[NTG-context] Typesetting chemical reaction equations

[Hans Hagen]

Ville Voipio wrote:
>> \usemodule[chemic]
>>
>> \placeformula[-]
>> \startformula
>>    \chemical{NH_3(g),+,H^+(aq.),+,Cl^-(aq.),->,NH_4^+(aq.),+,Cl^-(aq.)}
>> \stopformula
>>     
>
> Dank u!
>   
Graag gedaan 

btw, this is documented in the ppchtex manual

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