Abstract
目的 建立工作场所空气中百草枯的高效液相色谱测定方法。方法用聚四氟乙烯滤膜采集工作场所空气中百草枯,用去离子水洗脱后高效液相色谱(紫外检测器)测定。结果方法的线性范围为0—30.0μg/ml;回归方程v=47x-22.8,相关系数r=0.9993;最低检出浓度为0.056mg/m^3(以采集45L空气样品计);3种不同浓度的批内、批间精密度分别为2.5%、1.3%、0.9%和3.4%、3.7%、3.5%;回收率为97.5%~102.5%;洗脱效率为97.3%~99.7%;采样效率为100%;样品在室温下至少可保存7d。结论方法的各项指标均符合GBZ/T210.4—2008《职业卫生标准制订指南第4部分:工作场所空气中化学物质测定方法》,可用于工作场所空气中百草枯的测定。
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
More From: Chinese Journal of Industrial Hygiene and Occupational Diseases
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.