Abstract
In the field of chemical analysis, the gas chromatograph (GC) has been widely used because of its flexibility, short measurement time and low running cost. Recently, high-sensitive detection is required for further improvement of analytical performance. To realize high sensitivity, excellent detector for GC is needed. Until now, many types of detectors have been developed. Thermal Conductivity Detector (TCD) is the most common detector and it is applicable for almost all samples. But the limit of detection (LOD) of TCD is not good, which is on the order of 100 ppm. Flame ionization detector (FID) is another excellent detector, which utilizes hydrogen flame ionization. So, FID is the best choice for detection of flammable components and it realizes excellent LOD, on the order of 10 ppb. However, FID can not be applicable for detection of inflammable components.
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