Deviations from ozone photostationary state during the International Consortium for Atmospheric Research on Transport and Transformation 2004 campaign: Use of measurements and photochemical modeling…

In reaction equations, why are j and k sometimes capitalized to J and K?

Posted by Kurt Hikes, at chemistry.stackexchange.com, 21 Feb 2021

From 'Leighton relationship' on Wikipedia: through the following mechanism:[2] ($J_1$) $$\ce{NO2 + h\nu (\lambda < 420 nm) → NO …