The in-flight sensitivity of gold-tube NOy converters to HCN

被引：4

作者：

Weinheimer, AJ ^{[1
]}

Campos, TL ^{[1
]}

Ridley, BA ^{[1
]}

机构：

[1] Natl Ctr Atmospher Res, Boulder, CO 80307 USA

来源：

GEOPHYSICAL RESEARCH LETTERS | 1998年 / 25卷 / 21期

关键词：

D O I：

10.1029/1998GL900066

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

In-flight measurements of the HCN conversion efficiency of three gold-tube NOy converters were made during the recent TOTE/VOTE and SUCCESS aircraft projects. While sampling ambient air and with the upstream addition of 500 ppmv H2O, two converters had HCN conversion efficiencies averaging about 5%. The H2O addition was a routine part of the NOy measurement procedure for these projects. A third converter showed much higher HCN conversion, about 30%. Conversion efficiencies determined while sampling synthetic air were significantly higher than those measured while sampling ambient air. The dependence of conversion efficiency on ambient H2O and O-3 was minimal, at least with respect to the variability of the measured values over the course of the missions.

引用

页码：3943 / 3946

页数：4

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