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The instrumentdetection limits (IDL) for trifloxystrobin, metabolite CGA 321 113 and tebuconazole were calculated from seven injections of standard solutions of 0.1 ¦ÌgmL−1 of each pesticide in the following manner: IDL (¦ÌgmL−1) = (SD ¡Á t99 ¡Á C)/Astd where SD is the standard deviation of the peak areas of replicate injections, t99 is the Student t-value at a 99% level of confidence, C is the concentration of pesticide (¦ÌgmL−1) and Astd is the mean peak area of the corresponding pesticide. t99ÊÇʲôÒâ˼°¡¡£¡£¡£¡£ |
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