RE: LC-1 developer question
Indeed in this particular case, my concern/question was not whether David de-oxygenzting the water but whether he dissolved all the sulfite first, which would make his dissolving of Metol difficult. David? Dave > -----Original Message----- > From: Richard Knoppow [mailto:dickburk@ix.netcom.com] > Sent: Sunday, March 30, 2008 2:29 AM > To: alt-photo-process-l@usask.ca > Subject: Re: LC-1 developer question > > > > -----Original Message----- > >From: Ryuji Suzuki <rs@silvergrain.org> > >Sent: Mar 29, 2008 10:39 PM > >To: alt-photo-process-l@usask.ca > >Subject: Re: LC-1 developer question > > > >There are a lot of things that don't really matter in real > life and if > >you look at old literature you'll find a lot of them. > > > >Both Metol and sulfite can react with molecular oxygen dissolved in > >water, but in reality, the rate of that oxidation reaction is rather > >slow. Compounds that react with oxygen fast are not very useful as a > >developer preservative. > > > >It doesn't really make much difference regardless of which gets > >dissolved first, since a pinch of sulfite is not > > To clarify, I assume you mean in terms of the > de-oxgenating the water since dissolving the sulfite first > makes dissolving the Metol difficult. >
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