MEASUREMENTS OF NITROUS-ACID INSIDE 2 RESEARCH HOUSES

MEASUREMENTS OF NITROUS-ACID INSIDE 2 RESEARCH HOUSES
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DOI:
10.1021/es00080a011
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发表时间:
1990-10-01
影响因子:
11.4
通讯作者:
BILLICK, IH
BILLICK, IH
中科院分区:
环境科学与生态学1区
文献类型:
--
作者:
BRAUER, M;RYAN, PB;BILLICK, IH

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NO,NO2和HONO连续分析仪被用来研究这些气体的生产和衰减在两个室内空气质量研究所,使用不通风的气体空间加热器和范围作为燃烧源。与以前的研究一致,室内HONO conentrations在不通风燃烧期间升高。峰值(15分钟)水平高达100 ppb的HONO和24小时的平均值高达40 ppb的测量。所观察到的动力学表明二次形成的HONO,可能是由于涉及NO2的非均相反应,除了主要生产过程中的燃烧过程中的HONO。
Continuous analyzers for NO, NO2, and HONO were used to study the production and decay of these gases in two indoor air quality research houses, using unvented gas space heaters and ranges as combustion sources. In agreement with previous studies, indoor HONO conentrations were elevated during unvented combustion. Peak (15-min) levels up to 100 ppb HONO and 24-h averages as high as 40 ppb were measured. The observed kinetics suggest the secondary formation of HONO, possibly as a result of heterogeneous reactions involving NO2, in addition to primary production of HONO during combustion.