Agfa Neutol WA Dilution

Discussion in 'B&W: Film, Paper, Chemistry' started by John Simmons, Jan 14, 2008.

  1. John Simmons

    John Simmons Member

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    On Freestyles Website they give the following instructions for diluting agfa neutol wa.

    Dilute 1:3 to make stock solution

    Then dilute stock solution 1:7 to 1:11 for working solution.

    On the Bottle I just received today it says

    Dilute 1:7 or 1:11 / 1:15. It does not mention anything about first diluting 1:3 to make a stock solution.

    What is the correct way to mix for working solution.

    Thanks for any help you can give.

    Regards,
    John
     
  2. Uhner

    Uhner Member

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    I have followed the recommendations on the bottle, with satisfactory results.
     
  3. Dave Miller

    Dave Miller Member

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    Same here.
     
  4. jgjbowen

    jgjbowen Member

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    Ditto
     
  5. Bob F.

    Bob F. Member

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    I'll raise another ditto (although, in practice, I usually mix 1+9 from the bottle 'cos it's easier on the brain cells to work out...)

    Lasts for ever in my Nova slot thingy :smile:

    Bob.
     
  6. nze

    nze Member

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    I use to mix 1+9 directly out of the bottle and can go to 1+29 for warmer result ( longer dev time and less sheet proceed)
     
  7. john_s

    john_s Subscriber

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    From the Agfa pdf:

    Mixing instructions
    The developer concentrate is topped up to the desired final
    volume with water at about 30 °C/ 86 °F and stirred well. The
    developer is ready for use after cooling to working temperature.
    The concentrate should not be stored in its plastic bottle after
    part quantities have been removed.

    Stock solution (1 + 3): If the complete quantity is not completely
    used or different dilutions have to be produced, it is advisable to
    mix a concentrated stock solution (= 1 part concentrate + 3 parts
    water). This solution can also be used undiluted as a specially
    powerful developer (see dilution table).

    Normal dilution (1 + 7), (1 part stock solution + 1 part water):
    This dilution is recommended if the developer is to be used for a
    lengthy period with a low daily throughput. Topping up with the
    same solution is only necessary if the tray level falls too low.
    The storage life at the normal dilution is about one week.

    Economy dilution (1 + 11), (1 part stock solution + 2 parts water):
    Economy dilution is particularly efficient if there is a high daily
    throughput and the tray contents are exhausted fast. They
    deteriorate faster (within one day) but their yield is higher, so that
    costs are kept low. To maintain good uniformity developer carryover
    should be made up several times daily with the same quantity
    of fresh solution.