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Home > About Us > Robert Thomas

Robert Thomas

Principal of Scientific Solutions

Rob is a heavy metals expert and has written for Analytical Cannabis on the subject since 2019. Through his consulting company Scientific Solutions, he has helped educate countless professionals in the cannabis testing community on heavy metal analysis. He is also an editor and frequent contributor of the Atomic Perspectives column in Spectroscopy magazine, and has authored five textbooks on the principles and applications of mass spectrometry. Rob has an Advanced Degree in Analytical Chemistry from the University of Wales, UK, and is a fellow of the Royal Society of Chemistry and a chartered chemist.

Latest content from Robert Thomas

Measuring Heavy Metal Contaminants in Cannabis and Hemp by ICP-MS: Overcoming Real-World Challenges

Penned by heavy metal expert Robert Thomas, this How to Guide outlines the benefits of ICP-MS and the many ways analysts can use it well.

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Understanding Sources of Heavy Metals in Cannabis and Hemp: Benefits of a Risk Assessment Strategy – Part 4

In the fourth and final part of their new series, Rob Thomas and Tony Destefano explore potential elemental sources in the production, packaging, and delivery of cannabis consumer products.

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Understanding Sources of Heavy Metals in Cannabis and Hemp: Benefits of a Risk Assessment Strategy – Part 3

In the third part of their new series, Rob Thomas and Tony Destefano examine the critically important step of extracting cannabinoids from the biomass, the flower, and other parts of the cannabis plant.

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Understanding Sources of Heavy Metals in Cannabis and Hemp: Benefits of a Risk Assessment Strategy – Part 2

In the second part of a new series, Rob Thomas and Tony Destefano discuss whether a risk assessment strategy could help industry members to better understand all the potential sources of elemental contaminants along the cannabis supply chain.

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Understanding Sources of Heavy Metals in Cannabis and Hemp: Benefits of a Risk Assessment Strategy – Part 1

In the first part of a new series, Rob Thomas and Tony Destefano outline what the cannabis testing sector can learn from the pharmaceutical industry when it comes to heavy metal contamination.

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Expanding the Panel of Elemental Contaminants in Cannabis and Hemp Consumer Products by ICP-MS: Do You Know the Cost Difference?

Robert Thomas, a leading heavy metals expert in the cannabis testing sector and principle of the consulting company Scientific Solutions, breaks down the cost differences between testing for four heavy metals and for fifteen.

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The Role of ICP-MS in Understanding the Toxicological Link Between Lead Contamination in Cannabis and Hemp Products and Human Disease – Part 2

In the second part of his article, Robert Thomas, a leading heavy metals expert in the cannabis testing sector and principle of the consulting company Scientific Solutions, explains just how inductively coupled plasma-mass-spectrometry (ICP-MS) can lower the regulatory demands of cannabis testing to better understand the link between lead toxicity and human disease.

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The Role of ICP-MS in Understanding the Toxicological Link Between Lead Contamination in Cannabis and Hemp Products and Human Disease – Part 1

Robert Thomas, a leading heavy metals expert in the cannabis testing sector and principle of the consulting company Scientific Solutions, explains just how inductively coupled plasma-mass-spectrometry (ICP-MS) can lower the regulatory demands of cannabis testing to better understand the link between lead toxicity and human disease.

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A Recap of ASTM’s Workshop on Measuring Elemental Contaminants in Cannabis and Hemp Consumer Products

Rob Thomas recaps ASTM's recent three-day workshop on heavy metal contaminants in cannabis, and just what can be done about them.

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ASTM Workshop on Measurement of Elemental Contaminants in Cannabis/Hemp Consumer Products

This workshop will provide a broad perspective of the current knowledge of elemental contaminants in cannabis/hemp consumer products, communicate their significance, and as a result, educate users, cultivators, processors, testing labs, and regulators within the cannabis/hemp community of their potential risk to human and environmental health.

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