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  1. #41
    fotch's Avatar
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    Reminds me of the arguments regard seat belts or motorcycle helmets.
    Items for sale or trade at www.Camera35.com

  2. #42

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    So, silver comes from the ground but can't go back in... ?
    - Bill Lynch

  3. #43

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    Quote Originally Posted by wblynch View Post
    So, silver comes from the ground but can't go back in... ?
    I've got an uncle that tells me the same thing about used motor oil as he pours the container of used oil on his fire pit in his back yard every time I help him change his oil
    "I have captured the light and arrested its flight! The sun itself shall draw my pictures!"

    -Louis Daguerre, 1839-

  4. #44

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    So if I lose my ring it will pollute the Earth?
    - Bill Lynch

  5. #45

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    Quote Originally Posted by wblynch View Post
    So if I lose my ring it will pollute the Earth?
    it really depends who you talk to

  6. #46
    MattKing's Avatar
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    Quote Originally Posted by wblynch View Post
    So if I lose my ring it will pollute the Earth?
    Depends if you are Sauron.
    Matt

    “Photography is a complex and fluid medium, and its many factors are not applied in simple sequence. Rather, the process may be likened to the art of the juggler in keeping many balls in the air at one time!”

    Ansel Adams, from the introduction to The Negative - The New Ansel Adams Photography Series / Book 2

  7. #47
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    Quote Originally Posted by revdocjim View Post
    So I wonder how much silver was in that 5 liter jug of fixer that I recently threw out. I developed more than 25 rolls of 120 film in it!
    25 rolls is only 25% of the capacity of 5L of (rapid) fixer at working (1+4) dilution; no need to throw it out just yet!

    It can get up to about 7g/L (starts to slow right down) so yours probably had about 1g/L in there, or $3.75 worth at $24/oz. Plus or minus a factor of at least two depending on your choice of film and how heavily it was exposed.

  8. #48
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    Quote Originally Posted by wblynch View Post
    So, silver comes from the ground but can't go back in... ?
    There's a pretty big difference between metallic silver, silver ions in concentrated solution and silver salts physically mixed with rocks. If you don't believe me, dump some metallic sodium on your dinner next time instead of table salt...

  9. #49

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    Last summer, I tried something new, I evaporated it. I poured about a gallon of used fixer into a flat pan and stuck that outside so it would be exposed to the hot, summer sun. It took a few weeks, but the liquid finally evaporated leaving behind a white residue. I scraped that up, stuck it in a bag, and deposited in my trash. From there it went to a landfill. For me, problem solved.

    Jim B.

  10. #50

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    Suggested reading: "The Cat In the Hat Comes Back".

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