Computing...

Input interpretation:

indicators | changing color at pH 9


Results:

indicator | pH range\nThymol Blue | 1.2 to 2.8 (red to yellow)  |  8.0 to 9.6 (yellow to blue)\np-naphtholbenzein | 8.2 to 10.0 (orange to blue)\nphenolphthalein | 8.2 to 10.0 (colorless to pink)\no-cresolphthalein | 8.2 to 9.8 (colorless to red)

Source information
Contact Pro Premium Expert Support