New Rodinal bottle

Discussion in 'B&W: Film, Paper, Chemistry' started by Alessandro Serrao, Apr 29, 2009.

  1. Alessandro Serrao

    Alessandro Serrao Member

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    I've just got a new 500ml aoimaging Rodinal bottle. There are whitish sediments on the bottom of the bottle...
    Is that bad?
     
  2. Kevin Caulfield

    Kevin Caulfield Subscriber

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    I would say proceed with caution. There have been several mentions on APUG of the non-Agfa Rodinal variants having shorter shelf lives than the real Agfa beast which lasts for decades even after opening.
     
  3. Anscojohn

    Anscojohn Subscriber

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    It is my understanding that in mixing home-brew Rodinal that there should be a few crystals left after the titration.
     
  4. srs5694

    srs5694 Member

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    I was under the impression that A&O was the company that bought the rights to make Agfa Rodinal when Agfa folded. Or am I getting my companies confused? In any event, my one bottle of Rodinal to date (made before Agfa's demise) has a few solid crystals in it toward the end of its life, but it worked just fine up until the last drop.
     
  5. dpurdy

    dpurdy Member

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    I got three bottles with the sediment at the bottom as well today. I am not worried about it. In my experience this new Rodinal is holding up very well.
     
  6. Anon Ymous

    Anon Ymous Member

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    I have a bottle of Rodinal made by AO imaging. It has become dark brown and it has the the sediment you mentioned. It still works nicely.
     
  7. AgX

    AgX Member

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    That a&o developer is the original stuff.
    (change of company owner; by now it is even another one.)
     
  8. Shangheye

    Shangheye Member

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    The sediment adds character...and a certain grittiness to the images :wink:

    It should be fine. Kal
     
  9. alxsav

    alxsav Member

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    It should be ok. Sediments and dark color are ok for Rodinal. My rodinal is like that and it works fine.
     
  10. RobertV

    RobertV Member

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    It's not a problem. After Rodinal is getting older you will have some crystals on the bottom.

    Rodinal A&O is the original stuff.
    Indeed in the mean time again another new owner of the chemical plant from Agfa.

    [​IMG]
     
  11. George Collier

    George Collier Member

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    Is the Rodinal bottle in the middle of RobertV's post the new bottle?
     
  12. RobertV

    RobertV Member

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    It's the Rodinal produced from 2006 till somewhere 2008. A&O sold the chemical plant again so the latest labels are R09 one shot developer "made in Germany".

    Comparing with R09 pre wwII R09 from Calbe:
    Rodinal R09 one shot developer (former Agfa) is yellow till light brown.

    R09 (Calbe) is from original dark as coke.

    I am sure the change of name and label has to do with the Agfa brand name and Rodinal brand name.
    The most important thing is that you get the right stuff.