Assertion: bromothymol blue | /r/ObjectUse | used as a model contaminant
Facets:
value: for free radical reactions
type: PURPOSE
Source sentences:
text: Bromothymol blue, a commonly deployed pH indicator , is used here as a model contaminant for free radical reactions, due to its stability in the presence of H 2 O 2 and its absorbance in the visible range at pH 6.