Thermo 42iTL (NO, NO2)

Gli ossidi di azoto (NOx=NO+NO2) sono misurati utilizzando un analizzatore a chemioluminescenza (Thermo 42i-TL), dotato di convertitore al molibdeno per la determinazione della NO2. A regime, ogni 24 ore viene eseguito un controllo di zero per la NO usando un generatore di aria zero e diluendo una miscela certificata di NO. In futuro la tecnica della GPT verrà utilizzata per verificare l’efficienza del convertitore di NO2.

Instrument (Thermo 42iTL) is connected by a Teflon pipe (OD: ¼”) to the air intake manifold. Antiparticulate filter (Teflon material) are present at the instrument inlet (changed every 30 days).

Currently only zero check are performed at the station by using an external zero air generator (Thermo 1160). A gas dilution/GPT system is available at the station (Thermo 160i). Once the implementation phase will be ended, this system will be used for executing every 48h span and zero checks for NO, as well as GPT test for evaluating the NO2 -> NO converter efficiency. A substitution of the analyser Molybdenum converter with a photolytic converter (e.g. BLC) is foreseen.

Data are recorded on a 1-minute basis by a station server and delivered in NRT mode to ISAC-CNR HQs in Bologna for publication on the web (http://www.i-amica.it/i-amica/?page_id=868).

Information about instrument functioning and intervention are stored within an e-logbook. Instrument manual are present at the station.

SOP are extracted by the ACTRIS “Draft for standardized operating procedures (SOPs) for NOxy measurements (Version: 2012/04/02)”

 
Citation proposal
(2013) . Thermo 42iTL (NO, NO2). https://geoportal.mountaingenius.org/geonetwork/srv/api/records/480dc961-9e89-456e-b472-732335cb7418
 

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Date ( Publication )
2013-05-20T10:26:00
Edition
Presentation form
Digital document
Purpose

Polluted air-mass transport studies. Photochemical process study.

Studio del trasporto di masse d'aria inquinate. Studio dei processi fotochimici.

Status
On going

  Originator

Maintenance and update frequency
As needed
Keywords ( Theme )
  • I-AMICA
Keywords ( Place )
  • Italy
GEMET - INSPIRE themes, version 1.0 ( Theme )
  • Atmospheric conditions
Keywords ( Place )
  • Calabria
Keywords ( Theme )
  • Nitrogen oxide
Keywords ( Theme )
  • Nitrogen dioxide
Keywords ( Theme )
  • Monossido di azoto
Keywords ( Theme )
  • Biossido di azoto
Keywords ( Place )
  • Lamezia Terme
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Copyright
Other constraints
Spatial representation type
Vector
Metadata language
eng
Character set
UTF8
Topic category
  • Boundaries
N
S
E
W


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Supplemental Information
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Reference system identifier
WGS 1984
OnLine resource
Near real-time data  

Near real-time data

OnLine resource
Site description  

Site description

Protocol
OGC:WMS-1.1.1-http-get-map
Name
Description
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Dataset
Statement

gmd:MD_Metadata

File identifier
480dc961-9e89-456e-b472-732335cb7418   XML
Metadata language
eng
Character set
UTF8
Parent identifier
6c8760a5-af72-4804-9cf8-081d787c0116
Date stamp
2015-05-06T10:19:56
Metadata standard name
ISO 19115:2003/19139
Metadata standard version
1.0

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