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Analysis method for measuring cerium element in low-alloy steel based on direct-reading spectrometry

A technology of direct-reading spectroscopy and low-alloy steel, applied in the field of direct-reading spectroscopy to determine the cerium element in low-alloy steel, to achieve accurate and reliable analysis results, simple operation, and long cycle time

Inactive Publication Date: 2019-11-15
TIANJIN STEEL PIPE MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Since the analysis of low-alloy steel spark source atomic emission spectrometry needs to report the cerium element, but there is no such method for the cerium element in the existing national standard, so the research is based on the direct reading spectrometer

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  • Analysis method for measuring cerium element in low-alloy steel based on direct-reading spectrometry
  • Analysis method for measuring cerium element in low-alloy steel based on direct-reading spectrometry
  • Analysis method for measuring cerium element in low-alloy steel based on direct-reading spectrometry

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Embodiment Construction

[0024] The determination method of the Ce element in the low-alloy steel of the present invention will be described below in conjunction with examples.

[0025] The method for determining cerium element in low-alloy steel by direct-reading spectroscopy of the present invention is based on the following design concept: currently, the analysis method of Ce element mostly adopts wet analysis method, and there is no rapid analysis method. The principle is: use the prepared bulk sample as an electrode, use a light source generator to excite and emit light between the sample and the counter electrode, and introduce the light beam into the spectroscopic chamber. After the spectrum is decomposed by the dispersion element, the selected internal standard line Measure the intensity of the analysis line and the intensity of the analysis line, and calculate the content of the analyte in the analysis sample according to the calibration curve prepared by the standard sample.

[0026] The dir...

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Abstract

The invention discloses an analysis method for measuring a cerium element in low-alloy steel based on direct-reading spectrometry. The method comprises the following steps: selecting an instrument andsetting working conditions; preparing a sample; selecting a standard sample; and performing analysis and obtaining a result. The method has the beneficial effects that the analysis result is accurateand reliable, and the requirements for fast and accurate detection of detection test data by enterprises are met. The method is simple to operate and good in reproducibility, and can accurately and quickly measure the content of the Ce element.

Description

technical field [0001] The invention belongs to the technical research field of metal material analysis, and in particular relates to an analysis method for measuring cerium element in low alloy steel by direct reading spectrum. Background technique [0002] Direct reading spectrometer is one of the commonly used instruments for analyzing metal materials. It has the characteristics of fast, accurate, high precision and simple operation, which is unmatched by chemical analysis methods. It is a method of quantitative analysis, which has the advantages of good selectivity, wide linear range of the calibration curve, and high accuracy. Since the analysis of low-alloy steel spark source atomic emission spectrometry needs to report the cerium element, but there is no such method for cerium element in the existing national standard, so the research is based on the direct reading spectrometer. Contents of the invention [0003] In order to solve the problems in the above-mentione...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/67
CPCG01N21/67
Inventor 韩春梅周冠男车凤华王立群王国备庞运梁于秀立
Owner TIANJIN STEEL PIPE MFG CO LTD