南极冰芯滤尘颗粒相位检测极限的评价

Q2 Chemistry

Zeitschrift Fur Kristallographie Pub Date : 2007-11-01 DOI:10.1524/ZKSU.2007.2007.SUPPL_26.73

M. Dapiaggi, M. Sala, G. Artioli, M. Fransen

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引用次数: 6

摘要

本研究尝试优化实验室x射线粉末衍射法来研究极少量的过滤沉积矿物材料。进行了大量的试验，以选择反射几何的最佳实验条件。结果表明，在每相1 ~ 2 μg的绝对质量范围内均可进行相定量。所定义的实验方案成功地应用于从南极冰芯中提取的多相粉尘样品中微量(总质量在1015 μg范围内)矿物相的定量。

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Evaluation of the phase detection limit on filter-deposited dust particles from Antarctic ice cores

The present investigation attempts optimization of laboratory X-ray powder diffractometry to investigate very small amount of filter-deposited mineral materials. Extensive tests were performed to select the optimal experimental conditions in reflection geometry. The results indicate that phase quantification can be performed down to 1-2 μg of absolute mass of each phase. The defined experimental protocols were successfully applied to the quantification of mineral phases contained in very small amounts (total mass in the range 1015 μg) of polyphasic dust samples extracted from Antarctic ice cores.

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来源期刊

Zeitschrift Fur Kristallographie 物理-晶体学

CiteScore

1.47

自引率

0.00%

发文量

审稿时长

3 months

期刊介绍： Zeitschrift für Kristallographie International journal for structural, physical, and chemical aspects of crystalline materials ISSN 0044-2968 Founded in 1877 by Paul Groth Zeitschrift für Kristallographie is one of the world’s oldest scientific journals. In original papers, letters and review articles it presents results of theoretical or experimental study on crystallography.