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Trace Nitrogen / Sulphur / Chlorine

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The NEXIS Total Nitrogen / Sulfur / Chlorine analyzer is a horizontal oriented combustion analyzer with highest modularity and advanced detectors to measure simultaneous trace level nitrogen/sulfur and separate chlorine concentrations in a wide range of liquids, solids and LPG/Gas sample types. The NEXIS TN/TS/TX analyzer configuration detects these substances through a uniquely high effective NEX-ZTM combustion tube design that includes Ultra Violet Fluorescence (UVF), Chemiluminescence (CLD) and micro-coulometric (MCT) detectors. The NEXIS TN/TS/TX model is designed to facilitate high sample throughput by optional addition of the AS120 liquid autosampler that will support both syringe and boat introduction methods with high performance and reliability. This solution provides a fully automated trace level Total Nitrogen/Sulfur analyzer, which can be extended with heated sample tray capability. For Gas and LPG samples the NEXIS TN/TS/TX analyzer can be connected to a NEXIS GM module to facilitate this kind of samples with fast connectivity and ease of use operation through NEXIS LINK software.

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The NEXIS VP Total Nitrogen/Sulfur Analyzer is the most sensitive and reliable vertical combustion analyzer to detect precisely, from ultra trace to high ppm level, total sulfur concentrations in an extensive range of liquids and LPG/Gas samples. The NEXIS VP model TN/TS analyzer configuration detects simultaneously these substances through a uniquely high effective NEX-ZTM combustion tube design that includes a Ultra Violet Fluorescence (UVF) and Chemiluminescence (CLD) detectors. The NEXIS VP Total Nitrogen/Sulfur Analyzer is designed to facilitate high sample throughput by the AS/120 liquid autosampler through syringe introduction methods with optional heated and cooled sample trays. For Gas and LPG samples the NEXIS VP TN/TS analyzer can be connected to a NEXIS Gas Module (GM) to facilitate the safe and automated sampling and analysis process for these type of samples with fast connectivity and ease of use operation through NEXIS LINK software.

NEXIS Key Features


  • High performance CLD and UV-F detectors with LOD’s down to ppb level

  • Accurate, Fast and Reliable Total Nitrogen and Sulfur Data with DSP TechnologyTM

  • Compact and high performance microcoulometric detector with low level chlorine detection capabilities

  • Unique NEX-ZTM furnace tube design for long lasting and effective combustion

  • TRINITYTM module available to reduce nitrogen interference for trace level sulfur analysis

  • Optional AS120 Liquid autosampler with heated tray capabilities for high sample throughput

  • High efficiency boat cooling option for handling challenging sample matrices

NEXIS VP Key Features


  • Accurate, Fast and simultaneous Total Nitrogen and Sulfur Data

  • Unique vertical furnace tube NEX-ZTM design for effective combustion

  • Use of DSP TechnologyTM for ultra trace detection levels of Total Nitrogen and Sulfur with superior LOD’s

  • TRINITYTM module available to reduce nitrogen interference for trace level sulfur analysis

  • Regulatory compliance to international standards (ASTM, ISO, UOP, DIN)

  • AS120 Liquid autosampler with heated and cooled tray capabilities for high sample throughput

Check our new selection of laboratory instrumentation

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