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  1. #21
    Robert Hall's Avatar
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    I have heard that the working solution is only good for a few hours. If that is the case, how long would the stock solution last?
    Robert Hall
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    Technology is not a panacea. It alone will not move your art forward. Only through developing your own aesthetic - free from the tools that create it - can you find new dimension to your work.

  2. #22
    Wolfgang Moersch's Avatar
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    Quote Originally Posted by RalphLambrecht View Post
    I didn't realize that much sodium sulfite would disolve in water. Couldn't you make this more me? I'm just on the other side of town.
    Ja klar, komm vorbei. Ist alles vorhanden.
    Heiss gelöst geht das schon. Man kann aber auch mit einem Liter Wasser starten, das macht den Kohl nicht fett.

  3. #23
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    Quote Originally Posted by Robert Hall View Post
    I have heard that the working solution is only good for a few hours. If that is the case, how long would the stock solution last?
    Robert

    I think your Weston quote has a spelling error. True?
    Regards

    Ralph W. Lambrecht
    www.darkroomagic.comrorrlambrec@ymail.com[/URL]
    www.waybeyondmonochrome.com

  4. #24
    Robert Hall's Avatar
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    Sie haben Rechts, danke mein Herr.
    Robert Hall
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    Technology is not a panacea. It alone will not move your art forward. Only through developing your own aesthetic - free from the tools that create it - can you find new dimension to your work.

  5. #25
    RalphLambrecht's Avatar
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    I guess Edward was right, it's hard work to be perfect (I'm still working on it). This gave me a chance to look at your work. Very impressive!!!
    Regards

    Ralph W. Lambrecht
    www.darkroomagic.comrorrlambrec@ymail.com[/URL]
    www.waybeyondmonochrome.com

  6. #26
    Robert Hall's Avatar
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    Thank you Ralph, I hope to have the chance to say hello in person one day.

    Regards,
    Robert Hall
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    Technology is not a panacea. It alone will not move your art forward. Only through developing your own aesthetic - free from the tools that create it - can you find new dimension to your work.

  7. #27
    Wolfgang Moersch's Avatar
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    Quote Originally Posted by Robert Hall View Post
    I have heard that the working solution is only good for a few hours. If that is the case, how long would the stock solution last?
    Right. Pure solutions of sodium sulfite are not stable, the effectiveness (as antioxidanz) halves itself after approximately one week. Solutions of developer and sulfite lean mutually. For the use as HCA, this quality is not important. Selfmade HCA is rather cheap, more than 20-30 11x14 prints per day is rare to do, but with less than ten prints, the capacity of one liter is not exhausted. The solution could be used without disadvantages on the following day.
    The concentrate will last some weeks or more. The Bisulfit stabilizes, the acid additions lower the pH level. The exchange of hypo against sulfite also works with older (stock) solution.

    Sorry for the lacking linguistic elegance, I am without practice.

    Regards
    wm

  8. #28
    Ole
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    Quote Originally Posted by Wolfgang Moersch View Post
    Sorry for the lacking linguistic elegance, I am without practice.
    No need to apologise - we see worse that that every day (from Americans, mostly).

    Happy to see you here - I'm going to pick your brain over some odd developers one of these days!
    -- Ole Tjugen, Luddite Elitist
    Norway

  9. #29
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    ole, u shudnt b dissing like Americans and stuff. we learn to rite 'n think like lindsey lohan all like from hart an stuff.
    juan

  10. #30
    Robert Hall's Avatar
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    Thank you for your reply.

    I agree with Ole as well, I need to watch my English as much as my German.

    Robert Hall
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    Technology is not a panacea. It alone will not move your art forward. Only through developing your own aesthetic - free from the tools that create it - can you find new dimension to your work.

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