2013
DOI: 10.1080/00032719.2012.710868
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Simple Method for Determination of Lead in Hair Dyes Using Slurry Sampling Graphite Furnace Atomic Absorption Spectrometry

Abstract: A fast, simple and sensitive method for determining of lead in hair dyes using graphite furnace atomic absorption spectrometry with slurry sampling was developed. Multivariate optimization was used to establish optimal analytical parameters through a fractional factorial and a central composite design. The samples were submitted for direct analysis without prior digestion and were diluted in 2.5% v/v HNO 3 and 1.5% v/v H 2 O 2 . Palladium (chemical modifier) and rhodium (permanent modifier) were selected from … Show more

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Cited by 7 publications
(4 citation statements)
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“…5 and 6). According to Soares and Nascentes [41] and Sharafi et al [42], cream dye has 19.9 g/g and 187 g/g, dust dye has 14.0 g/g and 100 g/g, liquid dye has 1.00 g/g and 11.3 g/g, and hair dye has 55.3 g/g and 72.2 g/g.…”
Section: Lead (Pb)mentioning
confidence: 99%
“…5 and 6). According to Soares and Nascentes [41] and Sharafi et al [42], cream dye has 19.9 g/g and 187 g/g, dust dye has 14.0 g/g and 100 g/g, liquid dye has 1.00 g/g and 11.3 g/g, and hair dye has 55.3 g/g and 72.2 g/g.…”
Section: Lead (Pb)mentioning
confidence: 99%
“…É um dos contaminantes mais comuns ao meio ambiente (SOARES et al, 2013) O chumbo é conhecido por afetar o corpo inteiro, absorvido no plasma sanguíneo, facilmente transportado e acumulado em tecidos do corpo. No sangue, de 95 a 99% do chumbo é sequestrado pelos glóbulos vermelhos, interagindo com a hemoglobina e perturbando sua síntese, fatores que podem levar à anemia, à lise das hemoglobinas existente, deficiência de ferro (PATOCKA et al, 2003;RESTREPO, 2007).…”
Section: Referencial Teóricounclassified
“…No caso da identificação de alguns metais o FAAS e o ICP-OES não fornecem uma sensibilidade adequada para as concentrações das amostras, enquanto o ICP-MS e o GFAAS têm melhores limites de detecção e permitem a utilização de amostras pequenas (ORESTE et al 2013). Seus limites de detecção alcançam valores de µg/L até ng/L além de ter uma alta tolerância a matrizes complexas (SOARES et al, 2013).…”
Section: Equipamentosunclassified
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