The Use of Q-ICPMS to Apply Enriched Zinc Stable Isotope Source Tracing for Organic Fertilizers.
isotope dilution
labelling
organic fertilizer
ryegrass
soil
source tracing
stable isotopes
zinc
Journal
Frontiers in plant science
ISSN: 1664-462X
Titre abrégé: Front Plant Sci
Pays: Switzerland
ID NLM: 101568200
Informations de publication
Date de publication:
2019
2019
Historique:
received:
10
04
2019
accepted:
07
10
2019
entrez:
19
12
2019
pubmed:
19
12
2019
medline:
19
12
2019
Statut:
epublish
Résumé
Organic fertilizer applications can contribute to Zinc (Zn) biofortification of crops. An enriched stable isotope source tracing approach is a central tool to further determine the potential of this biofortification measure. Here, we assessed the use of the widely available quadrupole single-collector ICPMS (Q-ICPMS, analytical error = 1% relative standard deviation) and the less accessible but more precise multicollector ICPMS as reference instrument (MC-ICPMS, analytical error = 0.01% relative standard deviation) to measure enriched Zn stable isotope ratios in soil-fertilizer-plant systems. The isotope label was either applied to the fertilizer (direct method) or to the soil available Zn pool that was determined by isotope ratios measurements of the shoots that grew on labeled soils without fertilizer addition (indirect method). The latter approach is used to trace Zn that was added to soils with complex insoluble organic fertilizers that are difficult to label homogeneously. To reduce isobaric interferences during Zn isotope measurements, ion exchange chromatography was used to separate the Zn from the sample matrix. The
Identifiants
pubmed: 31850000
doi: 10.3389/fpls.2019.01382
pmc: PMC6903772
doi:
Types de publication
Journal Article
Langues
eng
Pagination
1382Informations de copyright
Copyright © 2019 Dürr-Auster, Wiggenhauser, Zeder, Schulin, Weiss and Frossard.
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