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 10-15 μg) of polyphasic dust samples extracted from Antarctic ice cores.
Evaluation of the phase detection limit on filter-deposited dust particles from Antarctic ice cores / M. DAPIAGGI, M. SALA, G. ARTIOLI, M. J. FRANSEN. - In: ZEITSCHRIFT FUR KRISTALLOGRAPHIE. - ISSN 0044-2968. - suppl. 26:26(2007), pp. 73-78. [10.1524/zkri.2007.2007.suppl_26.73]
Evaluation of the phase detection limit on filter-deposited dust particles from Antarctic ice cores
M. Dapiaggi;
2007
Abstract
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 10-15 μg) of polyphasic dust samples extracted from Antarctic ice cores.
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