Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1228427 | Microchemical Journal | 2006 | 4 Pages |
Abstract
The determination of Nb and Ta in Nb-Ta minerals was accomplished by slurry nebulization inductively coupled plasma optical emission spectrometry (ICP-OES), using a clog-free V-groove ceramic nebulizer. Samples were first wet-ground to appropriate particle sizes with narrow size distribution and 90% of the particles in the slurry were smaller than 2.32 μm in diameter. Subsamples were then dispersed in pH 9 aqueous solutions, and agitated in an ultrasonic bath for 15 min prior to analysis. Due to the lack of slurry standards matching well with the samples, calibration was simply carried out using aqueous solution standards. Results were compared with those obtained from a conventional fusion decomposition procedure and acid digestion procedures and a good agreement between the measured and referred values was obtained. The technique provided a good alternative for the rapid determination of Nb and/or Ta in their corresponding minerals.
Related Topics
Physical Sciences and Engineering
Chemistry
Analytical Chemistry
Authors
Xuejie Song, Taicheng Duan, Pengran Guo, Hangting Chen,