Anomalously low radiocarbon content of modern n-alkanes

Chad S. Lane,Elizabeth A. Yanuskiewicz,Ralph N. Mead,Sally P. Horn

Organic Geochemistry（2021）

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摘要

•n-Alkanes extracted from modern leaf tissue have pre-modern radiocarbon ages.•Bulk leaf tissues have modern radiocarbon ages as expected.•We suspect strong fractionation against 14C during lipid biosynthesis.•Artificially ‘old’ n-alkanes may affect carbon cycling budgets and age models.

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关键词

Pre-aging,14C,Leaf waxes,Residence time,Compound-specific

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