Page 127 - Pharmaceutical Analytical Chemistry III
P. 127

• Reprecipitation

 An analyte ppt is washed, dissolved in
  a pure solution and reprecipitated.

 It is applicable when the ppt is easy to
  be redissolved.

 During the second pption, the amount
  of contaminant absorbed will be
  lower since its concentration in the
  solution is less
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