ICP-AES Analysis of Secondary Tungsten-Containing Raw Materials for Production of Hard Alloys

被引：1
|
作者：
Vyacheslavov, A. V. [1 ]
Bichaev, V. B. [1 ]
Titova, A. D. [1 ]
Rybin, D. S. [2 ]
Ermolaeva, T. N. [3 ]
机构：
[1] Cent Res Inst Struct Mat Prometey, Natl Res Ctr Kurchatov Inst, St Petersburg 191015, Russia
[2] Virial Ltd, St Petersburg 194156, Russia
[3] Lipetsk State Tech Univ, Lipetsk 398600, Russia
来源：
INORGANIC MATERIALS | 2018年 / 54卷 / 14期
关键词：
secondary tungsten-containing raw; recycle cemented tungsten carbides; cemented tungsten carbide; microwave sample preparation; ICP-AES (inductively coupled plasma atomic emission spectrometry); TANTALUM; TITANIUM; CHROMIUM; COBALT;
D O I：
10.1134/S0020168518140169
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A method for ICP-AES determination of Ti, V, Cr, Fe, Co, Ni, Cu, Zn, and Ta in recycled cemented tungsten carbide is developed including preliminary microwave sample decomposition in a steam pressure vessel (autoclave). We have specified the composition of the reaction mixture for sample dissolution and optimized the parameters of microwave heating in the autoclave. Correctness of the results is proved by the method of sample weight variation and spike tests. The results of analysis are compared with the data obtained by standardless method of X-ray fluorescence spectrometry. The technique is characterized by good reproducibility and allows significant reduction of the analysis time owing to the combination of the multielement method of ICP-AES and microwave sample preparation.
引用
收藏
页码：1430 / 1434
页数：5
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