Switch to English Language Passer en langue française Omschakelen naar Nederlandse Taal Wechseln Sie zu deutschen Sprache Passa alla lingua italiana
Members: 69,990   Posts: 1,524,140   Online: 1108
      
Page 3 of 3 FirstFirst 123
Results 21 to 22 of 22
  1. #1
    Ian Grant's Avatar
    Join Date
    Aug 2004
    Location
    West Midlands, UK, and Turkey
    Shooter
    Multi Format
    Posts
    16,220
    Images
    148

    Cool tones, Warm tones Neutral tones

    Alternatives to Ilford Cooltone, Warmtone etc

    Ilford have published many formulae for film and paper development over the years. Here are some suggestions for processing Ilford papers to obtain a variety of tones. I have also included a soft working developer and a contrast developer to give a full range of option.

    Higher quality image

    ID-62 PQ Universal Developer, gives neutral tones.
    ID-78 PQ Warm-tone Developer, similar to Neutol WA

    ID-3 Metol Soft working, similar results to Selectol Soft, and Agfa's Adaptol
    ID-14 MQ Contrast developer, will give approx half a grade increase in contrast. Use FS for maximum contrast, can be diluted.

    Normal use for Tray development with ID-3, ID-62 & ID-78 is 1+3

    A formula similar to ID-62 has been published without the Benzotriazole. If this is made up it can be used as a Cool tone type of developer and by adding additional Bromide becomes like ID-78 warm tone developer, or by adding Benzotriazole solution like ID-62 more neutral (blue tones).


    Ilford PQ Developer - Cool Tones

    Phenidone . . . . . . . . . . . . . . . . . 0.5 g
    Sodium Sulphite (anh) . . . . . . . . 50 g
    Hydroquinone . . . . . . . . . . . . . . 12 g
    Sodium Carbonate . . . . . . . . . . . 60 g
    Potassium Bromide . . . . . . . . . . 2 g
    Water to . . . . . . . . . . . . . . . . 1 litre

    Use 1+3 Develop 1½ - 2 mins 20ºC

    Neutral/Cold tone: Add 5ml Benzotriazole solution (1%) to each litre of working solution.

    Warm tone: Add 7.5 ml Potassium Bromide 1% solution to each litre of working solution.

    This Developer formula is identical to Forte FD-203 which is recommended for Forte Polygrade papers, including Poly-warm tone. (No Benzotriazole)


    Concentrated Stock Solution.

    Ilford PQ Developer (Conc) - Cool Tones

    Phenidone . . . . . . . . . . . . . . . . . 1.25 g
    Sodium Sulphite (anh) . . . . . . . . .125 g
    Hydroquinone . . . . . . . . . . . . . . 30 g
    Sodium Carbonate . . . . . . . . . . . .150 g
    Potassium Bromide . . . . . . . . . . . 5 g
    Water to . . . . . . . . . . . . . . . . . 1 litre

    Use 1 + 9
    Add additional Bromide or Benzotriazole to alter the tones to the working solution - as above.
    Last edited by Ian Grant; 06-02-2008 at 11:10 PM. Click to view previous post history.

  2. #21
    Ian Grant's Avatar
    Join Date
    Aug 2004
    Location
    West Midlands, UK, and Turkey
    Shooter
    Multi Format
    Posts
    16,220
    Images
    148
    Quote Originally Posted by Max_N View Post

    Sodium Carbonate mono or anhd?

    Thanks
    Since I wrote this article I've found it's better to substitute Potassium Carbonate (anhyd) with a small amount of Sodium Hydroxide in place of the Sodium Carbonate (anhyd) because of solubility issues with storage.

    So something like 100g Postassium Carbonate (anhyd) + 5g Sodium Hydroxide works well in place of the 150g Sodium Carbonate.

    Ian
    Last edited by Ian Grant; 03-07-2012 at 02:50 AM. Click to view previous post history.

  3. #22

    Join Date
    Feb 2011
    Location
    Perm, Russia
    Shooter
    Medium Format
    Posts
    2
    Thanks!

    In some sites I seen this formula with 150 g Potassium Carbonate only, and if you are interested, I know some similar developer:

    Riap PB-1k (russian)

    Sodium Sulphite (anh) . . . . . . . . .150 g
    Hydroquinone . . . . . . . . . . . . . . 32 g
    Potassium Carbonate . . . . . . . . . .150 g
    Phenidone . . . . . . . . . . . . . . . . . 0,8 g
    Potassium Bromide . . . . . . . . . . . 6 g
    Water to . . . . . . . . . . . . . . . . . 1 litre

    1+9

Page 3 of 3 FirstFirst 123


 

APUG PARTNERS EQUALLY FUNDING OUR COMMUNITY:



Contact Us  |  Support Us!  |  Advertise  |  Site Terms  |  Archive  —   Search  |  Mobile Device Access  |  RSS  |  Facebook  |  Linkedin