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Role of Energy Dispersive XRF (ED-XRF) in Development of Rare Earth Element-2, International Certified Standard Reference Material: Ambiguities and Constraints
Journal of the Geological Society of India ( IF 1.3 ) Pub Date : 2020-09-01 , DOI: 10.1007/s12594-020-1544-7
P. V. Sunder Raju

The REE-2 is a carbonatite sample with rare earth elements provided from a Canadian mining company and distributed by Canadian Certified Reference Materials (CCRM), Canada. The reference material was provided to participate in the testing process (round-robin) and CSIR-NGRI, Hyderabad, state of the art analytical technique Energy Dispersive X-ray fluorescence (EDXRF) also contributed to the development of this (REE -2) reference material. In this paper, the efficacy of analytical protocol developed and comparing the results with twenty one industrial, commercial and government laboratories across globe in an inter-laboratory measurement program are presented. The CSIR-NGRI, EDXRF analytical facility contribution and steps to overcome during REE-2 development are briefly discussed. This contribution is to highlight the international analytical standards and protocols maintained at EDXRF laboratory vis-à-vis international laboratories.

中文翻译:

能量色散 XRF (ED-XRF) 在稀土元素 2 开发中的作用,国际认证标准参考材料:歧义和约束

REE-2 是含稀土元素的碳酸岩样品,由加拿大矿业公司提供,由加拿大认证标准物质 (CCRM) 分销。提供参考材料以参与测试过程(循环),CSIR-NGRI,海得拉巴,最先进的分析技术能量色散 X 射线荧光 (EDXRF) 也有助于此 (REE -2) 的开发参考资料。在本文中,介绍了在实验室间测量计划中开发的分析协议的有效性,并与全球 21 个工业、商业和政府实验室的结果进行了比较。简要讨论了 CSIR-NGRI、EDXRF 分析设施的贡献以及在 REE-2 开发过程中需要克服的步骤。
更新日期:2020-09-01
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