Design of a Flow-Through Voltammetric Sensor Based on an Antimony-Modified Silver Electrode for Determining Lithol Rubine B in Cosmetics

@article{Laihao2011DesignOA,
  title={Design of a Flow-Through Voltammetric Sensor Based on an Antimony-Modified Silver Electrode for Determining Lithol Rubine B in Cosmetics},
  author={Wang Laihao and Huang Shu-juan},
  journal={Journal of Automated Methods and Management in Chemistry},
  year={2011},
  volume={2011}
}
  • Wang Laihao, Huang Shu-juan
  • Published 2011
  • Chemistry, Medicine
  • Journal of Automated Methods and Management in Chemistry
  • Lithol Rubine B (LRB; the disodium salt of 3-hydroxy-4-[(4-methyl-2-sulfophenyl) azo]-2-naphthalenecarboxylic acid) was detected using high-performance liquid chromatography with an electrochemical (antimony film on silver) detector (HPLC-ECD). For direct current (DC) mode, with the current at a constant potential, and measurements with suitable experimental parameters, a linear concentration from 0.125 to 1.80 μg/mL was found. The detection limit of our method was approximately 2.0 ng/mL. An… CONTINUE READING
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