Development of a robust method for the determination of fluorine in liquid petroleum products

A robust method for the determination of total fluorine in liquid petroleum products is developed. The methodology is based on the oxidative pyrohydrolytic combustion of the sample, followed by the analysis of the evolved gases absorbed in an absorbing solution by ion chromatography. The detection l...

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Autores principales: María Fernanda Gazulla, Marta Rodrigo, María Jesús Ventura, Cristina Andreu, Mónica Orduña
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Lenguaje:EN
Publicado: Elsevier 2021
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Acceso en línea:https://doaj.org/article/2fb10767cf504d90b85265e538f7490d
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spelling oai:doaj.org-article:2fb10767cf504d90b85265e538f7490d2021-11-12T04:32:21ZDevelopment of a robust method for the determination of fluorine in liquid petroleum products2211-715610.1016/j.rechem.2021.100235https://doaj.org/article/2fb10767cf504d90b85265e538f7490d2021-01-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2211715621001405https://doaj.org/toc/2211-7156A robust method for the determination of total fluorine in liquid petroleum products is developed. The methodology is based on the oxidative pyrohydrolytic combustion of the sample, followed by the analysis of the evolved gases absorbed in an absorbing solution by ion chromatography. The detection limit reached for fluorine is 0.5 mg·kg−1 and the quantification limit is 1.4 mg·kg−1, thanks to the optimisation of different variables: combustion variables (temperature and time), sampling loop, and sample weight. The validation process has been developed by calculation of the uncertainty of the measurement and the analysis of spiked samples as there are no certified reference materials. The new methodology set up permits the determination of fluorine over organic materials from the refining industry of different matrices such as fuel oil, acid soluble oil, etc., containing from very low to high fluorine concentrations in a relatively short time, which makes the methodology suitable to be used as a control method. With this methodology, there is no need of sample preparation which implies the no use of acids for that, thus being environmentally friendly.María Fernanda GazullaMarta RodrigoMaría Jesús VenturaCristina AndreuMónica OrduñaElsevierarticleFluorineFuel oilOxidative pyrohydrolitic combustionChemistryQD1-999ENResults in Chemistry, Vol 3, Iss , Pp 100235- (2021)
institution DOAJ
collection DOAJ
language EN
topic Fluorine
Fuel oil
Oxidative pyrohydrolitic combustion
Chemistry
QD1-999
spellingShingle Fluorine
Fuel oil
Oxidative pyrohydrolitic combustion
Chemistry
QD1-999
María Fernanda Gazulla
Marta Rodrigo
María Jesús Ventura
Cristina Andreu
Mónica Orduña
Development of a robust method for the determination of fluorine in liquid petroleum products
description A robust method for the determination of total fluorine in liquid petroleum products is developed. The methodology is based on the oxidative pyrohydrolytic combustion of the sample, followed by the analysis of the evolved gases absorbed in an absorbing solution by ion chromatography. The detection limit reached for fluorine is 0.5 mg·kg−1 and the quantification limit is 1.4 mg·kg−1, thanks to the optimisation of different variables: combustion variables (temperature and time), sampling loop, and sample weight. The validation process has been developed by calculation of the uncertainty of the measurement and the analysis of spiked samples as there are no certified reference materials. The new methodology set up permits the determination of fluorine over organic materials from the refining industry of different matrices such as fuel oil, acid soluble oil, etc., containing from very low to high fluorine concentrations in a relatively short time, which makes the methodology suitable to be used as a control method. With this methodology, there is no need of sample preparation which implies the no use of acids for that, thus being environmentally friendly.
format article
author María Fernanda Gazulla
Marta Rodrigo
María Jesús Ventura
Cristina Andreu
Mónica Orduña
author_facet María Fernanda Gazulla
Marta Rodrigo
María Jesús Ventura
Cristina Andreu
Mónica Orduña
author_sort María Fernanda Gazulla
title Development of a robust method for the determination of fluorine in liquid petroleum products
title_short Development of a robust method for the determination of fluorine in liquid petroleum products
title_full Development of a robust method for the determination of fluorine in liquid petroleum products
title_fullStr Development of a robust method for the determination of fluorine in liquid petroleum products
title_full_unstemmed Development of a robust method for the determination of fluorine in liquid petroleum products
title_sort development of a robust method for the determination of fluorine in liquid petroleum products
publisher Elsevier
publishDate 2021
url https://doaj.org/article/2fb10767cf504d90b85265e538f7490d
work_keys_str_mv AT mariafernandagazulla developmentofarobustmethodforthedeterminationoffluorineinliquidpetroleumproducts
AT martarodrigo developmentofarobustmethodforthedeterminationoffluorineinliquidpetroleumproducts
AT mariajesusventura developmentofarobustmethodforthedeterminationoffluorineinliquidpetroleumproducts
AT cristinaandreu developmentofarobustmethodforthedeterminationoffluorineinliquidpetroleumproducts
AT monicaorduna developmentofarobustmethodforthedeterminationoffluorineinliquidpetroleumproducts
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