![Sample our Physical Sciences journals, sign in here to start your FREE access for 14 days]({"type":"image" , "src" : "/sda/110819/TOC-Subject-Sample-2021-Physical-Sciences.jpg"})
Abstract
Two methods for the determination of gaseous hydrogen peroxide in ambient air were tested during the Carbon Species Methods Comparison Study conducted at Glendora, CA, August 12–20, 1986. Air was sampled by the BNL dual impinger/diffusion scrubber apparatus after ambient ozone removal by addition of NO. Sampling was done during daylight hours (∼ 0800–2000 hours) from a sampling line shared with the National Center for Atmospheric Research (NCAR) and Texas Tech University (TTU) groups. Impinger data were formally compared with results from other methods; they showed afternoon maxima which were generally < 1 ppbv for the first 5 days, and > 1 ppbv the last 4 days of the study, respectively. Data from the diffusion scrubber agreed well with the impinger data if the former are corrected for an ∼ 40% aqueous phase loss of collected H2O2. Error sources for impinger and scrubber data resulting from potential interferences and loss mechanisms are discussed.
By acceptance of this article, the publisher and/or recipient acknowledges the U.s. Government's right to retain a nonexclusive, royalty-free license to any copyright covering this appear.
Notes
By acceptance of this article, the publisher and/or recipient acknowledges the U.s. Government's right to retain a nonexclusive, royalty-free license to any copyright covering this appear.