pH-rate profile

https://doi.org/10.1351/goldbook.P04660
A plot of @O04322@, or more usually its decadic logarithm, against pH of solution, other variables being kept constant.
Source:
PAC, 1994, 66, 1077. (Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)) on page 1150 [Terms] [Paper]