Authors


Feng Qin

Latest:

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

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


Molly Murphy

Latest:

LC–MS/MS with ESI and APCI Sources for Meeting California Cannabis Pesticide and Mycotoxin Residue Regulatory Requirements

How two different LC–MS/MS methods with ESI and APCI were used for low-level analysis of 72 pesticides


Travis Ruthenberg

Latest:

LC–MS/MS with ESI and APCI Sources for Meeting California Cannabis Pesticide and Mycotoxin Residue Regulatory Requirements

How two different LC–MS/MS methods with ESI and APCI were used for low-level analysis of 72 pesticides



Cayman Chemical

Latest:

Differentiating Four THC Stereoisomers

Discover a reliable and robust HPLC method to separate Δ10-THC and Δ6a,10a-THC isomers produced from Δ9-THC degradation using a chiral HPLC stationary phase.


Restek

Latest:

Quantitative LC-UV Method for CBD in Topicals with Simplified Extraction of Lotions, Balms, and Creams

A universal extraction method has been developed for the LC-UV analysis of cannabidiol (CBD) in infused lotions, balms, and creams.


Sorbent Technologies, Inc.

Latest:

Eliminate Toxic Contaminants from Cannabis Extracts

Learn simple, cost-effective, proven procedures to eliminate toxic contaminants from cannabis extracts, while maintaining yield and purity of valuable cannabinoids.


Roger Kern

Latest:

The Root of Success: Using the Right Growth Substrate

Let’s explore some options for growth substrates that are essential to the health of your plants.


Don Shelly

Latest:

Certified Reference Material Manufacturing Challenges

What to consider when creating or using certified reference materials.


Rojin Belganeh

Latest:

Rapid Screening of Cannabinoids in Edibles Using Thermal Desorption-GC–MS

A look at how TD-GC–MS analysis eliminates conventional sample preparation regimes and can be used as a good rapid screening technique.


William Pipkin

Latest:

Rapid Screening of Cannabinoids in Edibles Using Thermal Desorption-GC–MS

A look at how TD-GC–MS analysis eliminates conventional sample preparation regimes and can be used as a good rapid screening technique.


Catharine E. Layton

Latest:

Setting the Standard: Considerations When Handling DEA-Exempt Cannabinoid Reference Standard Preparations Used for Potency Determination

Reference standard qualifications are discussed and techniques for qualifying incoming reference standards are suggested.


Andrew J. Aubin

Latest:

Setting the Standard: Considerations When Handling DEA-Exempt Cannabinoid Reference Standard Preparations Used for Potency Determination

Reference standard qualifications are discussed and techniques for qualifying incoming reference standards are suggested.



Justin Steimling

Latest:

Leveraging Selectivity and Efficiency to Take the Strain Out of LC–UV Method Development for Cannabinoid Profiling

Here the LC–UV separation of 16 cannabinoids of interest was performed while the potential impact from minor cannabinoids and terpenes on reported potency values was monitored.


Thermo Fisher Scientific

Latest:

Sensitive Determination of THCCOOH in Hair

Analysis of THCCOOH is a common topic in hair analysis to obtain evidence of deliberate drug consumption and dispel any doubt of passive contamination through the air.


SCIEX

Latest:

Gummies, Isolate, and Wax: How Does Sample Type Impact Pesticide Testing?

Wednesday, November 9, 2022 at 1 pm EST | 12 pm CT | 10 am PDT | 7 pm CET | 6 pm GMT Waxes, isolates, gummies—pesticide testing in cannabis products can be challenging! Come learn about matrix effects and how you can build your testing procedures to minimize the impact they have on your laboratory.


UCT

Latest:

Analysis of Pesticide and Mycotoxin Residues in Cannabis

This application note outlines a QuEChERS method for the simultaneous analysis of cannabis for 67 pesticides and 5 mycotoxins residues in cannabis flower.


Arometrix

Latest:

Fraction Finder for Distillation Monitoring

This white paper describes the Fraction Finder, a real-time distillation monitoring system that can identify the contents of liquid flowing through a tube in-situ and in real-time.


Amber Wise

Latest:

Deeper Dive into Extractions: Multiphase CO2 Extractions for Full Spectrum Native Chemical Profiles

An overview of some of the ways various temperature and pressure combinations can tune the polarity of CO2, and how analytics can be utilized to monitor chemovar profiles.


Emil Radkov

Latest:

Tips and Tricks to Prevent Contamination in Your Grow Facility

What are the typical sources of pathogen and pest contamination in grow facilities? Find out and receive practical advice on how to reduce the associated risks by using some best practices.


Leonard B. Antosiak

Latest:

Lean Manufacturing: Outsourcing Production, Ensuring Quality, and Eliminating Waste

This tutorial offers a broad overview of lean manufacturing.


Paul M. Reece

Latest:

Lean Manufacturing: Outsourcing Production, Ensuring Quality, and Eliminating Waste

This tutorial offers a broad overview of lean manufacturing.


Rich Pearson

Latest:

Inter-Laboratory Variation in Cannabis Analysis: Pesticides and Potency in Distillates

Cannabis distillate samples spiked with known amounts of pesticides were submitted to five cannabis testing laboratories-here are the results.


Paul Lessard

Latest:

Inter-Laboratory Variation in Cannabis Analysis: Pesticides and Potency in Distillates

Cannabis distillate samples spiked with known amounts of pesticides were submitted to five cannabis testing laboratories-here are the results.


AB Sciex

Latest:

Potency Inflation: The Influence of Normal Laboratory Variability

The issue of potency inflation is currently common in the press. Everyone thinks that cannabis labs cannot be trusted due to overt cheating. Although a few bad actors certainly can, and do, cheat the system, most inter-laboratory variability can be caused by perfectly legal means leaving regulators very little actions to correct.


CEM Corporation

Latest:

Extraction of Pesticides from Cannabis Flower and Edibles - App Note

This application note demonstrates how CEM’s EDGE rapidly and automatically extracts various cannabis and hemp containing products in preparation for pesticide analysis.


RheoSense

Latest:

Cannabis Oil-Don’t Let it Go Up in Smoke!

This application brief presents temperature and shear rate dependent viscosity data on two types of cannabis oils.


Formulaction Inc

Latest:

Shelf Life Quantification of THC Formulations

The fast-paced and growing market of THC- and CBD-infused beverages provides several challenges for a formulator. Aside from working in an entirely new market with new materials, guidelines are not yet in place to monitor and regulate the potency of such beverages as they age – the destabilization of the oil inside of the beverage can create zones where the dosage is higher than in other regions. Chromatographic techniques require an invasive process to quantify this stability. Here, we will show how the Static Multiple Light Scattering technique utilized in the Turbiscan device can be used to quantify the volume fraction evolution of a destabilizing THC-infused emulsion and letdown beverage.


Sorbtech

Latest:

Cost-Effective Decontamination of Cannabis and Hemp Extracts

Remove all pesticides and other contaminants from cannabis and hemp extracts without significant cannabinoid loss using proprietary, cost-effective KDM method.

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