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CNST Article Slideshow
Here is a selection of articles that we would like to highlight on the site.
The balancing act between “good” science and scientific accountability is widespread in the cannabis community, from the growers to the testing laboratories and beyond.
Cannabis Quality Control Testing Using Gas Chromatography
The challenge for global cannabis producers and processors is how to combat the lack of rigorous testing and oversee quality control to ensure reliable, safe, and consistent products. Gas chromatography (GC) is a successful analytical technique for cannabis testing that provides opportunities to advance the cannabis industry.
A Comprehensive Approach to Pesticide Residue Analysis in Cannabis
Here we present a straightforward acetonitrile extraction using a solid-phase extraction (SPE) cartridge and targeted dispersive solid-phase extraction (dSPE) cleanup. The final dilute extract is analyzed with both gas chromatography–tandem mass spectrometry (GC–MS/MS) and liquid chromatography–tandem mass spectrometry (LC–MS/MS) for a comprehensive target list (200+ compounds) that encompasses those identified on individual U.S. state lists. Limits of quantitation meet or exceed individual U.S. state requirements.
Determination of Multiple Metals in Cannabis Samples Using ICP-MS and ICP-OES
Existing analytical methods used for plant-based samples can be applied to cannabis plant material and other cannabis-based products. A microwave acid digestion sample preparation procedure was verified using appropriate reference materials, and the digested cannabis samples were analyzed using both inductively coupled plasma–mass spectrometry (ICP-MS) and ICP–optical emission spectrometry (OES). The ICP-MS method used aerosol dilution to provide a highly robust plasma suitable for extended analysis of high-matrix sample digests. A fast ICP-OES method was also developed to analyze the same cannabis samples.
The Quantitative Determination of Phytocannabinoids in Hemp Oils Using HPLC with UV Detection
Hemp is a robust crop containing high quantities of CBD and minor quantities of other cannabinoids. Like cannabis, hemp oil may be analyzed easily and effectively for its cannabinoid content. Presented herein is a procedure for the quantitative determination of 11 important cannabinoids, including CBD, in hemp oil using high performance liquid chromatography (HPLC) with ultraviolet (UV) detection.