Hello,
In Belgium, you can order raw chemicals from the following website:
http://www.photogramme.org/textes/catalogue.htm – A wide range of products, delivered easily and without any fuss, even in small quantities.
If you have the opportunity to visit Liège, there is a shop there that also has a wide range of products and delivers the desired quantity to private customers without any fuss:
Ets. Pierre Radermecker - Interchimie S.A. Telephone +32 41 27 53 18
Address: Rue des Steppes 103-109, B-4000 Liège (no website)
It would of course help if you could get in touch in French :-)
(A bit like I’m trying to do here, using my best German...)
Bye,
Jacques