Size of this preview: 245 × 479 pixels. Other resolutions: 123 × 240 pixels | 245 × 480 pixels. Full resolution (original file) (800 × 1,564 pixels, file size: 116 KB, MIME type: image/jpeg) About File History Licensing Either: This file was originally uploaded or has been uploaded into the public domain, or it has been more than 50 years since its author has passed away. Appears on these pages of Bromothymol Blue Bromothymol Blue is a pH indicator. Bromothymol blue acts as a weak acid in a water solution. It... PH indicator A pH indicator is a substance that changes its color at a certain pH. pH stands for power of... File history Click on a date/time to view the file as it appeared at that time. Date/TimeThumbnailDimensionsUserComment current02:54, December 26, 2017800 × 1,564 (116 KB)JoeyPknowsalotaboutthat (Talk | contribs) Retrieved from "http://everythingyouneedtoknowaboutscience.wikia.com/wiki/File:800px-Bleu_bromothymol_teintes.jpg?oldid=279"