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The AAAS STEM Volunteer Program 

 AAAS is looking for retired and working STEM professionals to help K-12  teachers make science more interesting.


Click here for details

ACS Book of Reagent Chemicals

Interested in the new online version of 11th edition of the ACS book of Reagent on the book cover for details.



 Magazine/Journal Publications 

Here are a list of recent publications authored by Rob Thomas:

The Challenges of Measuring Heavy Metals in Cannabis and Cannabis-infused Products, New Food Magazine, April, 23, 2020

Regulating Heavy Metals in Cannabis: What can be Learned from the Pharmaceutical Industry? Part 1, Analytical Cannabis, April, 09, 2020

Regulating Heavy Metals In Cannabis and Hemp: What Can be Learned from the Pharmaceutical industry?, European Pharmaceutical Review, March, 2020

Heavy Metals Testing Protocols are Just Not Good Enough, Analytical Cannabis Newsletter, November, 2019

Workshop Emphasizes Why the Cannabis Industry Needs to Get Better at Measuring Heavy Metals in Cannabis and Hemp. Analytical Cannabis, October, 2019

Heavy Metals Detection and Laboratory Practices the Focus of High-Level Workshop, David Hodes, Cannabis Science and Technology Staff Writer, October 2019

Beyond Potency: The Importance of Measuring Elemental Contaminants in Cannabis and Hemp, Cannabis Science and Technology, October, 2019  

The Impact of Illegal Artisanal Gold Mining on the Peruvian Amazon: Benefits of Taking a Direct Mercury Analyzer into the Rain Forest to Monitor Mercury Contamination, AP Column, Spectroscopy Magazine, March, 2019

The Critical Role of Atomic Spectroscopy in Understanding the Links Between Lead Toxicity and Human Disease, AP Column, Spectroscopy Magazine, October, 2018

From Heavy Metals Testing to the Measurement of Elemental Impurities in Pharmaceuticals: Over 100 Years in Making the Change, AP Column, Spectroscopy Mag, May, 2018

Choosing the Right Atomic Spectroscopic Technique for Measuring Elemental Impurities in Pharmaceuticals: A J-Value Perspective, AP Column, Spectroscopy Magazine, March, 2018

Single Particle ICP-MS: A Key Analytical Technique for Characterizing Nanoparticles, AP Column, Spectroscopy Magazine, March, 2017

Characterizing Fuel by Gas Chromatography: Making Sure that IndyCar Race Teams are Playing by the Rules, Petro Industry News, February, 2017

New Approaches in Sample Preparation and Precise Multielement Analysis of Crude Oils and Refined Petroleum Products Using Single-Reaction-Chamber Microwave Digestion and Triple-Quadrupole ICP-MS, AP Column, Spectroscopy Magazine, October, 2016

Optimization of EPA Method 325 for the Fast, Accurate and Precise Monitoring of VOCs Around Oil Refinery Fencelines, Petro Industry News, September, 2016

Money To Burn: Do you Know What is Costs to Run your Atomic Spectroscopy instrumentation? International LabMate, April, 2016

Replacing Traditional Heavy Metals Testing with Modern Plasma-Based Spectrochemical Techniques, A P Column, Spectroscopy Magazine, March, 2016







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Atomic Perspectives Columns

For all of  Rob Thomas's Atomic Perspectives Columns in Spectroscopy Magazine, Click below for details.

The Basics of USP Chapters <232>, <233>, and <2232>

In this THERMO SCIENTIFIC audio podcast,  Rob Thomas discusses new USP requirements and how they apply to pharmaceutical products and dietary supplements.