氯噻啉在青菜上的残留特性及其膳食摄入风险评估

李晓贝,赵晓燕,李健英,陈磊,周昌艳,何香伟

Residue Behavior and Dietary Intake Risk Assessment of Imidaclothiz in Pakchoi (Brassica chinensis L.)

LI XiaoBei,ZHAO XiaoYan,LI JianYing,CHEN Lei,ZHOU ChangYan,HE XiangWei

表5 氯噻啉在青菜中残留消解动态回归方程及相关参数

Table 5 Regression equation and relevant parameters of degradation dynamics of imidaclothiz in pakchoi

试验条件 Experimental condition 消解动态方程 Linear equation of degradation dynamics 相关系数 R2 半衰期 T1/2 (d) 大棚/冬 Greenhouse in winter C=0.8476e-0.158t 0.8504 4.39 大棚/夏 Greenhouse in summer C=1.6558e-0.212t 0.9739 3.27 露地/夏 Open fields in summer C=4.3069e-1.197t 0.9553 0.58