...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Journal of pesticide science >A simple and sensitive assay using GC-MS for determination of chlorfluazuron in termites
【24h】

A simple and sensitive assay using GC-MS for determination of chlorfluazuron in termites

机译：使用GC-MS进行白蚁中氯氟嘧隆的简单而灵敏的测定

获取原文
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Chlorfluazuron (CFZ) is a benzoylphenylurea insecticide that is commonly used in baits for management of subterranean termites. In this study, a new method using GC-MS for the determination and quantification of CFZ in termites was developed and validated. Since a small volume of organic solvent (250?μL) was used in the sample preparation procedure, the extract was analyzed without any evaporation. The assay was simple and rapid, with a short GC run time (10.0?min). The calibration curve was linear over the range of 0.1–2.5?μg/g, and the correlation coefficient was >0.998. This method was sensitive, as demonstrated by the detection and quantification limits of 0.003?μg/g and 0.1?μg/g, respectively. The mean recovery of CFZ from spiked samples was 95.6%. The within-day and between-day precision and accuracy of the assays ranged between 1.19 and 6.43%. This method was used to screen for CFZ transfer between nestmates of a treated Macrotermes gilvus mound. The highest amount of CFZ was detected in workers from the royal chamber, followed by workers in the peripheral zone, workers in the nursery zone, larvae in the nursery zone, and larvae in the peripheral zone.
机译：氯氟天龙（CFZ）是苯甲酰基苯基脲的杀虫剂，通常用于诱饵中管理地下白蚁。在这项研究中，开发并验证了一种使用GC-MS测定和定量白蚁中CFZ的新方法。由于在样品制备过程中使用了少量有机溶剂（250？L），因此提取物的分析无需任何蒸发。该测定方法简单而快速，GC运行时间短（10.0分钟）。校准曲线在0.1–2.5？g / g范围内呈线性，相关系数> 0.998。该方法灵敏，检测和定量限分别为0.003？μg/ g和0.1？μg/ g证明。从加标样品中CFZ的平均回收率为95.6％。测定的日内和日间精确度和准确性在1.19％和6.43％之间。该方法用于筛选处理过的大白蚁土墩巢巢之间的CFZ转移。在皇室中的工人中发现的CFZ含量最高，其次是外围区域的工人，苗圃区域的工人，苗圃区域的幼虫和外围区域的幼虫。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号