Comparison Between Sensing Systems for Ammonium Detection And Measurement In Soil (Contributo in atti di convegno)

Type
Label
  • Comparison Between Sensing Systems for Ammonium Detection And Measurement In Soil (Contributo in atti di convegno) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1063/1.3156583 (literal)
Alternative label
  • De Cesare F., Zampetti E., Pantalei S., Macagnano A. (2009)
    Comparison Between Sensing Systems for Ammonium Detection And Measurement In Soil
    in 13th International Symposium on Olfaction and the Electronic Nose, ISOEN, APR 15-17, 2009 Brescia, ITALY, Brescia, APR 15-17, 2009
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • De Cesare F., Zampetti E., Pantalei S., Macagnano A. (literal)
Pagina inizio
  • 461 (literal)
Pagina fine
  • 464 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#altreInformazioni
  • Web of Science Categories: Chemistry, Analytical; Engineering, Electrical & Electronic; Food Science & Technology; Instruments & Instrumentation Research Areas: Chemistry; Engineering; Food Science & Technology; Instruments & Instrumentation IDS Number: BKQ19 ISSN: 0094-243X (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#titoloVolume
  • OLFACTION AND ELECTRONIC NOSE, PROCEEDINGS (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 1137 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
  • AIP Conference Proceedings, Vol. 1137, 461-464. ISBN: 978-0-7354-0674-213th (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • University of Tuscia, Viterbo-Italy IMM-CNR, Rome-Italy (literal)
Titolo
  • Comparison Between Sensing Systems for Ammonium Detection And Measurement In Soil (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#isbn
  • 978-0-7354-0674-2 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#curatoriVolume
  • Pardo M., Sberveglieri G. (literal)
Abstract
  • Usually, ammonium in soil is carried out through steam distillation of ammonia obtained after alkalinization of soil extracts and further back titration of the collected solutions. Alternatively, ion selective electrodes (ISE) specific for ammonium ions can be used, in order to measure their concentration in aqueous soil extracts. The aim of this study is to assess the possibility to use, alternatively to the previous techniques, two kinds of chemical sensors able to measure NH(3), such as an interdigital microelectrode (IDE) coated of conductive polymer and a sensors array, usually named electronic nose (EN), based on quartz crystal microbalances (QCMs) covered with functionalized polymers. These sensors were chosen on the base of their ability to detect NH(3) in sample headspace (specifically or aspecifically, respectively). Therefore, NH(4)(+) in solution was converted to NH(3) by alkalinizing soil extracts. Sensors were calibrated at first against known concentrations of NH(4)(+). Results were compared with those obtained with an ISE for NH(4)(+). (literal)
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