<noinclude>{{lowercase title}}</noinclude>k<sub>ex</sub><noinclude>
{{Infobox model parameter| name = kex| param = <onlyinclude>k<sub>ex</sub></onlyinclude>| desc = The chemical exchange rate constant in .| equation = 1/{{:tex}}| units = rad.s<sup>-1</sup>.}}
[[Category:Relaxation dispersion analysis]]
[[Category:Relaxation dispersion parameters]]
</noinclude>