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[Research on the X-ray fluorescence spectrometry method to determine trace elements in kimberlite]
Lei Zhang1, Chuan-wei Yan, Yi Lu
1School of Chemical Science and Engineering, Liaoning University, Shenyan 110036, China.
Guang Pu Xue Yu Guang Pu Fen Xi = Guang Pu
|September 10, 2003
Summary
Detecting trace elements like Sc, Cr, Ni, Y, Nb, and La in kimberlite is crucial. Optimized X-ray fluorescence spectrometry offers a precise, rapid, and cost-effective method for this analysis.
Area of Science:
- Geochemistry
- Analytical Chemistry
Context:
- Trace element analysis is critical for understanding kimberlite composition and origin.
- Accurate detection of elements such as Scandium (Sc), Chromium (Cr), Nickel (Ni), Yttrium (Y), Niobium (Nb), and Lanthanum (La) is essential.
Purpose:
- To develop and optimize an X-ray fluorescence (XRF) spectrometry method for determining trace elements in kimberlite.
- To improve detection limits and precision for key trace elements.
Summary:
- An optimized X-ray fluorescence spectrometry method was established for trace element determination in kimberlite.
- The method achieved low detection limits (e.g., Sc: 2.83 µg/g, La: 9.18 µg/g) and high precision (RSD 2.10%-7.09%).
- Successfully applied to over 2,000 kimberlite samples from Liaoning province, demonstrating robustness and efficiency.
Impact:
- Provides a simple, rapid, and cost-effective analytical technique for kimberlite research.
- Enhances the capability for detailed geochemical studies of kimberlites.
- Offers a satisfactory alternative to Inductively Coupled Plasma (ICP) spectrometry for specific applications.