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Fast and accurate methodology for direct mercury determination in hair and nails

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Fast and accurate methodology for direct mercury determination in hair and nails

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dc.contributor.author	Vicent, A.
dc.contributor.author	Cervera Sanz, Maria Luisa
dc.contributor.author	Morales Rubio, Ángel Enrique
dc.date.accessioned	2016-05-23T12:43:04Z
dc.date.available	2016-05-23T12:43:04Z
dc.date.issued	2015
dc.identifier.citation	Vicent, A. Cervera Sanz, Maria Luisa Morales Rubio, Angel Enrique 2015 Fast and accurate methodology for direct mercury determination in hair and nails Sample Preparation 2 1 91 98
dc.identifier.uri	http://hdl.handle.net/10550/53684
dc.description.abstract	A solvent-free, easy, fast and waste-free methodology was developed for the determination of total mercury levels in hair and nails. Samples were taken from several volunteers and directly analysed, with levels of mercury in the range between 0.5 and 8 ng/mg. The influence of quantity of hair, as well as the addition of small amount of solvent and the necessity of previous treatment were studied. Also, a history of mercury exposure was provided by the distance of the hair from the scalp of each volunteer, the results of which were correlated with fish consumption. Furthermore, a short study of mercury in nails was carried out and correlated to the results from hair mercury levels. A small quantity of 5 mg of hair with an addition of 50 μL of water to the sample without previous treatment was adequate to get a representative result in less than 10 minutes. The accuracy of the proposed method was confirmed by analysing certified reference materials including Coal Fly Ash-NIST SRM 1633b, Fucus-IAEA 140 and three unpolished Rice Flour NIES-10. The observed results were found to be in good agreement with the certified values.
dc.language.iso	eng
dc.relation.ispartof	Sample Preparation, 2015, vol. 2, num. 1, p. 91-98
dc.subject	Química analítica
dc.subject	Peixos
dc.subject	Alimentació
dc.title	Fast and accurate methodology for direct mercury determination in hair and nails
dc.type	journal article	es_ES
dc.date.updated	2016-05-23T12:43:05Z
dc.identifier.doi	10.1515/sampre-2015-0006
dc.identifier.idgrec	111722
dc.rights.accessRights	open access	es_ES