Evaluation of Concentration and Reaction Kinetics through Color Analyses
- Authors
- Lee, Euna; Chang, Ji Woong
- Issue Date
- Jun-2022
- Publisher
- KOREAN SOC INDUSTRIAL & ENGINEERING CHEMISTRY
- Keywords
- Color space; Color analysis; Resazurin; Resorufin; Catalysis
- Citation
- APPLIED CHEMISTRY FOR ENGINEERING, v.33, no.3, pp 279 - 283
- Pages
- 5
- Journal Title
- APPLIED CHEMISTRY FOR ENGINEERING
- Volume
- 33
- Number
- 3
- Start Page
- 279
- End Page
- 283
- URI
- https://scholarworks.bwise.kr/kumoh/handle/2020.sw.kumoh/28418
- DOI
- 10.14478/ace.2022.1024
- ISSN
- 1225-0112
1228-4505
- Abstract
- UV-vis spectroscopy is one of the powerful tools for measuring the concentrations of reactant and products during a chemical reaction. However, there is an limitation of using the technique when the reaction undergoes in high concentration and high temperature. Color analysis using camera images can provide the identical results with UV-vis analysis with regardless of the sample concentration and temperature. The catalytic reduction reaction of resazurin to resorufin was investigated using the color analysis with the color spaces such as CIE L*a*b*. Moreover, the color analysis enabled the independent analysis of two different material's concentrations without the deconvolution of overlapped wavelengths unlike the case of using UV-vis spectroscopy.
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