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Silicon isotope abundance ratios and atomic weights of NBS-28 and other reference materials

【摘要】:正The silicon isotope abundance ratios and atomic weights of NBS-28 and several other silicon isotope reference materials were determined in this study. For the calibration of the measurement procedure, two new synthetic isotope mixtures were prepared gravimetrically from highly enriched silicon isotope materials in the form of SiO2. All materials were

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