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Analytical method of guazatine by GC-MS with a short capillary column



Analytical method of guazatine by GC-MS with a short capillary column



Journal of Pesticide Science 18(2): 141-146



A capillary GC-MS method has been developed for analysis of guazatine. On a short capillary column (DB-5, 0.25 mm-vphi x 5 m, df = 0.1 mu-m), a symmetrical peak of trifluoroacetate of bis(trifluoromethyl)pyrimidine derived from guazatine was recorded. Its EI mass spectrum showed the base peak at m/z 244 and the molecular ion peak at m/z 795. By the SIM method with these two ions, calibration curves were fairly linear in the range of 40-750 pg. The minimum detectable quantity was determined to be 40 pg.

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Accession: 002301121

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