苯黄隆在小麦和土壤中的残留研究

Residue Analysis of Tribenuron-methyl inWheat and Soil

经高效液相色谱法测定，最小检知量为１×１０￣－９克，麦面中最低检知浓度为０．０５毫克／公斤，土壤中为０．０２５毫克／公斤。麦面中回收率为７５．５～７９．８％，变异系数为３．５３～５．９４％；土壤中回收率为１０１．０～１０６．２％，变异系数为４．４３～６．１６％。

The residue of tribenuron-methyl was determinedby high performance liquid chromatography.The detectionlimit was as low as 1×10￣-9 grams,and the minimal quantita-tions in wheat flour and soil were 0.05 and 0.025 mg/kgseperately, recoveries in wheat flour and soil were from75.5%to 79.8%and 101. 0 to 106.2%respectively,their co-efficients of variation ranged from3.53 to 5.94%and 4.43 to 6.16%seperately.