1980
DOI: 10.1016/s0003-2670(01)84290-2
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Simultaneous determination of nitrate and nitrite by flow injection analysis

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Cited by 283 publications
(113 citation statements)
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“…Under the central plant of each plot, 0.2 m from the trunk were installed porous soil solution extraction probes at the depth of 1m, the lower boundary of the WB control volume ( Figure 1A), to measure nitrate concentration by flow injection analysis (Giné et al, 1980) and abundance of 15 N by mass spectrometry (ANCA SL Mass Spectrometer). Soil solution extractions were made at least once a week before of the application of N fertilizer.…”
Section: Methodsmentioning
confidence: 99%
“…Under the central plant of each plot, 0.2 m from the trunk were installed porous soil solution extraction probes at the depth of 1m, the lower boundary of the WB control volume ( Figure 1A), to measure nitrate concentration by flow injection analysis (Giné et al, 1980) and abundance of 15 N by mass spectrometry (ANCA SL Mass Spectrometer). Soil solution extractions were made at least once a week before of the application of N fertilizer.…”
Section: Methodsmentioning
confidence: 99%
“…Ammonium was determined according to the methodology of Krom (1980). Both N-NH 4 + and N-NO 3 -were determined by spectrophotometry associated to a flow-injection analysis, following the methodology used by Gine et al (1980). The concentration of NH 4 + and NO 3 -in the soil were expressed as milligrams per kilogram of dry soil.…”
Section: Commelina Benghalensis Conyza Bonariensis and Cenchrus Echimentioning
confidence: 99%
“…O conteúdo de água no solo permitiu coleta de solução nos dias 2 de julho; 30 de novembro; 10, 25 e 31 de dezembro de 2006; e 1 o e 24 de janeiro, 9 e 21 de fevereiro, 20 de março e 27 de maio de 2007. Depois de coletadas, as amostras eram congeladas e posteriormente analisadas no sistema FIA -Flow Injection Analysis, segundo os procedimentos descritos em Gine et al (1980 (Trivelin et al, 1973). As determinações de 15 N das amostras destiladas da solução no solo foram realizadas em espectrômetro de massa de setor magnético com ionização por impacto de elétrons IRMS -ATLAS MAT CH 4 (Trivelin et al, 1973).…”
Section: Lixiviação De Nitrato Da Solução No Solounclassified