CN103472007A - Method for detecting elements in alloy - Google Patents
Method for detecting elements in alloy Download PDFInfo
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- CN103472007A CN103472007A CN2013103998443A CN201310399844A CN103472007A CN 103472007 A CN103472007 A CN 103472007A CN 2013103998443 A CN2013103998443 A CN 2013103998443A CN 201310399844 A CN201310399844 A CN 201310399844A CN 103472007 A CN103472007 A CN 103472007A
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Abstract
The invention discloses a method for detecting elements in an alloy. The detecting method comprises the following steps of detecting the content of impurity elements by determining the light intensity ratio through a spectrograph; selecting a standard sample the content of which is closest to the to-be-controlled content numerical value of to-be-determined elements in the alloy; selecting, determining and analyzing a base body, inputting the content of the standard sample into the spectrograph, and setting stimulating parameters; acquiring calculating data, and stimulating the standard sample so as to obtain the light intensity ratio of the standard sample; stimulating a sample sent for detection so as to obtain the light intensity ratio of the sample sent for detection; and comparing the light intensity ratios of the standard sample and the sample sent for detection so as to obtain the detection result. The method provided by the invention is used for detecting the content of the elements in the alloy rapidly and qualitatively, and is especially suitable for on-line detection in a production field.
Description
Technical field
The invention belongs to the physico-chemical examination technique field, particularly the Quick qualitative detection method of constituent content in alloy.
Background technology
In the physics and chemistry detection field, the requirement whether some impurity element in the analysis alloy meets the specification is comparatively common analysis project, direct-reading spectrometer (also referred to as Atomic Emission Spectrometer AES) is the key instrument of this analysis, while utilizing direct-reading spectrometer detection elements content, generally all need corresponding working curve support, in analysis, judge the size of a certain element in a sample, must find the spectral line of this element, and with standard model in the size of this element spectral line blackness judge the size of certain constituent content, this analytic process time is longer, smelting, in the production scenes, field such as casting, sometimes only need fast qualitative ground detection elements whether to exceed standard, and while not needing concrete constituent content, the more difficult realization of existing analytical approach.
Summary of the invention
For solving problems of the prior art, the invention provides the detection method of element in a kind of alloy, can realize that the fast qualitative ground of constituent content in alloy detects, be particularly suitable for the online detection of production scene.
Technical scheme of the present invention is as described below:
The detection method of element in a kind of alloy, adopt the recently content size of checked for impurities element of spectrophotometer light intensity, and described beam intensity ratio=(element light intensity/matrix light intensity) * 50000～100000, mainly comprise the steps:
A, according to element to be measured in alloy, need control containing numerical quantity, select content and the immediate standard specimen of this numerical value;
The analysis matrix is determined in B, selection;
C, by the content input spectrum instrument of standard specimen, and shooting parameter is set, gather computational data, excite standard specimen, obtain the standard specimen beam intensity ratio;
D, excite submitted sample, obtain the beam intensity ratio of submitted sample;
The beam intensity ratio of E, comparison standard specimen and submitted sample draws testing result.
In the present invention, described beam intensity ratio=(element light intensity/matrix light intensity) * 50000～100000, be to determine enlargement factor according to different spectrometers and emission light intensity.
In the present invention, in described A step, according to element to be measured in alloy, need control containing numerical quantity, the standard specimen of preferably selecting content to equate with this numerical value.
Principle of the present invention is: utilize the fixing characteristic of the wavelength of element in spectrometer, relatively the beam intensity ratio size of submitted sample and standard specimen is judged the size of element to be measured, thereby realizes that fast qualitative ground determines that whether submitted sample is up to standard or exceed standard.
Advantage of the present invention and beneficial effect are:
Method of the present invention realizes that the fast qualitative ground of constituent content in alloy detects, and is particularly suitable for the online detection of production scene, convenient, fast, and without the support of working curve.
Embodiment
Below in conjunction with embodiment, the present invention is described in detail.
