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Summary
Type: HPLCApplication #: 102890
Detection: UV, 220nm for retention times 0 - 15min, electrochemical for retention times 15 - 30min
Conditions: Column 1: , eluent: acetonitrile - 40mM phosphoric acid (1:2, v/v)
Column 2: ; eluent: acetonitrile - 40mM phosphoric acid (1:1, v/v)
flow rates 1ml/min
Authors: Karlsson L
Source: J Chromatogr 417 (1987) 309 - 317
Details
Legend: Fig. 2. Chromatograms from the analysis of authentic urine samples, measured concentrations of D9-tetrahydrocannabinol-11-oic acid (THC acid) a) 32ng/ml, b) 14ng/ml. A = zone trapped. Peaks: 1. THC