----- Original Message ----- From: "Frantisek Vlcek" Subject: Re: SV: Film and Development
> Hi, > at the lab I go to they used ethylalcohol to clean the really > cruddy negs the customer thomped upon (or whatever). Sometimes it > worked. Sometimes not. If the crud is embedded in the emulsion, you > are 90% out of luck. There are some commercial negative cleaners > made by Tetenal, but I believe them to be alcohol as well. Washing > the negative in distilled water wouldn't harm it either. > > Especially with the alcohol, try it out on some crap before :) If the neg is really dirty, washing in warm water and a mild detergent is a good solution, as detergent will remove grease (finger oil) better than dedicated film cleaners. Commercial film cleaners are a chemical called trichlorithene (the spelling may be wrong). William Robb
