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Titel |
Technical Note: Comparison of storage strategies of sea surface microlayer samples |
VerfasserIn |
K. Schneider-Zapp, M. E. Salter, P. J. Mann, R. C. Upstill-Goddard |
Medientyp |
Artikel
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Sprache |
Englisch
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ISSN |
1726-4170
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Digitales Dokument |
URL |
Erschienen |
In: Biogeosciences ; 10, no. 7 ; Nr. 10, no. 7 (2013-07-22), S.4927-4936 |
Datensatznummer |
250018353
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Publikation (Nr.) |
copernicus.org/bg-10-4927-2013.pdf |
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Zusammenfassung |
The sea surface microlayer (SML) is an important biogeochemical system whose
physico-chemical analysis often necessitates some degree of sample storage.
However, many SML components degrade with time so the development of optimal
storage protocols is paramount. We here briefly review some commonly used
treatment and storage protocols. Using freshwater and saline SML samples from
a river estuary, we investigated temporal changes in surfactant activity (SA)
and the absorbance and fluorescence of chromophoric dissolved organic matter
(CDOM) over four weeks, following selected sample treatment and storage
protocols. Some variability in the effectiveness of individual protocols most
likely reflects sample provenance. None of the various protocols examined
performed any better than dark storage at 4 °C without
pre-treatment. We therefore recommend storing samples refrigerated in the
dark. |
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