2023
DOI: 10.46770/as.2023.079
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Precise And Accurate Mass-Independent Chromium Isotope Measurement By Total Evaporation Mode On Thermal Ionization Mass Spectrometry (TE-TIMS) At 200 Ng Level

Abstract: Mass-independent chromium (Cr) isotope ratios measurements have been widely used in dating early solar system events and tracing the genetic relationships between different solar system, as well as terrestrial materials. Current analytical techniques need relatively large sample sizes, and this limits the application of Cr isotopes on precious mission return samples and some Cr-poor samples (e.g., BCR-2 with Cr contents of ~15 ppm). This paper reports a novel analytical method for mass-independent Cr isotopic … Show more

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“…Zhu et al 171 detailed a method for determining mass-independent Cr isotope variation. They used TIMS in total evaporation analysis mode following sample purification with a three stage column chromatography and subsequent heating with H 2 O 2 to remove residual organics.…”
Section: Isotope Analysismentioning
confidence: 99%
“…Zhu et al 171 detailed a method for determining mass-independent Cr isotope variation. They used TIMS in total evaporation analysis mode following sample purification with a three stage column chromatography and subsequent heating with H 2 O 2 to remove residual organics.…”
Section: Isotope Analysismentioning
confidence: 99%