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  1. #11
    Herzeleid's Avatar
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    What happens to the PH if sodium thiosulfate is mixed with acetic acid, metabisulphite or sodium sulfate? Will it be good for pyro developed negatives then?

  2. #12

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    rice fixer

    Quote Originally Posted by dancqu View Post
    Anhydrous finely granular, penta coarsely.
    The penta is about 1/3 water and endothermic.

    With prints I use sodium thiosulfate very dilute
    one-shot. Minimum solution volumes help maintain
    good chemical mileage and reasonable times.

    Works well when single tray processing; great where
    short of space. A BIG plus with prints and likely film
    is the very low levels of silver in the fix;
    'archival' levels. Dan
    Thanks Dan,I'm just starting to use it now with selenium toning on advise from a printing class . All though still using Formulary T5 fixer for film.

  3. #13
    juan's Avatar
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    I mix TF-2 for pyro negatives - 240g sodium thiosulfate, 15g sodium sulfite, 10g sodium metaborate in a liter of water. This will keep for a good while.
    juan

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