Development of Analytical Method for Trace Level of Organotin Compounds Using Stir Bar Sorptive Extraction/GC-MS
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概要
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The analytical procedure for trace level organotin compounds in seawater by TDS-GC-MS method using the stir bar sorptive extraction method was developed. Using this technique, it was possible to shorten the pretreatment time drastically (about 3 hours), and to reduce sample volume to 100ml by the simplification of the pretreatment. Background Equivalent Concentration (BEC) of this method are 0.19 for tributyltin (TBT), and 0.14 pg ml<SUP>-1</SUP> for triphenyltin (TPT) . These blank levels showed the sufficient sensitivity of this method in order to analyze trace organotin compounds in open sea water. In the result, it was possible to analyze under 0.1 pg ml<SUP>-1</SUP> concentration range of TBT and TPT using this method. By using this technique, the improvement of simplification of the pretreatment and lower detection became possible.
- 日本環境化学会の論文
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