Re: Typesetting chemical reaction equations

[Hans Hagen <pragma@wxs.nl>]

Ville Voipio wrote:
> I would need to typeset some rather simple reaction equations. I do not 
> need the structural capabilities of PPCHTeX, just something simpler. The 
> thing I am writing has something to do with physical chemistry, so I 
> need mathematical equations, as well.
>
> Of course, the natural way to do this:
>
> \placeformula
> \startformula
>    \rm
>    NH_3(g) + H^+(aq.) + Cl^-(aq.) \rightarrow NH_4^+(aq.) + Cl^-(aq.)
> \stopformula
>
> This gives rather pleasant-looking results. However, is this the right 
> (i.e. kosher) way of doing things, or do I run into trouble at some 
> later point with this? What are you chemists using?
>
> And how do I switch off the equation numbering for the chemical 
> reactions (I'd like to have the mathematical formulae still numbered)?
>   
\usemodule[chemic]

\placeformula[-]
\startformula
   \chemical{NH_3(g),+,H^+(aq.),+,Cl^-(aq.),->,NH_4^+(aq.),+,Cl^-(aq.)}
\stopformula


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