Nexis SCD-2030 Sulfur Chemiluminescence Detection System Achieves World's Highest Sensitivity Level

Shimadzu Corporation has released the Nexis SCD-2030 sulfur chemiluminescence detection system. This system consists of a Nexis GC-2030 high-performance gas chromatograph and the newly developed SCD-2030 sulfur chemiluminescence detector. With the release of the Nexis SCD-2030, which achieves the world's highest level of sensitivity and offers excellent operability, maintainability, and stability, Shimadzu is now a serious contender in the SCD (sulfur chemiluminescence detector) market.

The sulfur in fossil fuels not only causes air pollution, but it also interferes with catalysts during chemical reactions. Petrochemical companies are striving to reduce the sulfur content of fuels and have developed low-sulfur fuels containing only several tens of ppb or less. To accurately measure trace amounts of sulfur in fuel, a high-sensitivity SCD detector is essential. Against this background, global sales of SCD detectors are expected to increase steadily in the future, and demand for instruments that excel in high-sensitivity detection will grow.

In May 2017, Shimadzu released the Nexis GC-2030, a next-generation gas chromatograph that offers the world's highest level of performance. That product has now been combined with the newly developed SCD-2030 sulfur chemiluminescence detector to create the Nexis SCD-2030 sulfur chemiluminescence detection system. In addition to the petrochemical field, the system is expected to be used for research and development and quality control in such areas as food, beverages, fragrances, gases, and fuel cells. It will deliver a new solution for low-concentration sulfur component analysis to a variety of users.

Features

1. World's Highest Level of Sensitivity

By adopting a horizontal positioning system for the redox cell, the flow path from the cell to the detector has been reduced to one-third compared with previous SCD detectors. Unstable components can be introduced into the reactor chamber at a high speed, which minimizes sensitivity loss and enables analysis to be performed with the world's highest level of sensitivity. (The sensitivity is about three times higher than the SCD previously provided by Shimadzu.)

2. Dramatically Improved Operability and Maintainability

In models with built-in vertical redox cells, replacing the consumable parts (the inner pyro tube) is a difficult, time-consuming process. With the Nexis SCD-2030 horizontally positioned sulfur chemiluminescence detection system, replacement of the inner pyro tube takes only five minutes. In addition, the Nexis SCD-2030 automatically adjusts the gas and temperature, so measurement preparations are completed with just a single touch. Combined with the LabSolutions analysis data processing system, the entire workflow from system check to starting/ending analysis and stopping the instrument can be automated. Automating the processes performed by the operator supports a more efficient workflow, and can prevent damage and degradation of detectors due to human error.

3. High Stability

The Nexis SCD-2030 utilizes the first horizontal positioning system in the industry for the redox cell, a core component of sulfur chemiluminescence detectors. This design enables a stable redox reaction by ensuring sufficient reaction zone and reaction time. Compared with other companies' SCD detectors, the Nexis SCD-2030 achieves higher, long-term stability (24-hour sensitivity fluctuation is about 1.6 times better), while the effect of differences in analytical conditions, such as the column flowrate, is minimized.

NEWS / EVENT

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