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| Determination of Trace Sodium Element in N36 Zirconium Alloy by Inductively Coupled Plasma Optical Emission Spectrometry with Uniform Experimental Design |
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Received:December 08, 2018
Revised:December 13, 2018
Accepted:December 21, 2018
Published Online:May 27, 2019
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| DOI：doi:10.3969/j.issn.2095-1035.2019.02.014 |
| KeyWord:N36 zirconium alloy; trace; sodium; inductively coupled plasma optical emission spectrometry; uniform experimental design |
| Author | Institution |
| Hui Boning |
Western Energy Material Technologies Co, Ltd |
| LI Weimin |
Western Energy Material Technologies Co, Ltd, Xi’an,Shaanxi |
| ZHANG Haixia |
Research Center of Advanced Materials Science and Technology of Taiyuan University of Technology |
| HUANG Zengxin |
Western Energy Material Technologies Co, Ltd |
| WEN Huimin |
Western Energy Material Technologies Co, Ltd |
| ZHOU Jun |
Western Energy Material Technologies Co, Ltd |
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| Abstract: |
| This paper describes a method for the determination of trace sodium in N36 zirconium alloy by inductively coupled plasma optical emission spectrometry. The influences of sample dissolution ways, plasma view, spectra lines, matrix interference, etc. are discussed. The uniform experiment design is used to determine the optimum RF power, plasma gas flow, auxiliary gas flow, and nebulizer gas flow. The results indicate that the zirconium matrix has interferences on the measurement. In this study, interferences were eliminated by using the matrix matching method. The precision and accuracy are verified by using N36 zirconium alloy samples under the optimum instrument parameters obtained by uniform experimental design. The relative standard deviation (RSD, n=11) was less than 5%, and recoveries tested were in the range of 95%~105%. Based on the results obtained in the present work, it is concluded that the method is fast, simple and accurate, and can meet the analytical requirements for trace sodium in the N36 zirconium alloy for nuclear use. |
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