Imperial College London
Alternate

ProfessorDominikWeiss

Faculty of Engineering, Department of Earth Science & Engineering

Professor of Environmental Geochemistry
 
 
 
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Contact

 

+44 (0)20 7594 6383d.weiss

 
 
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Location

 

2.39Royal School of MinesSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Duerr-Auster:2019:10.3389/fpls.2019.01382,
author = {Duerr-Auster, T and Wiggenhauser, M and Zeder, C and Schulin, R and Weiss, DJ and Frossard, E},
doi = {10.3389/fpls.2019.01382},
journal = {Frontiers in Plant Science},
pages = {1--12},
title = {The use of Q-ICPMS to apply enriched Zinc stable isotope source tracing for organic fertilizers},
url = {http://dx.doi.org/10.3389/fpls.2019.01382},
volume = {10},
year = {2019}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - 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 67Zn:66Zn isotope ratios altered from 0.148 at natural abundance to 1.561 in the fertilizer of the direct method and 0.218 to 0.305 in soil available Zn of the indirect method. Analysis of the difference (Bland–Altman) between the two analytical instruments revealed that the variation between 67Zn:66Zn isotope ratios measured with Q-ICPMS and MC-ICPMS were on average 0.08% [95% confidence interval (CI) = 0.68%]. The fractions of Zn derived from the fertilizer in the plant were on average 0.16% higher (CI = 0.49%) when analyzed with Q- compared to MC-ICPMS. The sample matrix had a larger impact on isotope measurements than the choice of analytical instrument, as non-purified samples resulted on average 5.79% (CI = 9.47%) higher isotope ratios than purified samples. Furthermore, the gain in analytical precision using MC-ICPMS inst
AU  - Duerr-Auster,T
AU  - Wiggenhauser,M
AU  - Zeder,C
AU  - Schulin,R
AU  - Weiss,DJ
AU  - Frossard,E
DO  - 10.3389/fpls.2019.01382
EP  - 12
PY  - 2019///
SN  - 1664-462X
SP  - 1
TI  - The use of Q-ICPMS to apply enriched Zinc stable isotope source tracing for organic fertilizers
T2  - Frontiers in Plant Science
UR  - http://dx.doi.org/10.3389/fpls.2019.01382
UR  - http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000502972700001&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202
UR  - file://icnas3.cc.ic.ac.uk/yozkan/downloads/fpls-10-01382.pdf
UR  - http://hdl.handle.net/10044/1/75812
VL  - 10
ER  -
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