Abstract
Monitoring Volatile organic compounds (VOCs) was a very important measure for preventing environmental pollution, therefore, a mini gas chromatography (GC) flame ionization detector (FID) system integrated with a mini H2 generator and a micro GC column was developed for environmental VOC monitoring. In addition, the mini H2 generator was able to make the system explode from far away due to the abandoned use of a high pressure H2 source. The experimental result indicates that the fabricated mini GC FID system demonstrated high repeatability and very good linear response, and was able to rapidly monitor complicated environmental VOC samples.
Highlights
Volatile organic compounds (VOCs) were the premise of pollutants for forming PM 2.5 or heavy haze and choking smog, so monitoring VOCs was a very important measure for preventing environmental pollution
Monitoring Volatile organic compounds (VOCs) was a very important measure for preventing environmental pollution, a mini gas chromatography (GC) flame ionization detector (FID) system integrated with a mini H2 generator and a micro GC column was developed for environmental VOC monitoring
Samples were analyzed using a portable GC system integrated with a mini H2 generator, a micro GC column, and a mini FID (Fig. 1)
Summary
Volatile organic compounds (VOCs) were the premise of pollutants for forming PM 2.5 or heavy haze and choking smog, so monitoring VOCs was a very important measure for preventing environmental pollution. Fast, on-site, high precision and portable systems are the pressing need for providing realtime monitoring for quantification and identification analysis of environmental samples. With more and more demands for online monitoring of environmental samples, high sensitivity portable gas chromatography (GC) instruments were very urgent to be used. The development of the portable GC systems was limited due to large volume, high power consumption of traditional GC column. As micro-electro-mechanical systems (MEMS) technology matures, micro gas chromatography (GC) columns have a prospect future with some advantages of smaller volume, more rapid analysis, batch production, and less power consumption. Instead of the conventional GC columns, micro GC columns received greatly concerned and development in portable GC systems
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