Measurement of total PM2.5 mass (nonvolatile plus semivolatile) with the Filter Dynamic Measurement System tapered element oscillating microbalance monitor -: art. no. D07S03
Measurement of total PM2.5 mass (nonvolatile plus semivolatile) with the Filter Dynamic Measurement System tapered element oscillating microbalance monitor -: art. no. D07S03
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DOI：
10.1029/2004jd004995
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发表时间：
2005-04-07
影响因子：
4.4
通讯作者：
Ambs, JL
中科院分区：
文献类型：
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作者：
Grover, BD;Kleinman, M;Ambs, JL
已在犹他州的林登（2003年2月）和加州的鲁比杜克斯（2003年7月）进行了现场研究，以确定Rupprecht和Patashnick（RFP）过滤器动态测量系统（FDMS）是否可确定细颗粒物总质量，包括半挥发性硝酸铵和有机物质。使用FDMS、具有加热过滤器的常规锥形元件振荡微量天平（TEOM）监测器、RFP差分TEOM监测器、杨百翰大学（BYU）实时总环境质量采样器（RAMS）、杨百翰大学颗粒浓缩器-有机采样系统（PC-BOSS）、PM2.5联邦参考方法（FRM）、PM2.5形态采样器、RFP连续硝酸盐监测器、和两个Sunset连续碳监测器（一个用于测量石英过滤器保留的颗粒碳，一个用于测量采样期间从过滤器上的颗粒损失的颗粒半挥发性含碳材料）。RAMS和PC-BOSS采样器已被证明可以测定细颗粒材料，包括半挥发性和非挥发性成分。在林登中心，FDMS（X）和PC-BOSS（Y）以及FDMS（X）和RAMS（Y）之间的线性回归分析得到的零截距斜率分别为1.01 +/- 0.06（r（2）= 0.63）和1.00 +/- 0.01（r（2）= 0.69）。在Rubidoux采样点，PC-BOSS（X）和FDMS（Y）之间的线性回归分析得出零截距斜率为0.96 +/- 0.02（r（2）= 0.90）。FDMS（X）和RAMS（Y）之间的线性回归分析得到的零截距斜率为0.99 +/- 0.01（r（2）= 0.80）。在这两个地点进行的测量表明，FDMS和RFP差分TEOM监测器确实测量了细颗粒物的总质量，包括半挥发性硝酸铵和有机物质。加热的TEOM监测器和PM2.5 FRM都没有测量半挥发性材料。FDMS和加热的TEOM监测器之间的差异被解释为半挥发性硝酸铵和有机材料测量的各种化学成分监测器。
Field studies have been performed in Lindon, Utah (February 2003) and Rubidoux, California (July 2003) to determine if the Rupprecht and Patashnick (RFP) Filter Dynamic Measurement System (FDMS) determines total fine particulate mass, including the semivolatile ammonium nitrate and organic material. Collocated measurements were made with the FDMS, a conventional tapered element oscillating microbalance (TEOM) monitor with a heated filter, an RFP differential TEOM monitor, the Brigham Young University (BYU) Real-Time Total Ambient Mass Sampler (RAMS), the BYU particle concentrator-organic sampling system (PC-BOSS), a PM2.5 Federal Reference Method (FRM), a PM2.5 speciation sampler, an RFP continuous nitrate monitor, and two Sunset continuous carbon monitors ( one to measure quartz filter-retained particulate carbon and one to measure particulate semivolatile carbonaceous material lost from the particles on a filter during sampling). The RAMS and PC-BOSS samplers have been shown to determine fine particulate material, including both the semivolatile and the nonvolatile components. Linear regression analysis at the Lindon site between the FDMS ( X) and the PC-BOSS (Y), and the FDMS (X) and the RAMS (Y), resulted in zero-intercept slopes of 1.01 +/- 0.06 (r(2) = 0.63) and 1.00 +/- 0.01 (r(2) = 0.69), respectively. At the Rubidoux sampling site, linear regression analysis between the PC-BOSS (X) and the FDMS( Y) gave a zero-intercept slope of 0.96 +/- 0.02 (r(2) = 0.90). Linear regression analysis between the FDMS (X) and the RAMS (Y) resulted in a zero-intercept slope of 0.99 +/- 0.01 (r(2) = 0.80). Measurements made at the two sites indicate that the FDMS and the RFP differential TEOM monitors do measure total fine particulate mass, including the semivolatile ammonium nitrate and organic material. Both the heated TEOM monitor and PM2.5 FRM did not measure the semivolatile material. The difference between the FDMS and a heated TEOM monitor was explained by the semivolatile ammonium nitrate and organic material measured by the various chemical composition monitors.