Absorbance spectrum of bromocresol green at different pH values.
2.
The general carbon skeleton of bromothymol blue is common to many indicators including chlorophenol red, thymol blue, and bromocresol green.
3.
An ethanol solution ( 0.04 wt % ) of bromocresol green has been proposed for TLC staining and is suitable for visualisation of the compounds with functional groups whose p " K " a is below 5.0 ( carboxylic acids, sulfonic acids, etc . ).
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