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Improving Automated SPE Disk Extraction Technology for Semivolatile Compounds in Groundwater Using US EPA Method 8270

Biotage
15 Feb 2019

This application note will demonstrate the results of Initial Demonstration of Proficiency (IDP) evaluations for compliance with US EPA Method 8270E to determine a list of 114 semi-volatile organic compounds that are neutral, acidic, and basic. In addition to the IDP, a typical groundwater sample will be evaluated and contains a different matrix and particulate content than seen in the IDP. The Matrix Spike (MS)/ Matrix Spike Duplicate (MSD) will demonstrated. Solid phase extraction is described as a suitable sample preparation alternative in Method 8270 and companion method US EPA 3535 outlines the general use of SPE. Suitable sorbent material in disk format for this list of analytes and a modern system for automation will be demonstrated.

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Sample PreparationSample preparation can improve the quality and speed of separation techniques. Products to assist sample preparation include filtration equipment, evaporators, membranes and sieves.Solid-Phase ExtractionSolid-phase extraction (SPE) is used for clean-up, extraction and concentration of semi-volatile or non-volatile analytes from complex mixtures including blood, urine and food samples. Multiple formats are available for conducting SPE, including prepacked SPE cartridges, disks and microplates, as well as SPE sorbent powders for manual packing. SPE systems can be used to automate the process and extract multiple samples at once. Solid-phase microextraction (SPME) and supported liquid extraction (SLE) products are also available in the same formats. Find the best SPE, SLE and SPME equipment in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.Solid Phase Extraction (SPE)Solid phase extraction (SPE) is a sample preparation technique used to separate and concentrate analytes from complex mixtures. It is widely used in environmental, pharmaceutical, and clinical analysis. SPE provides higher sensitivity and selectivity compared to traditional liquid-liquid extraction methods, making it essential for accurate and reproducible results. Explore SPE tools and systems in our peer-reviewed product directory; compare products, check reviews, and get pricing directly from manufacturers.PittconPittcon is one of the largest conferences and exhibitions dedicated to laboratory science. It brings together professionals and innovators in analytical chemistry, physics, and biology, offering a platform to explore the latest scientific tools and technologies. From cutting-edge laboratory instruments to emerging research trends, Pittcon is a must-attend event for professionals in research and development.

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Improving Automated SPE Disk Extraction Technology for Semivolatile Compounds in Groundwater Using US EPA Method 8270