Results 41 to 50 of about 658,769 (293)
Strontium isotope compositions of river waters as records of lithology-dependent mass transfers : the Garonne river and its tributaries (SW France) [PDF]
, 2000 The relation of lithology in the drainage basin to the dissolved load of the Garonne river and its main tributaries, in southwestern France, was evaluated by determining 87Sr/86Sr ratios, and concentrations of major and trace elements during a 2-year ...
Probst, Jean-Luc +5 more
core +1 more source
Experimental and theoretical investigations of stable Sr isotope fractionation during its incorporation in aragonite [PDF]
, 2023 International audienceStrontium partitioning and isotope fractionation between aragonite and fluid have been determined experimentally at low values of the fluid saturation state (Ω) with respect to this mineral (1.1 ≤ Ω aragonite ≤ 2.2), and the ...
Jean-Michel Brazier +11 more
core +2 more sources
Determination of strontium isotope ratios in plant samples by wet ashing digestion
Results in Earth SciencesStrontium isotope provenance analysis has been widely applied across multiple disciplines, including archaeology, food science, and forensics. The establishment of bioavailable ⁸⁷Sr/⁸⁶Sr maps, known as isoscapes, which rely on a substantial number of ...
Wenyan Cheng +3 more
doaj +1 more source
Rapid Purification of Sr and Nd for Isotope Analysis with Multiple-column Method
Yankuang ceshi, 2020 BACKGROUND The Sr and Nd isotopic compositions of a sample depend on its initial isotopic ratios, the ratios between the parent nuclide and daughter product, and the decay time.
ZHU Zhi-yong, PAN Chen-xu, ZHU Xiang-kun
doaj +1 more source
Journal of Asian Earth Sciences: X, 2020 As reference data for comprehensive provenance analyses of deep-sea sediments in the Northwest Pacific region, we present Sr-Nd-Pb isotopic compositions of fine sediments sampled from 48 rivers in southwest Japan.
Yu Saitoh +2 more
doaj +1 more source
Yankuang ceshi, 2023 BACKGROUNDMarine sedimentary carbonate rock is an important carrier for recording seawater information. The Sr isotope composition (87Sr/86Sr) of carbonate rocks can reflect the relative contribution of the continental crust and mantle to the Sr isotope ...
Xu PAN +6 more
doaj +1 more source
REE fractionation during granite weathering and removal by waters and suspended loads: Sr and Nd isotopic evidence [PDF]
, 2001 Very few studies deal with REE (rare earth element) mobility within the system soil–soil solution–streamwater. In this article, we try to characterize the fractionation and the migration of the REE in a granite-derived soil system located in a small ...
Dominique Aubert +5 more
core +1 more source
Angewandte Chemie, EarlyView.Two nanoclusters, Au52(PET)38 and Au70(PET)50, where PET = 2‐phenylethanethiolate, are isolated, which constitute a series of one‐end‐truncated kernel topologies. Both Au52 and Au70 exhibit NIR‐II absorption at 1032 and 1275 nm and nanosecond fluorescence at 1100 and 1360 nm, respectively, with high quantum yields (20.9% for Au52 and 14.8% for Au70 ...
Lianshun Luo +6 more
wiley +2 more sources
Scientific Reports, 2019 Illitic clay is ubiquitous in clastic hydrocarbon reservoirs, and the host for several radiometric isotopes such as the potassium-argon (K-Ar) and rubidium-strontium (Rb-Sr) systems.
Shaojie Li +7 more
doaj +1 more source
Frontiers in Environmental Science, 2020 The measuring of 87Sr/86Sr in wine, grape, and bioavailable soil fraction samples with the same uncertainty of geological materials allows fully comparing the whole wine-production chain with the peculiar geochemical isotope signature of any geographic ...
Ines Tescione +7 more
doaj +1 more source