Heico Permawash for clearing Pt/Pd

Discussion in 'Alternative Processes' started by Donsta, Jul 21, 2005.

  1. Donsta

    Donsta Member

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    Following some prints which I could not clear in EDTA (basically anything I develop with potassium oxalate will not clear in EDTA nor an EDTA sodium sulphite mixture), I tried some Heico permawash. It seems to work really well and is dirt cheap - are there any issues I need to consider before making it my standard clearing agent?
     
  2. Peter Schrager

    Peter Schrager Subscriber

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    Perma Wash

    I've used PermaWash for Pt./Pall for many years now. If it works-use it!
    Best, Peter