Shimadzu's Tracera High-Sensitivity Gas Chromatograph Incorporates Novel Plasma Technology to Enable Trace Analysis

tracera (select to view enlarged photo)

KYOTO, Japan--February 18, 2013: Shimadzu Corporation (TOKYO:7701) today introduced the Tracera, a high-sensitivity gas chromatograph. Tracera is equipped with the newly developed barrier discharge ionization detector (BID), which is capable of detecting all types of trace organic and inorganic compounds, with the exception of helium (He) and neon (Ne), at the 0.1 ppm level (i.e. sub-ppm, where ppm refers to parts per million). Tracera GC is applicable for many types of high-sensitivity analyses typically performed with GC systems incorporating multiple detectors.

“The Tracera is a ground-breaking new system that combines this new type of detector, offering features not provided by conventional detectors, with the Shimadzu GC-2010 Plus high-performance capillary gas chromatograph”

This system will make its debut at PITTCON 2013, an international analytical instrument exhibition convened in the United States (March 17 to 21 at the Pennsylvania Convention Center in Philadelphia, Booth# 1434).

[Background to Development]

Gas chromatographs are used for research & development and quality control in a number of fields, involving petrochemistry, fine chemicals, the environment, pharmaceuticals, foods, electronics/semiconductors, and fragrances. In recent years, demands for higher sensitivity and trace quantity analyses have increased. Examples include impurity analysis on the order of a few ppm for materials used in fine chemical products, and gas purity analysis for semiconductor manufacture.

Thermal conductivity detectors (TCD) and flame ionization detectors (FID) are general-purpose detectors used in conventional gas chromatographs. A TCD detects a variety of inorganic and organic compounds, excluding the carrier gas component, but the sensitivity is insufficient. An FID is capable of detecting trace components at the ppm level, but can only detect organic compounds (excluding formaldehyde and formic acid). Analysis has thus required complex systems incorporating a variety of detectors to suit the target component.

With this issue in mind, Shimadzu has investigated the basics of plasma detection technology as a means for increasing sensitivity stability and the detectable concentration range. This has resulted in the barrier discharge ionization detector (BID), a new detector capable of the high-sensitivity detection of both organic and inorganic compounds, while providing excellent durability.

"The Tracera is a ground-breaking new system that combines this new type of detector, offering features not provided by conventional detectors, with the Shimadzu GC-2010 Plus high-performance capillary gas chromatograph," Said Masahito Ueda, General Manager of GC & TA Business Unit, Analytical & Measuring Instruments Division. "It is expected to improve the efficiency of high-sensitivity, trace-quantity analyses, and to reduce equipment and analysis costs."

[Main Features of This System]

1. High Sensitivity--Achieves detection sensitivity over 100 times that of TCD, and over twice that of FID

The built-in barrier discharge ionization detector (BID) generates helium plasma. The extremely high photon energy of this plasma ionizes the sample components, enabling high-sensitivity detection. This system achieves at least 100 times the sensitivity of a conventional TCD, and at least twice the sensitivity of FID, enabling the detection of all types of trace components at the 0.1 ppm level.

2. Universal Detector--Capable of detecting both organic and inorganic compounds with no difference in sensitivity

The new BID helium plasma has an extremely high energy. It can detect all organic and inorganic compounds, with the exception of He and Ne, with no difference in sensitivity. It improves analysis sensitivity even with aldehydes, alcohols, and halides, for which sensitivity decreases with FID. A single Tracera system can perform analyses that conventionally required complicated systems equipped with multiple detectors and units. Examples include the analysis of hydrogen and organic compounds such as formic acid, generated as part of the reaction process during artificial photosynthesis, and the analysis of low concentration hydrocarbons and permanent gases generated in lithium ion rechargeable batteries.

3. Long-Term Stability--Adopts electrode-preserving plasma generation technology

With the new BID, the plasma is generated inside a quartz tube, so it makes no contact with the discharge electrode used for plasma generation. As a result, the detector electrode is not degraded, achieving long-term analytical stability.

Note: "Tracera" is a compound word consisting of "trace" and "era."
For more details, visit Shimadzu Tracera

Founded in 1875, Shimadzu Corporation, a leader in the development of advanced technologies, has a distinguished history of innovation built on the foundation of contributing to society through science and technology. Shimadzu maintains a global network of sales, service, technical support and applications centers on six continents, and has established long-term relationships with a host of highly trained distributors located in over 100 countries.

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