Open AccessRecommendations for Analysis of Dissolved Osmium in Seawater
Author(s) -
PeuckerEhrenbrink Bernhard,
Sharma Mukul,
Reisberg Laurie
Publication year - 2013
Publication title -
eos, transactions american geophysical union
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.316
H-Index - 86
eISSN - 2324-9250
pISSN - 0096-3941
DOI - 10.1002/2013eo070006
Subject(s) - osmium , seawater , anoxic waters , weathering , environmental chemistry , oceanography , isotope , redox , geology , environmental science , earth science , chemistry , geochemistry , inorganic chemistry , biochemistry , physics , quantum mechanics , ruthenium , catalysis
Osmium (Os) isotopes have emerged as a powerful tool in oceanographic and paleoceanographic research, as this highly redox‐sensitive element provides insights into ocean anoxic events, continental weathering processes, extraterrestrial impacts, and anthropogenic contamination. Direct analysis of Os isotopes dissolved in seawater is challenging because of very low (femtomolar) concentrations, a complex matrix, multiple oxidation states, and its likely propensity to bind to multiple ligands. Only a handful of laboratories have attempted such analyses.