نتایج جستجو برای: icp ms dating

تعداد نتایج: 146898  

Journal: :Geochronology 2022

Abstract. We describe a new method for the measurement of U/Pb ratios by isotope dilution multi-collector inductively coupled plasma mass spectrometry (MC-ICP-MS) dating geologically young clean carbonates, particularly speleothems. The is intended materials containing little or no initial 232Th. illustrate and validate with four examples ranging from 0.57 to 20 Ma. capable applying 235U–207Pb ...

Journal: :Geologica Acta 2021

Previous investigations of granitoids in Sumatra were focused on age dating with minimum geochemistry composition analysis. The purpose this study is to define the classification intrusions central and explain rocks' correlation Southeast Asia tectonic activities. A polarizing microscope was used for petrography description while XRF ICP-MS applied measurements. According geochemistry, almost a...

Journal: :Data in Brief 2021

We present the results of U-Pb zircon dating conducted using laser ablation-inductively coupled plasma mass spectrometry (LA-ICP-MS), isotopic tracing analyses Hf in and Sr-Nd whole-rock major oxides, trace element abundances 12 plutonic volcanic rocks on Antarctic Peninsula. The dataset is presented combination with previous studies both Patagonia These were filtered for concordant 206Pb–238U ...

Journal: :Journal of Archaeological Science: Reports 2021

This paper presents the study of a sword found in Talayot del Serral de ses Abelles (Puigpunyent, Mallorca). The remarkable state conservation this and fact that it is only item its kind documented 21st century an archaeological excavation make exceptional find. main purpose research to characterise technological significance. analytical information presented (14C, XRF, ICP-MS, radiography, met...

2014

The monitoring of trace metals in human urine plays an important role in research. Traditionally, urine analysis has been accomplished by graphite furnace atomic absorption (GFAA). However, when large numbers of samples are analyzed for multiple elements, GFAA becomes very cumbersome and restrictive, since it can only determine one element at a time. Additionally, the detection capability of IC...

Journal: :Geostandards and Geoanalytical Research 2022

A new matrix-matched reference material has been developed – NFHS-2-NP (NIOZ Foraminifera House Standard-2-Nano-Pellet) with element mass fractions, and isotope ratios resembling that of natural foraminiferal calcium carbonate. 180–355 µm size fraction planktic foraminifera was milled to nano-particles pressed pellets. We report information values for fractions forty-six elements measured by si...

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