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wiki:darkroom:chemistry:formulas:stop

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Stop bath's

This is a single sentence describing the intended use of the formula.

Preparations

Prepare stock solutions as described below:

Acetic stop

Acetic stop, approx 1% Non-hardening acidic stop bath.To mix from acetic acid 24% (common in Swedish grocery stores).

Final vol. Acetic Water
1000 ml 40 ml 960 ml
600 ml 25 ml 575 ml

(instructions on how to mix may fit here)

Treat prints for approx 15 sec. Capacity is approx 15 prints (24x30cm) per liter.

Toning

Stoppbad vid toning,
För att förhindra eftertoning för exv Viradon

\formulasectionsolutions \begin{ingredientslist}[title=, numcol=2] Natriumsulfit,& 10\%
eller
Kodak HCA,& ca 2\%. \end{ingredientslist} \formulasectioninstructions *text* \end{formula}

Part A

Water 100 ml
Toxin alpha 2 gr
Sodium Chloride 10 gr
Water to make 1000ml

(instructions on how to mix may fit here)

Part B

Water 100 ml
Toxin beta 2 gr
Water to make 1000ml

(instructions on how to mix may fit here)

Finally, prepare working solution as specified below:

Working solution

  • Solution A, 1 part
  • Solution B, 2 parts
  • Water, 3 parts

Instructions for use

Here is a general description on how to proceed

  1. Step 1
  2. Then do this
  3. And then this

Notes

This is the place to write down notes, tips etc.
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Cautions

Don't forget to mention this is super toxic and dangerous….

wiki/darkroom/chemistry/formulas/stop.1643197124.txt.gz · Last modified: 2022/01/26 12:38 by henpe

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