Articles with "isotope determination" as a keyword



Calcium isotope determination in urine samples via the monitoring of 44CaF and 40CaF molecules by high-resolution continuum source graphite furnace molecular absorption spectrometry

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Published in 2019 at "Journal of Analytical Atomic Spectrometry"

DOI: 10.1039/c9ja00233b

Abstract: Calcium isotope determination in urine samples by HR CS GFMAS via CaF molecules. pH is a factor to consider guaranteeing the efficacy of CaF formation. Due to Cl interference, Ca should be separated from solutions… read more here.

Keywords: isotope determination; calcium isotope; urine samples; determination urine ... See more keywords

Precise isotope determination of sub-microgram Mg by critical mixture double spike technique and its application to fluid inclusions in halite

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Published in 2025 at "Journal of Analytical Atomic Spectrometry"

DOI: 10.1039/d5ja00174a

Abstract: As only three isotopes exist, Mg isotopes were routinely measured by sample-standard-bracketing (SSB) method. When using SSB to correct mass bias, δ26Mg will be negatively biased with decreasing sample loading... read more here.

Keywords: precise isotope; isotope determination; sub microgram; critical mixture ... See more keywords
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Stable Isotope Determination in Edible Mushrooms from the Spontaneous Flora of Transylvania

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Published in 2019 at "Analytical Letters"

DOI: 10.1080/00032719.2017.1376218

Abstract: ABSTRACT Edible mushrooms represent a food product highly appreciated in the culinary arts. In this study, 12 species of edible mushrooms from the spontaneous flora of Transylvania, totaling 89 samples, were investigated for stable (2H/1H,… read more here.

Keywords: edible mushrooms; flora transylvania; mushrooms spontaneous; isotope determination ... See more keywords

In Situ Boron Isotope Determination in Amphibole by LA‐MC‐ICP‐MS: Matrix Effects and New Potential Reference Materials

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Published in 2025 at "Geostandards and Geoanalytical Research"

DOI: 10.1111/ggr.12601

Abstract: The B isotope systematics (δ11B) in amphibole offer insights into fluid‐ and melt‐dominated processes in the crust‐mantle system. We developed an analytical strategy for in situ B isotope determination in amphibole using LA‐ MC‐ICP‐MS on… read more here.

Keywords: reference materials; isotope determination; isotope; determination amphibole ... See more keywords