Got PFAS questions? We’ve got answers.
Your questions. Expert answers. Real insight.
Ask our PFAS experts
Curious about PFAS? Running into roadblocks in your workflow? Just want to dive deeper into the science? Welcome to our ‘Ask the PFAS experts’ series, where your questions drive the conversation.
In this interactive series, our internal PFAS experts tackle the real-world challenges that scientists like you are facing every day. You bring the questions—technical, regulatory, analytical, or practical—and we deliver clear, experience-backed answers.
Whether you're troubleshooting a complex PFAS analysis or exploring a new matrix, this is your space to ask freely and learn deeply.
Next episode available now:
Explore the next set of PFAS questions answered by our Senior Manager, Scientific Marketing, Applied Markets, Dr. Craig Butt – added to the on-demand list and ready when you are:
- What LC-MS/MS systems are best suited for PFAS analysis?
- What sample preparation methods are recommended for PFAS testing?
- Can LC-MS/MS detect ultrashort-chain PFAS?
- Is PFAS testing scalable for high-throughput labs?
Have a question for our experts?
No question is too small. No jargon required. Just insight, clarity, and expertise.
Previous session also available on-demand:
Michael Scherer, Application Lead
- What is the primary advantage of using LC-MS/MS systems for PFAS analysis?
- Which standardized method is compatible with SCIEX LC-MS/MS systems for analyzing PFAS in drinking water?
- What are the best practices to avoid PFAS contamination?
- What is the typical detection limit for PFAS analysis using LC-MS/MS systems?
- What is a common challenge when analyzing PFAS in water using LC-MS/MS?
Simon Roberts, Application Scientist
- Do you have any advice for setting up new or expanded methods and procedures for PFAS testing in a manufacturing environment?
- What is the best containment in terms of green technology for PFAS, considering the persistence of the compounds?
- How can you avoid the background contamination of PFAS?
Simon Roberts
Staff Application Scientist
Simon is a PFAS expert who supports labs across North America with method optimization and analysis. He has researched PFAS for nearly 15 years and helped identify new chemical classes in firefighting foams.
Jianru Stahl-Zeng
Senior Technical Marketing Manager, Food and Environmental
Jianru has led technical marketing at SCIEX since 2018 and is the Global Technical Leader for food and environmental applications.
Megumi Shimizu
Senior Application Scientist
Megumi plays a key role in supporting food and environmental testing applications, particularly around PFAS analysis using SCIEX OS software. She collaborates closely with global teams on technical marketing initiatives and regularly contributes to scientific events and training programmes.
Karl Oetjen
Market Development Manager, Food and Environmental
With over a decade of experience in mass spectrometry and a Ph.D. in hydrology and water resources science, Karl Oetjen specializes in PFAS analysis and partners with laboratories to advance analytical method development. At SCIEX, he leads initiatives across the Environmental and Food sectors, working closely with global teams and external collaborators.
Craig Butt
Senior Manager, Scientific Marketing, Applied Markets
Craig has been studying PFAS for over 20 years and his experience covers nearly all environmental and biological matrices including air, water, blood, wildlife and consumer products. He leads the scientific marketing team which is responsible for developing new PFAS methods.
Michael Scherer
Applications Lead, Food and Environmental
Michael provides expert field-based support and method development for complex analytical challenges. With a strong focus on PFAS testing, Michael has led the creation of technical resources and contributed to regional education on emerging contaminants in food and environmental matrices.