December 08, 2020
This article takes a look at the major atomic spectroscopy techniques and compares their performance characteristics and in particular examines the limits of quantitation for the four heavy metals (Pb, As, Cd, and Hg) currently being regulated in cannabis and hemp by most states in the US.
December 03, 2020
Keystone Labs is an accredited testing facility with a good manufacturing practice (GMP) establishment license. Jodi McDonald, president and founder of Keystone Labs, based in Edmonton Alberta, Canada discusses their role in the industry.
October 13, 2020
Ric Cuchetto discusses the technology behind THC remediation and some of the challenges it presents.
September 24, 2020
Suggestions on how to deal with the problem of inter-laboratory error in the cannabis industry.
August 19, 2020
Here a scientifically based representative sampling plan for hemp grows is presented, detailing how to collect composite samples, how many to collect, and how to analyze them.
June 23, 2020
A proper set of hemp standard reference materials courtesy of the University of Kentucky are now available and the implications of this for hemp testing are discussed.
How quickly can a cannabis or hemp testing laboratory see return on investment?
May 15, 2020
Dr. Scott Kuzdzal and Melissa Fauth share their stories, challenges, and lessons learned, offering advice to those looking for success in a complex market.
Why are those extra decimal places possibly meaningless? How can you use significant figures to discern the true meaning of your cannabis analysis measurements?
March 02, 2020