A kind of determination method of impurity element in zirconium diboride
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A technology of zirconium diboride and impurity elements, applied in the field of chemical detection, to achieve the effect of accurate detection data
Active Publication Date: 2019-09-17
CHINA NUCLEAR BAOTOU GUANGHUA CHEM IND
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In the literature, the determination methods of components and impurity elements in zirconium diboride are all determined by chemical methods, and the method of measuring by instruments has not been reported.
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[0033] The technical solutions of the present invention will be described in detail below in conjunction with specific embodiments.
[0034] A method for measuring impurity elements in zirconium diboride of the present invention comprises the following steps:
[0035] (1) Weigh zirconium diboride sample
[0036] Weigh a zirconium diboride sample with a mass of 0.125g, accurate to 0.0001g;
[0037] (2) Determination of sample concentration
[0038] Determine that the sample concentration of boron in the sample solution that needs to be controlled during the determination of the sample is 1000 μg / mL;
[0039] (3) Dissolve the zirconium diboride sample in acid
[0040] According to the chemical composition of zirconium diboride samples, zirconium diboride theoretically consists of 20% boron and 80% zirconium. As a coating material, a small amount of carbon is added to improve the oxidation resistance of zirconium diboride. Therefore, carbon cannot be dissolved and suspended ...
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Abstract
The invention belongs to the technical field of chemical detection methods, and particularly relates to a specific method for measuring an impurity element in zirconium diboride by virtue of inductively coupled plasma emission spectrometry. The method comprises the following steps: (1) weighing a zirconium diboride test sample; (2) determining the concentration of the test sample; (3) dissolving the zirconium diboride test sample in acid; (4) decomposing the zirconium diboride test sample; (5) performing transferring and volume fixation; (6) treating a solution of the test sample; (7) performing extraction treatment; (8) performing measurement. According to the method, the content of the impurity element in the zirconium diboride can be accurately measured, measurement work of the content of the impurity element in the zirconium diboride during production detection is finished, and accurate detection data is reported for cooperation with scientific research and production.
Description
technical field [0001] The invention belongs to the technical field of chemical detection methods, and in particular relates to a specific method for measuring impurity elements in zirconium diboride by inductively coupled plasma emission spectrometry. Background technique [0002] At present, there are few research reports on the chemical composition analysis of zirconium diboride. The determination methods of components and impurity elements in zirconium diboride in the literature are all determined by chemical methods, and the method of measuring by instruments has not been reported. [0003] The main components of zirconium diboride are 20% boron and 80% zirconium, and other chemical components are Al, Mg, Fe, Cu, Ni, Cr, Mo, Co, Mn, Ti, Th, Ca, Pb, Bi , Cd, Si, Zn, V, Hf, In, Sn, W, Sm, Eu, Gd, Dy 26 kinds, it is necessary to develop an inductively coupled plasma emission spectroscopic analysis technology for zirconium diboride in zirconium And the determination metho...
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