Dr. Beers Variable Contrast "Developing Out" Paper Developer

Dr. Beers Variable Contrast "Developing Out" Paper Developer

  1. Kino

    Kino Member

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    Dr. Beers Variable Contrast "Developing Out" Paper Developer - Dr. Beers Variable Contrast "Developing Out" Paper Developer

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    Last edited by a moderator: Feb 6, 2016
  2. Dwane

    Dwane Member

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    Beer’s developer formula is given in “parts”, whatever a “part” is. Note that each solution ends up being made up of 16 “parts”. If 16 “parts” is the same as 1000 mls (a liter), then one “part” is equivalent to 62.5 mls. I used this conversion factor to convert the “parts” to mls, and rounded the results, so that you end up with 1000 mls (a liter) of working solution. If you need more or less, than it’s easy to convert to what you need. Here is the table, with “parts” replaced with mls. Hope this helps.


    1 2 3 4 5 6 7

    500 440 375 310 250 190 125 < -- A

    0 60 125 190 250 310 875 < -- B

    500 500 500 500 500 500 0 < -- water