Description
GCOM-4000-VOCs consist of headspace sampling module and high temperature chromatographic analysis modules(GC-FID). It can monitor volatile organic compounds such as section benzene series(benzene, toluene, xylene, ethyl benzene, isopropyl benzene) in industrial wastewater and the surface water and part of halogenated hydrocarbons. After the pipe pretreatment, water is pumped into the top of the analyzer empty pool, in the condition of constant temperature heating,volatile organic compounds in water samples are transferred to the gas phase space on the surface of the liquid. After inflating and decompression of carrier gas,sample gas is evaporating out and then transferred to high temperature chromatographic analysis module for testing. By headspace sampling device of liquid to gas phase process,direct measurement of volatile out clean gas overcome the effect of impurities such as suspended solids in water samples on analytic flowpath.
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