期刊论文

中文

环境监测管理与技术

1006-2009

2015

27

2

39-42

10.3969/j.issn.1006-2009.2015.02.011

农业部农产品质量安全监管基金资助项目（2013F301）；

本校为第一机构

采用HPLC法测定烟叶和烟田土壤样品中盐酸吗啉胍的残留,通过对样品前处理条件和仪器测定条件进行优化,使该方法在0.100 mg/L~10.0 mg/L范围内线性良好。烟田土壤、鲜烟叶、烤后烟叶中盐酸吗啉胍的方法检出限分别为32.1 μg/kg、22.9 μg/kg、46.5 μg/kg,空白样品3个质量比水平的加标回收率为79.4% ~ 93. 8%,RSD 为5. 7% ~12.3%。将该方法用于研究盐酸吗啉胍在烟叶和烟田土壤中的消解动态,得知盐酸吗啉胍在烟叶中的消解半衰期为24.76 d ~ 27.73 d,在烟田土壤中为13.41 d~16.23 d。

The experiment uses the HPLC technique to study the moroxydine hydrochloride residues in the tobacco leaves and tobacco soil,and the conditions of sample pretreatment and equipment detecting are both opti-mized,making the linearity of this technique well in the range from 0.1 00 mg /L to 1 0.0 mg /L.The method de-tection limits of moroxydine hydrochloride in tobacco soil,fresh tobacco leaves and baked tobacco leaves are 32.1 μg /kg、22.9 μg /kg、46.5 μg /kg respectively.The spiked recovery test of three concentration levels were done in blan...