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ChromaBLOGraphy

Topical and timely insights from top chromatographers

May 06, 2021
Dr. Landon Wiest

Have You Heard the Buzz? Neonicotinoid Insecticides Increase Crop Yield, but Can Affect Our Bees!

A quick search on neonicotinoids will show you that this class of insecticide is less toxic for birds and mammals than other classes of pesticides, however, other side effects ...

April 30, 2021
Jamie York

Potency Testing by LC-MS, the Future of Cannabinoid Testing?

Potency testing is the bread and butter of the cannabis industry. There are over 150 cannabinoids that have been discovered thus far, with more likely to be discovered in the c...

April 29, 2021
Nancy Schwartz

LC Ghost Peaks

The discussion of ghost peaks for this blog post refers to extraneous peaks that appear when injections of presumably clean solvent are made. Of most concern are ghost peaks th...

April 14, 2021
Jamie York

THC-COOH Detected!

Urine testing for cannabis metabolites is a routine analysis for drug testing labs, but what metabolite is actually being observed when a positive result is detected? Cannabis ...

Events Calendar

Whether virtual or in person, we look forward to meeting with you, sharing our latest innovations, and answering any questions you may have about Restek products and services!

North American Chemical Residue Workshop 2021 (NACRW)

25 - 28 July 2021
Fort Lauderdale, FL, U.S.

Dioxin 2021

22 - 27 August 2021
Xi-an, China