<論文>海洋大気エアロソル中の主要無機陰イオン成分のイオンクロマトグラフィーによる定量

概要

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A method for determination of major anions (chloride, nitrate, sulfate) in the marine aerosol was developed by using a ion chromatograph. Aerosol samples were collected for 24 hrs by using a high-volume air-sampling system (〜0.5 m^3/min) and Whatman 41 filters (20 X 25 cm). A sample was cut from a folded filter with a punch 2.1 cm in diameter, and four pieces were extracted with deionized distilled water in a teflon beaker accelerated the leaching by using a ultrasonic bath for 10 min. After filtration of the extracted solution, the filtrate was measured by the ion chromatograph. The aerosol particles were distributed uniformly over the filter. The accuracy of the method was agreed well with the standard solution of acid rain within 4% for all measured anions. The reproducibility of analytical values for measured anions was less than 2.5%. This method was applied to the samples collected on the board of R/V Bosei-Maru during the cruise in the Pacific Ocean.
北海道東海大学の論文
1996-03-21