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The DSQ II, a single stage quadrupole mass spectrometer with a curved prefilter that minimizes background noise derived from excited neutrals, was used for the analysis of PCP in urine. Coupled to a TRACE GC Ultra™ gas chromatograph and an AS3000 autosampler, this GC/MS system represents the standard for confirmatory analyses of drug use. ToxLab™ 2.0 software provided automated sample analysis and quantitation, and the method was fully validated.
The analysis of PCP on the DSQ II was completed with a PCP retention time of less than two minutes. The validated method is sensitive, with a wide dynamic range, ranging from 5 to 5,000 ng/mL.
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