Detecting Ultra-Trace Level Total Nitrogen / Sulfur Analysis with NEXIS TN/TS Analyzer
The future requirements of Total Sulfur/Nitrogen analysis in light liquid hydrocarbons like petrochemical base, intermediate and final products are heading towards very low concentration levels (ppb). This application note shows the precision, Level of Detection (LOD) and repeatability performance when a simultaneous analysis of Total Nitrogen and Sulfur is conducted using the NEXIS Combustion analyzer equiped with both ONE-Cal™ functionality and Digital Signal Prcoessing Technology (DSP). DSP Technology will enhance the Sulfur/Nitrogen detector performance resulting in a level of high sensitivity and repeatability.
This note shows the raw analytical calibration data and achieved LOD’s for both Nitrogen and Sulfur using the NEXIS model equipped with the AS120 liquids autosampler in the range of 0 – 1000 ppb.
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