A paper platform for colorimetric determination of aluminum hydrochloride in antiperspirant samples.
Spectrochim Acta A Mol Biomol Spectrosc
; 204: 432-435, 2018 Nov 05.
Article
em En
| MEDLINE
| ID: mdl-29966896
A simple, fast, low-cost, portable, and eco-friendly method using a spot test on a paper platform, together with diffuse reflectance spectroscopy, was developed and validated for the quantification of aluminum hydrochloride, a potential neurotoxic agent, in antiperspirant samples. The determination of aluminum hydrochloride was performed at a wavelength of 615â¯nm, by measuring consumption of the purple colorimetric reagent Alizarin S, due to reaction with aluminum. The linear range was from 10.0 to 125.0â¯mgâ¯L-1 and could be described by the equation: ARâ¯=â¯0.4479â¯-â¯0.002543 CAl (Râ¯=â¯0.999). The limits of detection (LOD) and quantification (LOQ) were 3.06 and 10.2â¯mgâ¯L-1, respectively. The method was specific, accurate, and repeatable, with relative standard deviation (RSD) <5.0%. The recovery was between 92.2 and 103.4%. The method was successfully used for the determination of aluminum hydrochloride in commercial antiperspirant samples, revealing concentrations below the maximum permitted by current legislation.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Cloretos
/
Colorimetria
/
Compostos de Alumínio
/
Antiperspirantes
Tipo de estudo:
Prognostic_studies
Idioma:
En
Revista:
Spectrochim Acta A Mol Biomol Spectrosc
Assunto da revista:
BIOLOGIA MOLECULAR
Ano de publicação:
2018
Tipo de documento:
Article
País de afiliação:
Brasil
País de publicação:
Reino Unido