@article{IUPAC+A00296+2025,
url = {https://doi.org/10.1351/goldbook.A00296},
institution = {International Union of Pure and Applied Chemistry (IUPAC)},
year = {2025},
title = {amount fraction <em>x</em> (<em>y</em> for gaseous mixtures)},
doi = {doi:10.1351/goldbook.A00296},
edition = {5.0.0}
}