[pure-silver] Re: Paraformaldehyde/Acetone in lith developers
- From: Ray Rogers <earthsoda@xxxxxxxxx>
- To: pure-silver@xxxxxxxxxxxxx
- Date: Mon, 1 Mar 2010 21:35:45 -0800 (PST)
???
1,2-dihydroxybenzene vs. 1,4-Dihdroxybenzol
???
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re:
Catechol and 1,4-Dihdroxybenzol
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