Web26 Apr 2016 · The analysis of Δ 9-tetrahydrocannabinol (THC) and its metabolites 11-hydroxy-Δ 9-tetrahydrocannabinol (11-OH-THC), and 11-nor-9-carboxy-Δ 9-tetrahydrocannabinol (THC-COOH) from blood serum is a routine task in forensic toxicology laboratories.For examination of consumption habits, the concentration of the phase I … Webwere an average of multiple tests or the result of a single test. The average observed THC potency was 23.1% lower than the lowest label reported values and 35.6% lower than the highest label reported
A Guide to Cannabis Testing Methods - Analytical Cannabis
Web13 Nov 2024 · “HPLC [high-performance liquid chromatography] has two major advantages; first, the sample does not undergo decarboxylation. In the case of gas chromatography … Web24 May 2016 · Gas chromatography-mass spectrometry (GC-MS) is a tandem technology used to identify different substances within a test sample. The gas chromatograph (GC) … personality mcq pdf
Lab Techniques for Cannabis Analysis - azom.com
Web17 Feb 2024 · TLC, or thin-layer chromatography, is a more accurate, complex, and expensive way to test the THC levels of your cannabis at home. They’re the next level up … Web7 Mar 2024 · Laboratory testing for marijuana 4,5. Urine testing is commonly used to detect marijuana use. Cannabinoid immunoassay methods typically use an antibody directed … Gas chromatography (GC) is one of the most commonly used chromatographic methods in quantitative cannabinoid analysis (Hazekamp et al. 2009). Gas chromatography is typically completed in under 20 min at up to 300 °C and makes use of stationary phases with low polarities, such as 5% diphenyl- … See more High-performance liquid chromatography (HPLC) is a commonly used liquid chromatography (LC) technique in quantitative cannabinoid analysis (Hazekamp et al. … See more Hazekamp (2013) used the TLC method both for polar and non-polar systems. They used reversed-phase silica gel plates and normal phase silica gel plates for non-polar and polar … See more Liquid chromatography (LC) often employs electrospray ionization (ESI) and atmospheric-pressure chemical ionization (APCI) as ionization sources (Grauwiler et al. 2007). These usually only generate a protonated molecule … See more Hazekamp et al. (2005) measured cannabinoids with FTIR. They added KBr to the ethanolic solution of cannabinoids followed by vacuum … See more personality may be influenced by quizlet