C6-C12 High Carbon VOCs Online Gas Chromatography

Product Introduction:

Instrument principle

The instrument is based on gas chromatography technology, combined with a room temperature adsorption rapid thermal analysis system, to analyze C6~C12VOCs in the sample gas. The diaphragm pump is used to actively extract air samples, and the sampling volume is precisely controlled by a high-precision mass flow controller (MFC). Low carbon volatile organic compounds in the sample are adsorbed in a composite packed adsorption tube, flashed and injected into a gas chromatography separation system with pre column blowback. High boiling point compounds above C12 are blowback, and target compounds in the C6-C12 range are detected by a hydrogen flame ionization detector (FID).

Instrument Features

>Composite fillers filled adsorption tubes have good adsorption performance for different types of target compounds, with a maximum sampling volume of over 1L;

>Rapid flash evaporation technology, with a maximum heating rate of up to 40 ℃/s for the adsorption tube, ensures a narrow injection band width;

>By using pre column/reverse blowing technology, the target components are retained and the high boiling point components in the sample are blown back, which not only shortens the total analysis time but also extends the service life of the analysis column, reducing operation and maintenance costs;

>The analysis flow path adopts deactivated and passivated pipelines and devices, which have no adsorption on the sample and accurate measurement results;

>Using automatic electronic flow control technology (EPC) to control carrier gas, air, and hydrogen, with high precision (0.01psi), good repeatability and reproducibility;

>The core components are all made of internationally renowned brands, with high reliability and long service life.

Application field

>Online monitoring of urban ambient air

>Online monitoring of volatile organic compounds at discharge outlets or factory boundaries in chemical industrial parks

>Online monitoring of specific pollutants

Technical Specifications