VALIDATION OF AN ANALYTICAL METHOD FOR GEOCHEMICAL ORGANIC MARKERS DETERMINATION IN MARINE SEDIMENTS | Zendy

Edna Wisnieski | Zendy; Liziane Marcella Michelotti Ceschim | Zendy; César C. Martins | Zendy

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VALIDATION OF AN ANALYTICAL METHOD FOR GEOCHEMICAL ORGANIC MARKERS DETERMINATION IN MARINE SEDIMENTS

Author(s) -

Edna Wisnieski,

Liziane Marcella Michelotti Ceschim,

César C. Martins

Publication year - 2016

Publication title -

química nova

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.214

H-Index - 73

eISSN - 1678-7064

pISSN - 0100-4042

DOI - 10.5935/0100-4042.20160103

Subject(s) - geology , environmental chemistry , geochemistry , chemistry

This paper describes the validation of an alternative method for determination of n-alkanes, sterols (OLs) and n-alkanols (ALCs) in marine sediments, through adaptation of clean up. The method reduced the material consumption, the discards produced and working time. The recovery percentages were 60-129% for n-alkanes, 52-67% for OLs and 43-141% for ALCs, acceptable values compared to other studies. The application in Antarctic marine sediments presented satisfactory results indicating contribution of planktonic organisms, higher animals and a little contribution from vegetation

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