Mixing Vandyke Sensitizer

Discussion in 'Alternative Processes' started by thefizz, Nov 7, 2018.

  1. thefizz

    thefizz Member
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    Is it normal for Vandyke sensitizer to look very cloudy when mixed fresh from the raw chemicals?
     
  2. Herzeleid

    Herzeleid Member
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    It can happen sometimes, I think it depends on the chemicals, temperature etc. If you are having too much precipitate after the solution settles, increasing tartaric acid gradually to 4gr helps a lot.
     
  3. OP
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    thefizz

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    Thanks, I’ll add more tartaric acid next time. I heated the bottle of sensitizer and that helped a little and then I filtered it, so much better now.
     
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