DETERMINAÇÃO DE ENXOFRE EM SHAMPOO POR ESPECTROFOTOMETRIA UV-VIS: AVALIAÇÃO DE MÉTODOS DE PREPARO DE AMOSTRAS

DETERMINAÇÃO DE ENXOFRE EM SHAMPOO POR ESPECTROFOTOMETRIA UV-VIS: AVALIAÇÃO DE MÉTODOS DE PREPARO DE AMOSTRAS

Dry ashing, dissolution in aqueous medium or wet digestion methods were evaluated for sample preparation of shampoo for the subsequent indirect determination of sulfur by UV-Vis spectrophotometry. Among the sample preparation methods evaluated, microwave-assisted wet digestion using 7 mol L-1 HNO3 w...

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Bibliographic Details
Main Authors:	Natalia J. Bielemann, Diogo L. R. Novo, Rodrigo M. Pereira, Julia E. Mello, Vanize C. Costa, Marcia F. Mesko
Format:	Article
Language:	English
Published:	Sociedade Brasileira de Química
Series:	Química Nova
Subjects:	sulfur determination shampoo sample preparation microwave-assisted wet digestion UV-Vis spectrophotometry
Online Access:	http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422017000700785&lng=en&tlng=en

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