VE-4000-VOCs is composed by headspace sample introduction module and high temperature chromatographic analysis module (GC-FID). It is able to monitor benzene series (benzene, toluene, xylene, ethyl benzene, styrene, etc.) and other volatile organic pollutants in industrial wastewater and surface water section. The water sample is pumped into headspace pool of analyzer through pretreatment pipeline; under condition of constant temperature heating, the volatile organic compounds in water sample are transferred to gas phase space above liquid
Surface, then through pressurizing and decompressing of carrier gas, the volatile sample gas is transferred to high temperature chromatographic analysis module for detection. Through the process of changing liquid phase to gas phase via headspace sampling device, volatilized clean gas can be measured directly. The inﬂuence of impurities (such as suspended matter) in water on the analysis ﬂow path can be overcome.
The product can be applied for VOCs monitoring in discharge of waste water from Coatings, resins, pharmaceuticals industry, as well as concentrated drinking water and surface water source.