A quantitative fluorescence analysis method for cobalt-based alloys

Abstract

The invention relates to an analysis method, specifically to a quantitative fluorescence analysis method for a cobalt-based alloy. According to a technical scheme in the invention, the quantitative fluorescence analysis method comprises the following steps: (1) measuring a standard cobalt-based alloy sample and drafting a comprehensive standard curve; (2) determining optimal measurement parameters of a fluorescence spectrometer and comprehensive measurement parameters of the cobalt-based alloy; (3) analyzing the comprehensive standard curve and determining the linear relation between characteristic X-ray intensity of elements and the contents of the elements; (4) setting the contents of all the elements in a virtual synthesized standard sample of the cobalt-based alloy; (5) drafting virtual work curves of every single element; and (6) measuring the contents of all the elements in a to-be-detected cobalt-based alloy by using the virtual work curves of every single element. The quantitative fluorescence analysis method for the cobalt-based alloy in the invention overcomes the problems of dependence of fluorescent spectrometry on standard substances of cobalt-based alloys of a same grade and quantification of chemical components of a cobalt-based alloy of a new grade and realizes discrimination of the grade of cobalt-based alloys of unknown grades.

Description

technical field [0001] The invention relates to an analysis method, in particular to a quantitative fluorescence analysis method of a cobalt-based alloy. Background technique [0002] Wet chemical method, inductively coupled plasma spectrometry, and fluorescence spectrometry are often used in China to analyze the chemical composition of cobalt-based alloys. [0003] The wet chemical method needs to select different methods for different elements to analyze the elements of the cobalt-based alloy one by one; if the inductively coupled plasma spectrometry is used, the sample needs to be chemically pretreated, and then the ICP spectrometer is used for measurement, so the two schemes All have the disadvantages of long analysis period, cumbersome operation, and high test cost. [0004] Fluorescence spectroscopy analysis is fast and the analysis cycle is short, but this method is strictly dependent on the corresponding brand of standard material, because the development of standar...

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Problems solved by technology

[0003] The wet chemical method needs to select different methods for different elements to analyze the elements of the cobalt-based alloy one by one; if the inductively coupled plasma spectrometry is used, the sample needs to be chemically pretreated, and then the ICP spectrometer is used for measurement, so the two schemes All have the disadvantages of long analysis period, cumbersome operation, and high test cost.

[0004] Fluorescence spectroscopy analysis is fast and the analysis cycle is short, but this method is strictly dependent on the corresponding brand of standard material, because the development of standard material is far behind the production of metal materials, so the wide application of fluorescence method is restricted by the same brand of standard material

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