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Research Article 2025CC BYFree full text

Quantitative determination and validation of 96 pesticides in cannabis by LC-MS/MS and GC-MS/MS.

D A MacKenzie, A M Anyanwu, G McRae, J E Melanson

Canada has established a strict set of testing requirements for pesticides that are unauthorized for use on cannabis, currently holding the most extensive list of analytes in North America to date, listing minimum method performance limits rather than maximum allowable concentration limits. These requirements establish the need for validated analytical methods capable of quantifying pesticides and growth regulator…

Analytical and Bioanalytical Chemistry Europe PMC

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Research Article 2024CC BYFree full text

QuEChERS Extraction and Simultaneous Quantification in GC-MS/MS of Hexahydrocannabinol Epimers and Their Metabolites in Whole Blood, Urine, and Oral Fluid.

Annagiulia Di Trana, Giorgia Sprega, Giorgi Kobidze, Omayema Taoussi, Alfredo Fabrizio Lo Faro, Giulia Bambagiotti +8 more

Recently, hexahydrocannabinol (HHC) was posed under strict control in Europe due to the increasing HHC-containing material seizures. The lack of analytical methods in clinical laboratories to detect HHC and its metabolites in biological matrices may result in related intoxication underreporting. We developed and validated a comprehensive GC-MS/MS method to quantify 9(R)-HHC, 9(S)-HHC, 9αOH-HHC, 9βOH-HHC, 8(R)OH-9(…

Molecules