Part No: IST1019AIssued year: 2011File size: 0.14mbFile type: pdf
This method was developed for the extraction of phencyclidine from meconium for drugs ofabuse applications. The analyte has an ionisable amine group, which is exploited through cation exchange interactions. The pKa is approximately 8, so the compound is fully ionized at pH values of less than 6. The analyte also has significant non-polar characteristics, and both hydrophobic and ion exchange retention mechanisms are used to give a clean extract.
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