イオン会合法による殺虫剤カルタップの比色およびけい光定量について

概要

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Cartap could be determined colorimetrically and fluorometrically by use of ion pair extraction with calcon, which was used for fluorometric reagent of aluminium ion. Cartap (S, S'-[2-(dimethylamino) trimethylene]-bis (thiocarbamate)) was hydrolyzed to nereistoxin, and then 0.5 ml of 0.2% calcon and 4 ml of dichloromethane was added to 1 ml of the nereistoxin solution in acidic medium. The mixture was shaked mechanically for 1 min, followed by separation and centrifugation of the extracted solution. The solution showed max. absorbance at 530 nm, and that obeyed Beer's law in the range of 1 to 20μg/ml. Then, the solution was made to be fluorescence one by the addition of aluminium ion in acidic medium. Samples including lower content of cartap could be determined by the measurement of fluorescence intensity.
社団法人日本薬学会の論文
1983-06-25