What is the original color of bromothymol blue (BTB)? | ResearchGate
The art of Chemistry - ☆Universal Indicator☆ #A_Universal_Indicator is a solution that contains a mixture of indicators, often phenolphthalein, methyl red and bromothymol blue. Identification of an approximate pH is obtained by
Absorption spectra of bromothymol blue at different pH range of (5, 7... | Download Scientific Diagram
science chemistry acid base indicator bromothymol blue | Fundamental Photographs - The Art of Science