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Thermo Fisher Scientific Introduces Next Generation Ion Chromatography Suppressor

Thermo Fisher Scientific
9 May 2013
Sarah Thomas
Associate Editor

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Thermo Fisher Scientific Inc., the world leader in serving science, introduced the Thermo Scientific™ Dionex™ ERS™ 500 Electrolytically Regenerated Suppressor which replaces the Thermo Scientific™ Dionex™ SRS™ 300 Self Regenerating Suppressor. The Dionex ERS 500 Suppressor minimizes dispersion to deliver higher resolution separations, especially when coupled with Thermo Scientific™ Dionex™ 4 µm based IC columns. The Dionex ERS 500 suppressor permits improved compatibility with a wider range of detection techniques including MS, ICP, ICP-MS etc. due to its improved backpressure resilience. Additionally, the Dionex ERS 500 suppressor precludes the need for periodic chemical regeneration, allowing for greater ease of use and reproducibility.

Eluent suppression technology allows for a wide variety of inorganic and organic analyses for ion chromatography applications such as environmental, high purity water, semiconductor, high purity chemicals, food and beverage, pharmaceutical and process monitoring. Suppression greatly enhances signal-to-noise ratio by decreasing the background conductivity of the eluent and associated noise while simultaneously increasing analyte conductivity.

The Dionex ERS 500 is an electrolytic suppressor with a new hardware design that allows the suppressor to be more pressure tolerant than previous generation suppressor devices. The suppressor flow pathway has been redesigned to optimize band dispersion and improve the flow and sealing properties.

“We invented eluent suppression years ago to help make ion chromatography a mainstream technique,” said Chris Pohl, Thermo Fisher vice president, chromatography chemistry. “We’ve never stopped striving to improve the usefulness of the technique, and this new suppressor is an example of this relentless innovation.”

The Dionex ERS 500 suppressor is truly the next generation in suppression technology, significantly improving ruggedness without sacrificing performance or ease-of-use.

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Ion ChromatographyIon chromatography, also known as ion exchange chromatography, is a high-performance liquid chromatographic technique used for the separation and identification of ions or polar molecules in a sample, including proteins, nucleotides and amino acids. Equipment includes ion exchange columns, ion exclusion columns, ion chromatography systems, pumps, and detectors. Find the best ion chromatography equipment in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.Mass SpectrometryMass spectrometry (MS) is a powerful analytical technique used to identify and quantify molecules based on the mass-to-charge ratio of gas-phase ions. It provides detailed information about the structure, composition, and properties of compounds and is widely used across fields such as environmental monitoring, materials science, drug discovery and development, food and beverage testing, and wider chemical research. Key MS techniques include tandem mass spectrometry (MS/MS), liquid chromatography–mass spectrometry (LS-MS) and inductively coupled plasma (ICP-MS). Choosing from these wide range of techniques and technologies can be a daunting task, so keep up to date with scientific applications, performance expectations, and customer reviews here all in one place. Visit our product directory to receive quotes direct from the manufacturer. Environmental Monitoring and TestingEnvironmental monitoring and testing uses handheld portable analyzers, kits, spectrometers or chromatography systems for air, water, soil, food and other sample testing. Useful features of analyzers such as BOD and COD include portability, easy calibration, automation and sensitivity.  Environmental test kits for pH, water, moisture, etc, should be accurate, sensitive, reliable, fast and easy to use.Water PurificationThere are a number of water purification methods available to remove contamination from laboratory water. These systems include demineralization, reverse osmosis, filtration and ultrafiltration. A combination of methods is sometimes necessary to achieve purified water suitable for use in experiments.Food TestingFood testing refers to a variety experiments including PCR, mass spectrometry, processing, QuEChERS, analyzing and Kjeldahl.Environmental ContaminationContaminants in the environment are harmful chemicals that are present in the air, land and water. These include pesticides, pharmaceuticals, persistent organic pollutants (POPs) and many more.PharmaceuticalsPharmaceuticals are medicinal drugs used in healthcare to diagnose, prevent, cure and treat illnesses. Pharmaceuticals that are excreted after use appear in wastewater and can have detrimental effects on the environment.

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Thermo Fisher Scientific Introduces Next Generation Ion Chromatography Suppressor