Jim, I ordered through Fluka (Sigma Aldrich), but I work in a lab, so that might be of no use. You might inquire at the Formulary, or else follow this link: http://www.michaelandpaula.com/mp/AzoForum/one.asp?ID=10211&PgNo=&GID=10211&CID=5 There is some discussion on the suplier. In another thread there is mentioned that the developer should be diluted 1:1... Best, Cor -----Original Message----- From: pure-silver-bounce@xxxxxxxxxxxxx on behalf of Jim Brick Sent: Mon 18/02/2008 20:30 To: pure-silver@xxxxxxxxxxxxx Subject: [pure-silver] Re: Old Paper Developer Question Where can one get Chlor-hydroquinone? Thanks, Jim On Feb 18, 2008, at 12:13 AM, <C.Breukel@xxxxxxx> <C.Breukel@xxxxxxx> wrote: > I have had good sucses with adding benzotriazole to the developper. It > seems there is a developper that is supposed to give fog free prints > on > outdated paper. It contains chlorohydroquinone, it's called Defender > 58-D, : > > Defender 58-D > Water 750ml > Sodium Sulfite 16.0grams > Chlor-hydroquinone 4.0grams > Sodium Carbonate 16.0Grams > Potassium Bromide 0.6grams > Water to make 1Liter > > I have not tried it myself (yet) > > Best, > > Cor ============================================================================================================= To unsubscribe from this list, go to www.freelists.org and logon to your account (the same e-mail address and password you set-up when you subscribed,) and unsubscribe from there.