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Upcoming Restek Cannabis Testing Seminar

10/9 UPDATE- This seminar has been cancelled. Stay tuned for future dates.  New to chromatography? Looking to brush up on your current analytical skills? Interested in what different types of cannabis testing currently exist? The analytical market for cannabis is a rapidly growing, burgeoning field. As more and more states legalize cannabis, an increased number […]

Can HPLC-UV Be Used For Terpenes Analysis In Cannabis?

While HPLC may be tempting to use for terpenes analysis, a GC/FID or GC/MS is really the most straightforward and recommended way of analyzing terpenes in cannabis. Terpenes, being relatively volatile and neutral, lend themselves rather nicely to GC in general. As you can see from Figure 1 below, coelutions of the cannabinoids and terpenes are very likely when […]

HPLC columns for the European Pharmacopoeia methods

td.stripe {border-bottom: 1px solid #666;padding: 3px;} European Pharmacopoeia (EU) methods tend to be vague in their description for column requirements, which can make choosing the correct column a little tricky.   To simply things, I listed the Restek HPLC columns that best match the columns (phases) listed in the European Pharmacopoeia “Reagents” chapter. Hopefully this […]

QuonFuseD by QuEChERS?

Currently the big push for sample prep is using QuEChERS, which stands for “Quick, Easy, Cheap, Effective, Rugged, and Safe”. It is a much more streamlined method, when compared to traditional liquid/liquid extractions and even SPE. Pesticide residues in various matrices are often analyzed by QuEChERS methodology, and today it is probably the most often […]