Tom Hall

Articles

Analyzing Per- and Polyfluoroalkyl Substances in Drinking Water Using EPA Methods 533 and 537.1 with Semi-Automated Solid-Phase Extraction (SPE)

Ruud Addink;Tom Hall

September 1st 2021

There is a need for fast and reliable PFAS analyses to monitor drinking water quality. We report on the use of semi-automated sample preparation with EPA methods 533 and 537.1, assessing performance and processing time.

Semi-Automated Cleanup of Persistent Organic Pollutants in Environmental Samples—Complete Separation of PCDD/Fs and PCBs for Extracts in Toluene

Ruud Addink;Tom Hall

September 1st 2020

Environmental laboratories with high sample throughput often wish to analyze PCDD/Fs and PCBs in separate fractions. The cleanup method described here results in complete separation, and offers an alternative to fully manual or fully automated cleanup.

The Analysis of Persistent Organic Pollutants Using Pressurized Liquid Extraction and Automated Column Chromatography Sample Cleanup

Tom Hall;Ruud Addink

October 1st 2017

The persistent nature and toxicity of persistent organic pollutants (POPs) lead to high demands for quick and accurate sample analysis. This article describes the use of automated sample processing techniques such as pressurized liquid extraction and automated column chromatography cleanup that are suitable for environmental sample analysis.