Input interpretation
indicators | changing color at pH 7
Results
indicator | pH range alizarin | 5.6 to 7.2 (yellow to red) | 11.0 to 12.4 (red to purple) bromothymol blue | 6.0 to 7.6 (yellow to blue) brilliant yellow | 6.6 to 7.8 (yellow to red) phenol red | 6.6 to 8.0 (yellow to red) neutral red | 6.8 to 8.0 (red to amber) 3-nitrophenol | 6.8 to 8.6 (colorless to yellow) o-cresol red | 0 to 1.0 (red to yellow) | 7.0 to 8.8 (yellow to red)