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20 % 丁硫·唑乳油采用高效液相色谱法,在C18 柱上,以甲醇/水= 90/10 为流动相;检测波长0~4min 254nm ,4 ~9min 280nm 。本方法中丁硫克百威和唑蚜威变异系数分别为0 .56% 和0.28 % ,平均回收率分别为99 .4 % 和99 .2 % 。
20% butylthiozole EC was determined by HPLC. The mobile phase was methanol / water = 90/10 on C18 column. The detection wavelength was 0-4min 254nm and 4-9min 280nm. In this method, the variation coefficients of metsulfuron-methyl and azoxystrobin were 0. 56% and 0.28%, respectively. The average recoveries were 99%. 4% and 99. 2%.