Forensic investigation of formaldehyde in illicit products for hair treatment by dad‐hplc: a case study

Show simple item record Okumura, Leonardo L. Oiye, Erica N. Ribeiro, Maria Fernanda M. Saczk, Adelir A. Ciancaglini, Pietro Oliveira, Marcelo F. de 2018-05-17T17:34:17Z 2018-05-17T17:34:17Z 2016-02-29
dc.identifier.issn 1556-4029
dc.description.abstract The illegal use of formalin (commercial formaldehyde) in cosmetic products harms the health of individuals exposed to this substance. Over the last years, the commercial availability of these products, especially those containing irregular dosage of formaldehyde, has increased in Brazil. This work analyzes some products for hair treatment available in the Brazilian market and verifies their safety. The adopted analytical methodology involved sample derivatization with 2,4‐dinitrophenylhydrazine, followed by high‐performance liquid chromatography with ultraviolet detection (UV–VIS) at λ = 365 nm. The limit of quantification is 2.5 × 10−3% w/w, and the recovery tests were around 93%. Some of the samples contained high and illegal formaldehyde levels ranging from 9% to 19% (w/w) and others presented suitable concentrations of the analyte. On the basis of the results, this work discusses the efficiency and practicality of this analytical method for forensic purposes. en
dc.format pdf pt-BR
dc.language.iso eng pt-BR
dc.publisher Journal of Forensic Sciences pt-BR
dc.relation.ispartofseries Volume 61, Issue 4, Pages 1122-1125, July 2016 pt-BR
dc.rights Open Access pt-BR
dc.subject Forensic science pt-BR
dc.subject Formaldehyde pt-BR
dc.subject Hair straightening pt-BR
dc.subject High-performance liquid chromatography pt-BR
dc.subject Forensic chemistry pt-BR
dc.subject 2,4-dinitrophenylhydrazine pt-BR
dc.title Forensic investigation of formaldehyde in illicit products for hair treatment by dad‐hplc: a case study en
dc.type Artigo pt-BR

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    Artigos Técnico-científicos na área de Química

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