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Principles of Operation, Maintenance, and Troubleshooting for Sulfur and Nitrogen Chemiluminescence Detectors with Gas Chromatography

Sulfur and nitrogen chemiluminescence detectors play important roles in the analysis of trace species as they are applied in the laboratories of a wide array of industries, from foods, flavors, and beverages to petroleum and petrochemicals. Each of these detectors is based on a similar mechanism involving ozone-induced chemiluminescence. Important detector attributes include high elemental specificity, high sensitivity, and a linear and equimolar response on an S or N basis. This allows the gas chromatographer to detect trace species of interest in complex sample matrices without having to achieve complete separation. This presentation will compare and contrast the mechanism of each detector and use this background to help guide best practices for detector operation, maintenance, and troubleshooting.

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