The Effect of pH on the Spectrum of BTB

The Effect of pH on the Spectrum of BTB

A solution of the pH indicator bromothymol blue (BTB) changes color according to pH. Shining white light through a BTB solution reveals a spectrum that changes when the pH changes.

Topics

  • pH
  • proton concentration
  • solution
  • acid
  • acidity
  • pH scale
  • interactive
  • measuring
  • pH value
  • indicator
  • pH indicator BTB
  • bromothymol blue
  • photosynthesis
  • carbon dioxide
  • carbonic acid
  • spectrum
  • wavelength
  • absorbance