キャピラリーサンプリング法による大気中炭化水素の分析 : サンプリング技術の開発

概要

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When one end of a capillary was exposed to air while another end was connected to the vessel kept at the pressure ranging from 0 to 0.3 atm., time average concentration of the substance in air can be obtained by measuring concentrations of the substance collected. In this paper, removal of ozone and nitrogen oxides which change the concentration of hydrocarbons at the same time was discussed. The removal method was investigated by using absorbent strontium peroxide 8 hydrated. Removeal efficiency of ozone and nitrogen oxides is 100% when the flow rate was less than 50ml/min. Gasoline was used as sample to make clear that hydrocarbons is not absorbed by strontium peroxide 8 hydrated. As the result, all of hydrocatbons were not absorbed by the absorbent.
東海大学の論文