Photocatalytic decoloration of Coomassie Brilliant Blue with titanium oxide

Saeed B. Bukallah, M. A. Rauf, S. Salman Ashraf

Research output: Contribution to journalArticlepeer-review

52 Scopus citations

Abstract

Coomassie Brilliant Blue dye was subjected to UV radiation in the presence of titanium oxide. The change in the color of the dye was monitored spectrophotometrically. The apparent rate of decolorization was calculated from the observed data and was found to fit the first order equation. The added amounts of Zn2+ ions caused a decrease in dye decoloration. A plausible explanation involving the radical initiated reaction is forwarded. Langmuir-Hinshelwood model was also used to describe the photocatalytic kinetics of the dye.

Original languageBritish English
Pages (from-to)353-356
Number of pages4
JournalDyes and Pigments
Volume72
Issue number3
DOIs
StatePublished - 2007

Keywords

  • Coomassie Blue
  • Photocatalysis
  • Titanium oxide

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