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1 Chemia Analityczna

1 2006

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Determination of Δ9-tetrahydrocannabinol (9THC) and 11-nor-9-carboxy-Δ9-tetrahydrocannabinol (THCCOOH) in blood and urine using gas chromatography negative ion chemical ionization mass spectrometry (GC-MS-NCl)

Kała M., Kochanowski M.

Chemia Analityczna

2006

Vol. 51, No. 1

65-78

A validated method for the determination of δ99-1, were the following: limit of detection -0.25; limit of quantification- 0.5, for both analytes; linearity range-0.5-100 for 9THC and THCCOOH in blood, and 0.5-200 for THCCOOH in urine. Internal standardization was carried out using deuterated analogues of the analytes. Intra- and inter-day precision did not exceed 25% for 9THC and 7% for THCCOOH. Accuracy was confirmed using Medidrug reference materials. The method was applied to the determination of 9THC and THCCOOH in 15 blood and 2 urine samples collected from drivers suspected of driving under the influence of cannabis.

Przedstawiono zwalidowaną metodę oznaczania δ99