Evaluation of Sample Preparation Procedures for Determination of Cr(VI) in Cr 2 O 3 Pigments by Vis Spectrophotometry

Éder José dos Santos,Mateus Sabatke,Amanda Beatriz Herrmann,Ralph E. Sturgeon

Evaluation of Sample Preparation Procedures for Determination of Cr(VI) in Cr 2 O 3 Pigments by Vis Spectrophotometry

2021

Éder José dos Santos
Mateus Sabatke
Amanda Beatriz Herrmann
Ralph E. Sturgeon

HIGHLIGHTS Different preparation procedures were investigated to selectively determine Cr(VI) in Cr2O3. A robust method was developed for detection of Cr(VI) in Cr2O3 pigments for use in cosmetics products. Method validation demonstrated accuracy and precision.

Keywords:

Accuracy and precision
Pigment
Sample preparation
Preparation procedures
Chromatography
Materials science
Cosmetics
Spectrophotometry

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