Prediction of Olivine Composition Under Limited Calibration Inputs: Comparative Study of Mid-Infrared Reflection, Raman Scattering, and Laser-Induced Plasma Spectroscopies.

IF 2.2 3区化学 Q2 INSTRUMENTS & INSTRUMENTATION

Applied Spectroscopy Pub Date : 2024-12-26 DOI:10.1177/00037028241305162

Sergey G Pavlov, Iris Weber, Ute Böttger, Ulrich Schade, Jörg Fritz

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Abstract

In situ optical analytical spectroscopies offer great geochemical insights due to their capability to resolve the chemical composition of regolith surfaces of rocky celestial bodies. The use of suitable calibration targets improves the precision of mineral determination, which is of critical importance for short-living, low-mobility landers, and enables, in special cases, determination of elemental composition. We investigate the capabilities of three space-relevant optical analytical techniques used for in situ mineralogical analysis, i.e., mid-infrared reflection, Raman light scattering, and laser-induced plasma spectroscopies, to predict the chemical composition of olivine under a limited calibration input, namely using two bulk samples of natural olivine, chemically close to the end-members of the mineral group. We determine the accuracy of the forsterite numbers obtained with each technique and discuss the choice of calibration methods applicable to limited in situ calibration input, which are summarized in recommendations for space instrumentation.

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有限校准输入下橄榄石成分的预测：中红外反射、拉曼散射和激光诱导等离子体光谱的比较研究。

原位光学分析光谱由于能够解析岩石天体的风化层表面的化学成分，提供了很好的地球化学见解。使用合适的校准目标可以提高矿物测定的精度，这对于短寿命、低迁移率的着陆器至关重要，并且在特殊情况下可以测定元素组成。我们研究了用于原位矿物学分析的三种与空间相关的光学分析技术的能力，即中红外反射、拉曼光散射和激光诱导等离子体光谱，在有限的校准输入下预测橄榄石的化学成分，即使用两个天然橄榄石的散装样品，化学上接近矿物群的末端成员。我们确定了用每种技术获得的福斯特石数的精度，并讨论了适用于有限的原位校准输入的校准方法的选择，这些方法总结在空间仪器的建议中。

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来源期刊

Applied Spectroscopy 工程技术-光谱学

CiteScore

6.60

自引率

5.70%

发文量

139

审稿时长

3.5 months

期刊介绍： Applied Spectroscopy is one of the world''s leading spectroscopy journals, publishing high-quality peer-reviewed articles, both fundamental and applied, covering all aspects of spectroscopy. Established in 1951, the journal is owned by the Society for Applied Spectroscopy and is published monthly. The journal is dedicated to fulfilling the mission of the Society to “…advance and disseminate knowledge and information concerning the art and science of spectroscopy and other allied sciences.”