MULTI-BED ADSORPTION TUBE AND QUANTITATIVE ANALYSIS METHOD FOR TRACE MULTI-COMPONENTS OF VOLATILE ORGANIC COMPOUNDS(VOCS) AND ODORS
A multi-bed adsorption tube, and a quantitative analysis method for a trace of composite volatile organic compounds and odor materials using the multi-bed adsorption tube are provided to analyze a composite material of reduced sulfur, amines, alcohols, aldehydes and ketones simultaneously. A multi-b...
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Zusammenfassung: | A multi-bed adsorption tube, and a quantitative analysis method for a trace of composite volatile organic compounds and odor materials using the multi-bed adsorption tube are provided to analyze a composite material of reduced sulfur, amines, alcohols, aldehydes and ketones simultaneously. A multi-bed adsorption tube comprises a tube which is filled with at least two kinds of adsorbents in multi-bed. An adsorbent having a weak adsorbing power and an adsorbent having a strong adsorbing power are filled into the adsorption tube in turn from the inlet of a pollutant gas to the outlet. Preferably the adsorption tube is filled with 50-85 wt% of Tenax-Ta, 10-25 wt% of Carbopack B and 5-25 wt% of Carbosieve SIII in turn. |
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