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cliveh
16th December 2010, 09:39 PM
On my darkroom wall I have a Periodic Table, which I sometimes find useful when working with alternative processes or experimenting with halogen based formulations. If you are making up chemical solutions it can be helpful to see where some elements sit with those of similar characteristics.

allenmarton
11th December 2012, 11:19 AM
hi
nice posts,i like this forum .