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Homework Help: Particle growth

  1. Oct 9, 2007 #1
    I found this in a textbook about how to promote particle growth. I'm not really sure what it is talking about:

    To promote particle growth:

    " add precipitant slowly with vigorous mixing to prevent local, highly supersaturated condition where the stream of precipitant first enter the analyte."

    what does that mean?
  2. jcsd
  3. Oct 10, 2007 #2
    Maybe the von Wiemarn ratio? (S-Q)/Q.
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