About this Research Topic
Mass spectrometry has become a powerful and widely used tool in analytical chemistry and isotope geochemistry. Both traditional radiogenic isotope systems (Sr, Nd, Pb, Hf, Os, Ce,etc.,) and metal stable isotopes isotopic analysis (Li, Mg, Ca, Ti, Cr, Fe, Ni, Cu, Zn, Se, Mo, Cd, Hg, etc.,) are very crucial techniques for isotope geochemistry and environmental sciences in past half century. Bulk and in-situ isotope analytical techniques can provide more elaborate messages from macro to micro scale in complex geological and environmental processes. As bulk isotope analysis, Thermal Ionization Mass Spectrometry (TIMS) and MC-ICP-MS are the two main types of mass spectrometers in order to achieve high precision isotope ratio data (usually better than 0.005%, 2RSD) for the above isotope systems. As in situ isotope analysis, SIMS and LA-MC-ICP-MS are the main instruments which can obtain high precision isotope data at high space resolution level (1~20μm). Although many robust techniques have been developed, some technique bottlenecks are still not settled yet.
In this article collection, the development of analytical methods based on TIMS, MC-ICP-MS, SIMS or LA-MC-ICP-MS are welcomed. Types of articles accepted are original research, review, mini-review and perspective. The encouraged techniques to develop in this issue are as follows:
• Novel separation techniques with faster and low cost sample purification technique for TIMS and MC-ICP-MS, especially for integrated extraction separation for multi elements systems.
• Highly sensitive emitter techniques for ultra-trace sample or high ionization potential elements (such as Ti, Ni, Fe, Zn, Cd etc) in TIMS instruments.
• Novel matrix interference correction techniques and new CRMS for minerals in SIMS and LA-MC-ICP-MS instruments.
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