Hemp

Brian C. Smith, PhD, is Founder, CEO, and Chief Technical Officer of Big Sur Scientific. He is the inventor of the BSS series of patented mid-infrared based cannabis analyzers. Dr. Smith has done pioneering research and published numerous peer-reviewed papers on the application of mid-infrared spectroscopy to cannabis analysis, and sits on the editorial board of Cannabis Science and Technology. He has worked as a laboratory director for a cannabis extractor, as an analytical chemist for Waters Associates and PerkinElmer, and as an analytical instrument salesperson. He has more than 30 years of experience in chemical analysis and has written three books on the subject. Dr. Smith earned his PhD on physical chemistry from Dartmouth College. Direct correspondence to: 

Articles

This column discusses where the USDA went wrong in their final rule regarding hemp and how the author thinks it can be fixed.

Hemp Testing Insanity III: This Time It’s the USDA!

This article focuses on the technology being used in new rapid field tests that combine one-time-use color testing with a colorimetric panel that provides an identification and semiquantitation of THC and THCA.

Qualitative Versus Quantitative Hemp Testing: The Limitations of Current Law Enforcement Field Tests

Soil, water, and nutrient compositions play important roles in one’s quest to produce ultrapremium flower material; but unequivocally, it is lighting spectrum, coverage, and penetration that have the most influence over the terminal outcome, particularly in controlled environment agriculture.

Lighting: Setting the Stage for Genetic Potential in Cannabis and Hemp

Ric Cuchetto discusses the technology behind THC remediation and some of the challenges it presents.

THC Remediation: A Basic Understanding

Expert speakers in hemp testing, extraction and cultivation will educate industry professionals seeking to improve products, technology and service.

Cannabis Science and Technology® Announces Agenda for First Hemp Science & Technology Virtual Symposium

A rapid LC–MS/MS method is presented for the quantitative analysis of 16 cannabinoids in hemp samples with a single dilution protocol.

Rapid Analysis of 16 Major and Minor Cannabinoids in Hemp Using LC–MS/MS with a Single Sample Dilution and Injection

Cannabis Science and Technology® will host its first Hemp Science & Technology Virtual Symposium. Brian C. Smith, PhD, founder, CEO, and chief technical officer of Big Sur Scientific, will serve as the two-day event’s program chair.

Cannabis Science and Technology® to Host Hemp Science & Technology Virtual Symposium

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.

A Proposed Representative Sampling Plan for Hemp Grows

 A novel mid-infrared spectrometer that measures total THC in dried, ground cannabis plant material in 2 min is discussed as well as the applications of this analyzer for law enforcement, forensic laboratories, and regulatory agencies.

Distinguishing Hemp from Marijuana by Mid-Infrared Spectroscopy

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.