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Updated: Jun 28, 2026

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稳定同位素分析大气中的CO2使用气II-Cold Trap-IRMS设置

Simon Leitner1, Kathiravan Meeran1, Andrea Watzinger1

  • 1Institute of Soil Research, University of Natural Resources and Life Sciences, Vienna, Tulln, Austria.

Rapid communications in mass spectrometry : RCM
|November 13, 2023
PubMed
概括

一个新的自动化系统精确地测量大气中的二氧化碳 (CO2) 中的碳和氧同位素比率. 这一进步有助于识别温室气体的来源和沉降的高度准确性.

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In inductively coupled plasma–mass spectrometry (ICP–MS), an inductively coupled plasma (ICP) torch is used as an atomizer and ionizer. Solid samples are dissolved and volatilized before being introduced into the high-temperature argon plasma, while solution samples are nebulized and passed through the high-temperature argon plasma. Plasma dissociates the analytes and ionizes their component atoms to form a mixture of positive ions and molecular species. The positive ions are then passed on to...