publication . Article . 2011

Isotopic change during weathering of hair

Karl Auerswald; Andreas Rossmann; Rudi Schäufele; Michael Schwertl; Frank J. Monahan; Hans Schnyder;
  • Published: 21 Nov 2011 Journal: Rapid Communications in Mass Spectrometry, volume 25, pages 3,741-3,748 (issn: 0951-4198, Copyright policy)
  • Publisher: Wiley
  • Country: Germany
Stable isotope analysis of hair has found applications in many fields of science because it provides a temporally resolved, fairly stable isotopic archive of mammalian individuals. We investigated whether this hair archive is modified by natural weathering while attached to a living animal. We analyzed the tail switch hairs of one suckler cow, sampled seven times over a period of four annual summer pasture–winter stall feeding cycles. We compared relative isotope ratios (δ2H, δ13C, δ15N, δ18O and δ34S) of sections of hair that grew simultaneously but were exposed to natural weathering conditions over different periods of time. Natural wear caused a loss of mass ...
free text keywords: Organic Chemistry, Analytical Chemistry, Spectroscopy, Chemistry, δ13C, δ15N, Weathering, δ34S, Seasonality, medicine.disease, medicine, δ18O, Isotope analysis, Stable isotope ratio, ddc:630, ddc:
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