Recent developments and applications of selected ion flow tube mass spectrometry (SIFT‐MS)

D Smith, P Španěl, N Demarais… - Mass spectrometry …, 2025‏ - Wiley Online Library
Selected ion flow tube mass spectrometry (SIFT‐MS) is now recognized as the most
versatile analytical technique for the identification and quantification of trace gases down to …

SIFT-MS: Quantifying the volatiles you smell… and the toxics you don't

VS Langford - Chemosensors, 2023‏ - mdpi.com
The human olfactory system is highly attuned to detection of a wide range of volatile organic
compounds (VOCs), but the sensitivity varies considerably based on chemical functionality …

Phase State Regulates Photochemical HONO Production from NaNO3/Dicarboxylic Acid Mixtures

Q Li, S Ma, Y Liu, X Wu, H Fu, X Tu, S Yan… - Environmental …, 2024‏ - ACS Publications
Field observations of daytime HONO source strengths have not been well explained by
laboratory measurements and model predictions up until now. More efforts are urgently …

HONO budget and its role in nitrate formation in the rural North China Plain

C Xue, C Zhang, C Ye, P Liu, V Catoire… - … science & technology, 2020‏ - ACS Publications
Nitrous acid (HONO) is a major precursor of tropospheric hydroxyl radical (OH) that
accelerates the formation of secondary pollutants. The HONO sources, however, are not well …

Evaluating the sensitivity of radical chemistry and ozone formation to ambient VOCs and NOx in Bei**g

LK Whalley, EJ Slater… - Atmospheric …, 2021‏ - acp.copernicus.org
Measurements of OH, HO 2, complex RO 2 (alkene-and aromatic-related RO 2) and total RO
2 radicals taken during the integrated Study of AIR Pollution PROcesses in Bei**g …

Different HONO sources for three layers at the urban area of Bei**g

W Zhang, S Tong, C Jia, L Wang, B Liu… - … science & technology, 2020‏ - ACS Publications
Gaseous nitrous acid (HONO) is a crucial precursor of the hydroxyl (OH) radical, which is a
“detergent” in the atmosphere. Nowadays, HONO formation mechanisms at polluted urban …

Elevated levels of OH observed in haze events during wintertime in central Bei**g

EJ Slater, LK Whalley… - Atmospheric …, 2020‏ - acp.copernicus.org
Wintertime in situ measurements of OH, HO 2 and RO 2 radicals and OH reactivity were
made in central Bei**g during November and December 2016. Exceptionally elevated NO …

Synthesizing evidence for the external cycling of NOx in high- to low-NOx atmospheres

C Ye, X Zhou, Y Zhang, Y Wang, J Wang… - Nature …, 2023‏ - nature.com
External cycling regenerating nitrogen oxides (NOx≡ NO+ NO2) from their oxidative
reservoir, NOz, is proposed to reshape the temporal–spatial distribution of NOx and …

Revisiting the ultraviolet absorption cross section of gaseous nitrous acid (HONO): New insights for atmospheric HONO budget

X Li, S Tian, K Zu, S **e, H Dong, H Wang… - Environmental …, 2024‏ - ACS Publications
Nitrous acid (HONO) is an important source of hydroxyl radicals (OH) in the atmosphere.
Precise determination of the absolute ultraviolet (UV) absorption cross section of gaseous …

Intercomparison of MAX-DOAS vertical profile retrieval algorithms: studies on field data from the CINDI-2 campaign

JL Tirpitz, U Frieß, F Hendrick, C Alberti… - Atmospheric …, 2020‏ - amt.copernicus.org
Multi-A**s Differential Optical Absorption Spectroscopy (MAX-DOAS) is a well-established
ground-based measurement technique for the detection of aerosols and trace gases …