Amidol is used almost exclusively as a paper developer. Since paper developers develop to completion it might be hard to notice that a portion of the Amidol had oxidized. -----Original Message----- From: pure-silver-bounce@xxxxxxxxxxxxx [mailto:pure-silver-bounce@xxxxxxxxxxxxx] On Behalf Of Frank Filippone Sent: Tuesday, November 29, 2005 2:24 PM To: pure-silver@xxxxxxxxxxxxx Subject: [pure-silver] Re: D-76 and variations 100 year old Amidol is still being used , and is still "good". Amidol ( pre mixed powder) is very stable. It does turn color, but it is still good. Frank Filippone red735i@xxxxxxxxxxxxx Phenidone solid is quite stabile and in the same class as hydroquinone and Metol as opposed to Amidol and Glycin. ======================================================================== ===================================== 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. ============================================================================================================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.