| 大气VOCs在线监测系统测量准确性分析 |
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| 引用本文： | 王东方,聂剑文,欧阳鸿.大气VOCs在线监测系统测量准确性分析[J].环境监控与预警,2022,14(1):49-52. |
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| 作者姓名： | 王东方 聂剑文 欧阳鸿 |
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| 作者单位： | 上海建科环境技术有限公司,上海201108;上海老港固废综合开发有限公司,上海201302 |
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| 基金项目： | 上海市科技攻关基金资助项目（20dz1204009）；上海城投科技创新计划基金资助项目（CTKY-ZDXM-2019-019） |
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| 摘 要： | 基于在线气相色谱-氢火焰离子检测/质谱(GC-FID/MS)方法,在线测量116种大气挥发性有机物的性能指标(线性关系、检出限、精密度、正确度、期间正确度和期间精密度).基于在线监测系统连续7d的实际运行情况,定量评估116种有机物在实际长期运行中测量的准确性和可靠性.结果 表明,116种组分中,109种组分的线性相关...
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| 关 键 词： | 大气 挥发性有机物 气相色谱-氢火焰离子检测/质谱 在线监测 准确性 |
| 收稿时间： | 2021/7/19 0:00:00 |
| 修稿时间： | 2021/8/4 0:00:00 |
Accuracy Analysis of VOCs in Air Online Monitoring |
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| WANG Dong-fang,NIE Jian-wen,OUYANG Hong.Accuracy Analysis of VOCs in Air Online Monitoring[J].Environmental Monitoring and Forewarning,2022,14(1):49-52. |
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| Authors: | WANG Dong-fang NIE Jian-wen OUYANG Hong |
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| Institution: | (Shanghai Jianke Enviromental Technology Co.Ltd.,Shanghai 201108,China;Shanghai Laogang Solid Waste Comprehensive Development Co.Ltd.,Shanghai 201302,China) |
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| Abstract: | Based on online GC-FID/MS method,the performance indexes of 116 atmospheric VOCs were analyzed including linearity,detection limit,precision,accuracy,period accuracy and period precision.The accuracy of 116 volatile organic compounds measured by GC-FID/MS was systematically analyzed.The measurement accuracy and reliability of 116 VOCs were quantitatively evaluated based on online operation for 7 consecutive days.The results showed that:among 116 species,the linear correlation coefficient(R)of 109 species was≥0.98;the minimum detection limit of the 113 species was<0.15 nmol/mol;the accuracy of the 103 species was within±15%,and the precision of all species was within 15%. |
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| Keywords: | Air VOCs GC FID/MS Online monitoring Accuracy |
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