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Titolo:
MEASUREMENT OF ACTUAL AND POTENTIAL DENITRIFICATION AND SOIL RESPIRATION WITH AN AUTOMATED GAS-CHROMATOGRAPHIC SYSTEM
Autore:
ZECHMEISTERBOLTENSTERN S;
Indirizzi:
FED OFF & RES CTR AGR,INST SOIL ECOL,DENISGASSE 31-33 A-1200 VIENNA AUSTRIA
Titolo Testata:
Die Bodenkultur
fascicolo: 3, volume: 45, anno: 1994,
pagine: 219 - 226
SICI:
0006-5471(1994)45:3<219:MOAAPD>2.0.ZU;2-L
Fonte:
ISI
Lingua:
ENG
Keywords:
SOIL MICROBIOLOGY; METHODS; GAS CHROMATOGRAPHY; DENITRIFICATION; RESPIRATION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
NO
Recensione:
Indirizzi per estratti:
Citazione:
S. Zechmeisterboltenstern, "MEASUREMENT OF ACTUAL AND POTENTIAL DENITRIFICATION AND SOIL RESPIRATION WITH AN AUTOMATED GAS-CHROMATOGRAPHIC SYSTEM", Die Bodenkultur, 45(3), 1994, pp. 219-226

Abstract

The described instrument was developed out of the demand to get a most versatile and effective gas analyser with limiting amounts of investment money and analysis time. It consists of a gas chromatograph with a Thermal Conductivity Detector and an Electron Capture Detector, three electromagnetic valves, a Porapak and a Molecular Sieve analysis column. An automatic Head Space Sampler can be attached. The described setup can be used for several methods concerning gas metabolism in soilsbut it is focused on the routine measurement of ambient nitrous oxideconcentrations as well as of high nitrous oxide concentrations as obtained in potential denitrification experiments. Carbon dioxide is measured simultaneously with nitrous oxide. Neon can be used as internal standard. Oxygen can be measured simultaneously with carbon dioxide after a slight alteration of the setup. Frontflush of acetylene and backflush of oxygen are installed to promote baseline stability and a long lifetime of the ECD.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 23/09/20 alle ore 09:38:18