Using expired HC110 syrup

Discussion in 'B&W: Film, Paper, Chemistry' started by Alex Muir, Feb 26, 2013.

  1. Alex Muir

    Alex Muir Member

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    I have a part-used bottle of HC110, the syrup type. There is still a large amount in the bottle, but it is way out-of-date. I think it expired in 1997. I have tried it and it still seems to work. Can anyone tell me if it should work as intended, or if there is likely to be some form of deterioration in its quality? Is it a case of it either works, or not, or is it likely to develop the film but give a lesser quality result? I will use it if is capable of giving results to the original standard. I don't want to throw it out if it can be used. Thanks for any advice. Alex.
     
  2. jcoldslabs

    jcoldslabs Member

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    I've used HC-110 that old or older that had oxidized to a deep brown color and it worked just fine. Still, shooting and developing a test roll or sheet would be a good idea to make sure.

    Jonathan
     
  3. cjbecker

    cjbecker Member

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    Same here.
     
  4. Mainecoonmaniac

    Mainecoonmaniac Subscriber

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    As far as I can tell, HC-110 doesn't go bad. I've used it when It's a dark brown too and it doesn't lose it's strength. Tell me if I'm wrong. I think it's because the developer is suspended in glycerol instead of water.
     
  5. anikin

    anikin Subscriber

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    Actually, it does go bad. It just takes longer. I once bought a case of HC110 in old square bottles and it produced absolutely no images - blank film. So test it before you use it.
     
  6. Роберт

    Роберт Member

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    The regular life span of HC-110 is 3-4 years. Unless you're filling up in seperate glass bottles it gives some extra years.
     
  7. Alex Muir

    Alex Muir Member

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    Thanks for the replies. The colour is still yellow/orange, rather than brown. I will try it out soon on something not too important.
     
  8. Whiteymorange

    Whiteymorange Member

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    I've had one batch of HC110 go bad, and that was a square bottle dated to the early 80's. The stuff I'm using now supposedly went belly up in 2006–it works great.
     
  9. pgomena

    pgomena Member

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    It has a long, longe life in concentrate form. I used to mix the stock solution from concentrate and put it into smaller bottles. The stock would eventually darken, but I used it anyway without noticeable loss of quality in the final images. HC-110 is pretty robust stuff.