esters (PAEs) by Ultrasound-Vortex-Assisted Dispersive Liquid-Liquid Micro-Extraction (USVADLLME) approach was optimised and applied for the first time to a historical series of brandies. These contaminants are widely spread in the environment as a consequence of about half century of use in different fields of applications. The concern about these substances and the recent legal restrictions of China in distillates import need a quick and sensitive method for their quantification. The proposed method, moreover, is environmentally oriented due to the disposal of micro-quantities of solvent required. In fact, sub-ppm-limits of detection were achieved with a solvent volume as low as 160 lL. The analysed samples were within the legal limits, except for some very ancient brandies whose contamination was probably due to a PAEs concentration effect as a consequence of long ageing and for the use of plastic pipelines no more operative.
4-nov-2016
221
1354
1360
Determination of phthalte esters by ultrasound-vortex-assisted dispersive liquid-liquid micro-extraction (USVADLLME) coupled with gas chromatography/mass spectrometry / Montevecchi, Giuseppe; Masino, Francesca; Zanasi, Luca; Antonelli, Andrea. - In: FOOD CHEMISTRY. - ISSN 0308-8146. - 221:(2017), pp. 1354-1360. [10.1016/j.foodchem.2016.11.019]
Montevecchi, Giuseppe; Masino, Francesca; Zanasi, Luca; Antonelli, Andrea
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11380/1132580
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