Embodiment mono-
1, the detection method of Sn element in a kind of aluminium alloy, the Sn element requires to be less than 0.1%, adopts direct-reading spectrometer to measure the recently content size of checked for impurities element of light intensity, and described beam intensity ratio=(element light intensity/matrix light intensity) * 100000, mainly comprise the steps:
A, according to element to be measured in aluminium alloy, need control containing numerical quantity, selecting the Sn constituent content is 0.095% standard specimen;
The analysis matrix is determined in B, selection;
C, by the content input spectrum instrument of standard specimen, and shooting parameter is set, gather computational data, excite standard specimen, obtain the standard specimen beam intensity ratio;
D, excite submitted sample, obtain the beam intensity ratio of submitted sample;
The beam intensity ratio of E, comparison standard specimen and submitted sample draws testing result.
If the beam intensity ratio of submitted sample is less than the beam intensity ratio of standard specimen, Sn<0.095%, also just be equal to and think and be less than 0.1%, submitted sample is up to standard, if the beam intensity ratio of submitted sample is greater than the beam intensity ratio of standard specimen, Sn>0.095% is described, be equal to and think and be greater than 0.1%, submitted sample exceeds standard.
Further, in the present embodiment, for promoting the accuracy detected, the Sn content of standard specimen is preferably 0.1%.
Embodiment bis-
1, the detection method of Cr element in a kind of Fe alloy, the Cr element requires to be less than 0.2%, adopts the recently content size of checked for impurities element of X-fluorescence spectrophotometer light intensity, and described beam intensity ratio=(element light intensity/matrix light intensity) * 80000, mainly comprise the steps:
A, according to element to be measured in the Fe alloy, need control containing numerical quantity, selecting the Cr constituent content is 0.2% standard specimen;
The analysis matrix is determined in B, selection;
C, by the content input spectrum instrument of standard specimen, and shooting parameter is set, gather computational data, excite standard specimen, obtain the standard specimen beam intensity ratio;
D, excite submitted sample, obtain the beam intensity ratio of submitted sample;
The beam intensity ratio of E, comparison standard specimen and submitted sample draws testing result.
If the beam intensity ratio of submitted sample is less than the beam intensity ratio of standard specimen, Cr<0.2%, submitted sample is up to standard, if the beam intensity ratio of submitted sample is greater than the beam intensity ratio of standard specimen, Cr>0.2%, submitted sample exceeds standard.
Embodiment tri-
1, a kind of detection method of Ti Al element, the Al element requires to be greater than 0.4%, the using plasma emission spectrometer is measured the recently content size of checked for impurities element of light intensity, and described beam intensity ratio=(element light intensity/matrix light intensity) * 50000, mainly comprise the steps:
A, according to element to be measured in the Ti alloy, need control containing numerical quantity, select the standard specimen that the Al constituent content is 0.4%;
The analysis matrix is determined in B, selection;
C, by the content input spectrum instrument of standard specimen, and shooting parameter is set, gather computational data, excite standard specimen, obtain the standard specimen beam intensity ratio;
D, excite submitted sample, obtain the beam intensity ratio of submitted sample;
The beam intensity ratio of E, comparison standard specimen and submitted sample draws testing result.
If the beam intensity ratio of submitted sample is less than the beam intensity ratio of standard specimen, Al<0.4%, submitted sample is below standard, if the beam intensity ratio of submitted sample is greater than the beam intensity ratio of standard specimen, Al>0.4%, submitted sample is up to standard.
Claims (3)
1. the detection method of element in an alloy, is characterized in that adopting the recently content size of checked for impurities element of spectrophotometer light intensity, and described beam intensity ratio=(element light intensity/matrix light intensity) * 50000～100000, mainly comprise the steps:
A, according to element to be measured in alloy, need control containing numerical quantity, select content and the immediate standard specimen of this numerical value;
The analysis matrix is determined in B, selection;
C, by the content input spectrum instrument of standard specimen, and shooting parameter is set, gather computational data, excite standard specimen, obtain the beam intensity ratio of standard specimen;
D, excite submitted sample, obtain the beam intensity ratio of submitted sample;
The beam intensity ratio of E, comparison standard specimen and submitted sample draws testing result.
