@article{IUPAC+P04525+2025,
url = {https://doi.org/10.1351/goldbook.P04525},
institution = {International Union of Pure and Applied Chemistry (IUPAC)},
year = {2025},
title = {pH<sub>0.5</sub> or pH<sub>1/2</sub>},
doi = {doi:10.1351/goldbook.P04525},
edition = {5.0.0}
}