Editing Isotope analysis (section)

=== Traceability ===
{{See also|Traceability}}

Stable isotopic analysis has also been used for tracing the geographical origin of food,<ref>{{cite journal |doi=10.1016/j.tifs.2005.08.008 |title=Tracing the geographical origin of food: The application of multi-element and multi-isotope analysis |journal=Trends in Food Science & Technology |volume=16 |issue=12 |pages=555–67 |year=2005 |last1=Kelly |first1=Simon |last2=Heaton |first2=Karl |last3=Hoogewerff |first3=Jurian }}</ref> timber,<ref>{{cite journal |doi=10.1371/journal.pone.0192970 |pmid=29451907 |pmc=5815615 |title=Timber isoscapes. A case study in a mountain area in the Italian Alps |journal=PLOS ONE |volume=13 |issue=2 |pages=e0192970 |year=2018 |last1=Gori |first1=Yuri |last2=Stradiotti |first2=Ana |last3=Camin |first3=Federica |bibcode=2018PLoSO..1392970G |doi-access=free }}</ref> and in tracing the sources and fates of [[Nitrate|nitrates]] in the environment.<ref>{{Citation|last1=Kendall|first1=Carol|author-link=Carol Kendall (scientist)|title=Tracing Anthropogenic Inputs of Nitrogen to Ecosystems|date=2007|url=https://onlinelibrary.wiley.com/doi/abs/10.1002/9780470691854.ch12|work=Stable Isotopes in Ecology and Environmental Science|pages=375–449|publisher=John Wiley & Sons, Ltd|language=en|doi=10.1002/9780470691854.ch12|isbn=978-0-470-69185-4|access-date=2021-08-11|last2=Elliott|first2=Emily M.|last3=Wankel|first3=Scott D.}}</ref><ref>{{Citation|last=Charteris|first=Alice Fiona|title=Introduction|date=2019|url=https://doi.org/10.1007/978-3-030-31057-8_1|work=15N Tracing of Microbial Assimilation, Partitioning and Transport of Fertilisers in Grassland Soils|pages=1–33|editor-last=Charteris|editor-first=Alice Fiona|series=Springer Theses|place=Cham|publisher=Springer International Publishing|language=en|doi=10.1007/978-3-030-31057-8_1|isbn=978-3-030-31057-8|access-date=2021-08-11}}</ref>