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A Beginners Guide to  ICP-MS

Download Rob Thomas's  15-part ICP-MS Tutorial Series Published in Spectroscopy Magazine. Click on the image for details.

 Regulating Heavy Metals in Cannabis and Hemp: What we can learn from Pharma

 Presentation that Rob gave at the AOAC Educational and Training Work Group Meeting on Testing for Contaminants in Cannabis - Click on the image below to attend the recorded talk:


Beyond Potency: The Importance of Measuring Elemental Contaminants in Cannabis and Hemp

Click on the image to read

Magazine/Journal Publications 

Click on the image below for links to some recent magazine/journal articles authored by Rob Thomas

Scientific Solutions    Contact Rob

An Independent Consultant Serving 

the Educational, Training and Writing Needs of the Analytical Sciences Community


Practical Guide to ICP-MS: A Tutorial for Beginners

Check out the 3rd Edition of Rob Thomas'  very successful ICP-MS textbook. Click on the book for details.

ACS Book of Reagent Chemicals

Interested in the new online version of the ACS book of Reagent Chemicals...click on the book image below....

....and learn the benefits for  pharmaceutical manufacturers

Measuring Heavy Metal Contaminants in Cannabis and Hemp: A Practical Guide

Read about Rob's new book on heavy metals in cannabis. Click on the image for details.

The AAAS STEM Volunteer Program 

 AAAS is looking for retired and working STEM professionals to help K-12  teachers make science more interesting. Click on the image below for details.

Click on the links below to access our K-12  Climate Change Tutorials 


Measuring Elemental Impurities in Pharmaceuticals: A Practical Guide 

Read about Rob's book on the USP/ICH directives on elemental impurities in drug products. Click on the book for details.

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

In this  audio podcast,  Rob Thomas discusses new USP requirements and how they apply to pharmaceutical products and dietary supplements. Click on the image below.



Scientific Writing

Consulting Services

Website Design

Magazine Publications



Download Rob's White Papers on the dangers of heavy metals in cannabis consumer products 

Understanding Sources of Heavy Metal Contaminants in Cannabis and Hemp: Benefits of a Risk Assessment Strategy

 The Importance of Measuring Heavy Metal Contaminants in Cannabis

The Challenges of Measuring Heavy Metals in Cannabis Vaping Aerosols

The Split Personality of Hemp

Role of ICP-MS in Understanding Toxicity Impact of Lead on Human Disease

Cost of Expanding the Panel of Elemental Contaminants in Cannabis

Learn about this ground breaking  workshop on heavy metals in cannabis by clicking below:

ASTM Workshop on Heavy Metals in Cannabis/Hemp Consumer Products

Atomic Perspectives Columns

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