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Simultaneous online determination of nitric acid and nitrates in ambient air
- 1.0578215 - ÚIACH 2024 RIV CZ eng K - Conference Paper (Czech conference)
Alexa, Lukáš - Čmelíková, D. - Cigánková, Hana - Mikuška, Pavel
Simultaneous online determination of nitric acid and nitrates in ambient air.
Sborník konference České aerosolové společnosti. Praha: Česká aerosolová společnost, z.s., 2023 - (Suchánková, L.), s. 33-34. ISBN 978-80-908653-1-0.
[Výroční konference České aerosolové společnosti /22./. Čeladná (CZ), 13.11.2023-14.11.2023]
R&D Projects: GA ČR(CZ) GA20-02203S
Grant - others:AV ČR(CZ) StrategieAV21/20
Program: StrategieAV
Institutional support: RVO:68081715
Keywords : nitric acid * nitrates * online analysis * CGU-ACTJU * CWEDD
OECD category: Analytical chemistry
The innovated method for the simultaneous online determination of HNO3/NO3- in ambient air was developed. Due to high sensitivity of CLD (LOD = 5.1 nM in water solution, 3 s/n) no preconcentration method is required. The online methods were compared with the results obtained with the offline method based on sampling using filters and dry denuders (DD) covered by 0.5% NaF with subsequent analysis by ion chromatography (model ICS-2100, Dionex, USA) and capillary electrophoresis (model Agilent 7100, Agilent Technologies, USA).
Permanent Link: https://hdl.handle.net/11104/0347247
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Number of the records: 1