海绵锆生产:利用 ICP-OES 对工艺中间产物进行化学特征描述的综合方法

IF 1.4 3区 化学 Q4 CHEMISTRY, INORGANIC & NUCLEAR
Yarasi Balaji Rao, Sirivella N. V. M. S. Gupta, Putta V. Nagendra Kumar, Dinesh Srivastava
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引用次数: 0

摘要

本文讨论了利用电感耦合等离子体光学发射光谱仪(ICP-OES)对锆洗干熔块(WDF)和反应器级 ZrO2 粉末(包括非金属元素硫)进行全面化学表征的方法。对方法开发的几个重要方面进行了研究,如基质对测定分析物的影响、使用不同溶剂去除基质、选择无干扰和敏感波长、校准策略(如内标和加标)、优化几个仪器参数(包括射频功率、等离子气体流量、雾化器气体流量、氮气吹扫等),并进行了讨论。该方法对锆元素的 RSD 值小于 1%,对其他元素的 RSD 值高达 3%。使用已知量的参考材料对实时添加的样品进行标准回收,验证了所开发的方法。开发该方法时采用的综合方法减少了分析废物的产生,还能为生产厂提供快速的分析反馈,以便进行下游处理。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Zirconium sponge production: an integrated approach for chemical characterization of process intermediates using ICP-OES
The present paper discusses about the method developed for complete chemical characterization of Zirconium Washed and Dried Frit (WDF) and Reactor Grade ZrO2 powder which includes nonmetallic element sulphur using Inductively Coupled Plasma Optical Emission Spectrometer (ICP-OES). Studies have been carried-out on several important aspects of method development such as effect of matrix on determination of analytes, removal of matrix using different solvents, selection of interference free & sensitive wavelengths, calibration strategies like internal standard & standard addition, optimization of several instrumental parameters which includes RF power, plasma gas flow, nebulizer gas flow, nitrogen purging etc., and are discussed. A % RSD of less than 1 % for Zr and up to 3 % for other elements has been achieved in this method. The developed method has been validated using standard recovery of spiked real time samples with known amount of reference materials. Integrated approach adopted in the development of this method has resulted in reduction of analytical waste generated and also enabled to give quick analytical feedback to production plant for downstream processing.
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来源期刊
Radiochimica Acta
Radiochimica Acta 化学-核科学技术
CiteScore
2.90
自引率
16.70%
发文量
78
审稿时长
6 months
期刊介绍: Radiochimica Acta publishes manuscripts encompassing chemical aspects of nuclear science and technology.
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