2. the detection method of element in a kind of alloy according to claim 1, is characterized in that described beam intensity ratio=(element light intensity/matrix light intensity) * 100000, and described spectrometer is direct-reading spectrometer.
3. the detection method of element in a kind of alloy according to claim 1 and 2, is characterized in that the numerical quantity that contains that need control according to element to be measured in alloy in described A step, the standard specimen of selecting content to equate with this numerical value.
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| CN2013103998443A CN103472007A (en) | 2013-09-05 | 2013-09-05 | Method for detecting elements in alloy |
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| CN2013103998443A CN103472007A (en) | 2013-09-05 | 2013-09-05 | Method for detecting elements in alloy |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941714A (en) * | 2017-11-22 | 2018-04-20 | 攀钢集团攀枝花钢铁研究院有限公司 | Use the method for direct-reading spectrometer measure titanium alloy component |
| WO2019006824A1 (en) * | 2017-07-05 | 2019-01-10 | 深圳市华唯计量技术开发有限公司 | Method and system for rapidly determining material adulteration based on x-ray fluorescence |
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| EP0372242B1 (en) * | 1988-12-02 | 1995-01-11 | Aluminum Company Of America | Apparatus for analyzing the composition of metal particles |
| CN101644676A (en) * | 2009-09-14 | 2010-02-10 | 哈尔滨飞机工业集团有限责任公司 | Aluminium bronze alloy composition rapid-measuring method |
| CN101852735A (en) * | 2010-04-30 | 2010-10-06 | 新星化工冶金材料(深圳)有限公司 | Method for measuring titanium content of aluminum-titanium-boron alloy by using photoelectric direct reading emission spectrometer |
| CN101949854A (en) * | 2010-09-14 | 2011-01-19 | 云南健牛生物科技有限公司 | Method for rapidly detecting content of aflatoxin |
| CA2746605C (en) * | 2011-07-14 | 2012-10-09 | Kendall Technology Inc. | Method and apparatus for gold detection |
| CN102890080A (en) * | 2012-09-05 | 2013-01-23 | 江苏永钢集团有限公司 | Method of direct-reading spectrometer for rapidly analyzing nitrogen element in steel |
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2013
- 2013-09-05 CN CN2013103998443A patent/CN103472007A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0372242B1 (en) * | 1988-12-02 | 1995-01-11 | Aluminum Company Of America | Apparatus for analyzing the composition of metal particles |
| CN101644676A (en) * | 2009-09-14 | 2010-02-10 | 哈尔滨飞机工业集团有限责任公司 | Aluminium bronze alloy composition rapid-measuring method |
| CN101852735A (en) * | 2010-04-30 | 2010-10-06 | 新星化工冶金材料(深圳)有限公司 | Method for measuring titanium content of aluminum-titanium-boron alloy by using photoelectric direct reading emission spectrometer |
| CN101949854A (en) * | 2010-09-14 | 2011-01-19 | 云南健牛生物科技有限公司 | Method for rapidly detecting content of aflatoxin |
| CA2746605C (en) * | 2011-07-14 | 2012-10-09 | Kendall Technology Inc. | Method and apparatus for gold detection |
| CN102890080A (en) * | 2012-09-05 | 2013-01-23 | 江苏永钢集团有限公司 | Method of direct-reading spectrometer for rapidly analyzing nitrogen element in steel |
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| 粟智等: "高合金钢中多元素的光电光谱测定", 《矿冶工程》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019006824A1 (en) * | 2017-07-05 | 2019-01-10 | 深圳市华唯计量技术开发有限公司 | Method and system for rapidly determining material adulteration based on x-ray fluorescence |
| CN107941714A (en) * | 2017-11-22 | 2018-04-20 | 攀钢集团攀枝花钢铁研究院有限公司 | Use the method for direct-reading spectrometer measure titanium alloy component |
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Application publication date: 20131225 |