----- Original Message ----- From: "Mark Cassino" Subject: Re: Chemistry Q's
> > There seems to be a common thread of high contrast in this stuff. He also > had some Kalt special effects film (ISO - 6) and "Title" film. Both of those are kissing cousins to lithographic film. > > > > > > > Kodak Film Cleaner: > > > >Basic film cleaner, most are trichlorethylene or some such. Always wipe in a > >straight line along the film, don't wipe in circles. > > Is it for the emulsion side, non-emulsion side, or both? For both sides. The stuff is great at taking fresh finger prints off of the emulsion, so keep it around for the inevitable screw up. > > I've cleaned slides and negs on the non-emulsion slide with just a drop of > distilled water on a swab. Seems safer.... Yer a pansy.... I dump em into a sink of soapy water and wash em that way..... > >Sift the powder into a mixing bowl, then measure how many teaspoons of > >powder there are. Divide the powder into 5 equal amounts and store each > >portion in a Baggie. > > I've been told that a lot of photo chemicals in bags are like a cake mix - > different dry chemicals dumped into the bag but not mixed up uniformly - > making it all but impossible to get decent results by dividing the dry > chemisty. Is hypo a homogenous chemical or do I have to really mix it up > before dividing it. I would mix it on general principles, thats why I mentioned sifting the stuff, though I am pretty sure it is a homogenous product. > > >Any of the cyanide compounds should probably be dealt with as a hazardous > >material. > > Yeah - definitely! If you live near a Great Lake, just dump it in. Thats what the big boys do. (I wish I was kidding....) William Robb
