# [texhax] Units and chemistry

Thu Dec 29 11:11:35 CET 2011

Simmie, John wrote, On 2011-12-29 11:00:
> Gord
> You might not have problems writing chemistry in math mode
> and having chemical formulae in math italic but all
> professional chemists would have problems including
> the International Union of Pure and Applied Chemists IUPAC
> who set the global standards.
>
> So, in math mode you must use \mathrm{CH_3CH_2OH}
>

no, you use the mhchem package:

\ce{CH3CH2OH}

give you the same result ;-)

> And yes there must be a space (thinspace, ordinary)
> between the number and the unit because they have different properties;
> you wouldn't dream of writing 3cats or 16dogs right?
>

Is cat a unit? Giga cat ... damn scary

--

/daleif