CN105004832A - Four-spectrometer combined analytical instrument suitable for complex chemical samples - Google Patents
Four-spectrometer combined analytical instrument suitable for complex chemical samples Download PDFInfo
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- CN105004832A CN105004832A CN201510489437.0A CN201510489437A CN105004832A CN 105004832 A CN105004832 A CN 105004832A CN 201510489437 A CN201510489437 A CN 201510489437A CN 105004832 A CN105004832 A CN 105004832A
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Abstract
The invention relates to a four-spectrometer combined analytical instrument suitable for complex chemical samples. The four-spectrometer combined analytical instrument comprises a gas chromatograph, a mass spectrometer, a nuclear magnetic resonance spectrometer and an infrared spectrometer. A detector of the gas chromatograph comprises a thermal conductivity detector, and the gas chromatograph is provided with a shunt connector. The mass spectrometer is connected with the shunt connector of the gas chromatograph through a first connecting pipe, and the first connecting pipe is communicated with a helium source. The mass spectrometer is provided with a first vent connector. The nuclear magnetic resonance spectrometer is connected with the first vent connector of the mass spectrometer through a second connecting pipe, and a first vacuum pump is arranged on the second connecting pipe. The nuclear magnetic resonance spectrometer is provided with a second vent connector. The infrared spectrometer is connected with the second vent connector of the nuclear magnetic resonance spectrometer through a third connecting pipe, and a second vacuum pump is arranged on the third connecting pipe. In the modes of helium conveying and vacuum conveying, the samples are automatically and sequentially made to pass through the gas chromatograph, the mass spectrometer, the nuclear magnetic resonance spectrometer and the infrared spectrometer, and unpredictable components in the samples can be found.
Description
Technical field
The present invention relates to the data analysis set-up of chemical field sample, particularly relating to a kind of analytical instrument for detecting Analysis of Complex composition.
Background technology
Mass spectroscopy can carry out effective qualitative analysis, but just seems helpless to the analysis of complex organic compound; And chromatography is a kind of effective method for separating and analyzing to organic compound, be particularly suitable for the quantitative test carrying out organic compound, but qualitative analysis is then more difficult.Therefore, the effective combination of both will provide one to carry out the efficient qualitative and quantitative analysis instrument of complex organic compound for chemist and biochemist.As this, the technology that two kinds of methods combining get up is referred to as coupling technique, the instrument of gas chromatograph and mass spectrometer being joined together to use is called gas chromatograph-mass spectrometer.But efficient, quantitative test recited above, be also only based on and carry out on the basis probably recognizing the material that may exist in sample.And in some environmental sampling, cost in sample is very complicated, have except material except may existing of can predicting, also there is a lot of unknown composition, present analysis personnel only by gas chromatograph-mass spectrometer display data, for be difficult to predict composition be lack catch property and analytical.
Because above-mentioned defect, the design people, actively in addition research and innovation, a kind ofly can comprise the analytical instrument of unpredictability composition at interior various compositional datas by Analysis of Complex sample to founding, and makes it have more value in industry.
Summary of the invention
For solving the problems of the technologies described above, the object of this invention is to provide a kind of four combined analytical instruments being applicable to complicated chemical industry sample, to obtain diversification, many-sided data are assisted a ruler in governing a country mutually, thus can analyze the composition of unpredictability.
A kind of four combined analytical instruments being applicable to complicated chemical industry sample of the present invention, comprise gas chromatograph, mass spectrometer, nuclear magnetic resonance spectrometer and infrared spectrometer, the detecting device of described gas chromatograph comprises thermal conductivity detector (TCD), described gas chromatograph has a point stream interface, described mass spectrometer is connected with a point stream interface for described gas chromatograph by the first connecting pipe, after described mass spectrometer is positioned at described gas chromatograph, described first connecting pipe is communicated with helium source of the gas, described mass spectrometer has the first vent, described nuclear magnetic resonance spectrometer is connected with described mass spectrometric first vent by the second connecting pipe, after described nuclear magnetic resonance spectrometer is positioned at described mass spectrometer, described second connecting pipe is provided with the first vacuum pump, described nuclear magnetic resonance spectrometer has the second vent, described infrared spectrometer is connected with the second vent of described nuclear magnetic resonance spectrometer by the 3rd connecting pipe, after described infrared spectrometer is positioned at described nuclear magnetic resonance spectrometer, described 3rd connecting pipe is provided with the second vacuum pump.
Further, the detecting device of described gas chromatograph also comprises the one in flame ionization ditector, electron capture detector, flame photometric detector (FPD) and mass detector.
Further, described mass spectrometer is organic mass spectrometer.
Further, described organic mass spectrometer is the one in quadrupole mass spectrometer, ion trap mass spectrometer, time of-flight mass spectrometer and magnetic mass spectrometer.
Further, described infrared spectrometer is Fourier transform infrared spectrometer, and described Fourier transform infrared spectrometer comprises Michelson interferometer.
Further, the High-Field spectrometer of described nuclear magnetic resonance spectrometer to be magnetic field intensity be 200-950MHz.
By such scheme, the present invention at least has the following advantages: the present invention is the analytical instrument of a kind of associating four kinds of analytic approachs, by interface, gas chromatograph, mass spectrometer, nuclear magnetic resonance spectrometer and infrared spectrometer are connected, and by helium conveying and the mode of vacuum handling, sample robotization is flowed serially through gas chromatograph, mass spectrometer, nuclear magnetic resonance spectrometer and infrared spectrometer, thus carry out omnibearing analysis, be conducive to finding the unpredictable composition in sample and element.
Above-mentioned explanation is only this
inventionthe general introduction of technical scheme, in order to better understand technological means of the present invention, and can be implemented according to the content of instructions, coordinates below with preferred embodiment of the present invention
accompanying drawingbe described in detail as follows.
Accompanying drawing explanation
fig. 1it is principle of the present invention signal
figure.
Embodiment
Below in conjunction with
accompanying drawingand embodiment, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
See
fig. 1, a kind of four combined analytical instruments being applicable to complicated chemical industry sample described in a preferred embodiment of the present invention, comprise gas chromatograph 1, mass spectrometer 2, nuclear magnetic resonance spectrometer 3 and infrared spectrometer 4, the detecting device of described gas chromatograph comprises thermal conductivity detector (TCD), described gas chromatograph has point stream interface 11, described mass spectrometer is connected with a point stream interface for described gas chromatograph by the first connecting pipe 51, after described mass spectrometer is positioned at described gas chromatograph, described first connecting pipe is communicated with helium source of the gas 6, described mass spectrometer has the first vent 21, described nuclear magnetic resonance spectrometer is connected with described mass spectrometric first vent by the second connecting pipe 52, after described nuclear magnetic resonance spectrometer is positioned at described mass spectrometer, described second connecting pipe is provided with the first vacuum pump 71, described nuclear magnetic resonance spectrometer has the second vent 31, described infrared spectrometer is connected with the second vent of described nuclear magnetic resonance spectrometer by the 3rd connecting pipe 53, after described infrared spectrometer is positioned at described nuclear magnetic resonance spectrometer, described 3rd connecting pipe is provided with the second vacuum pump 72.
It is preferred that in order to improve detecting device precision, the detecting device of described gas chromatograph also comprises the one in flame ionization ditector, electron capture detector, flame photometric detector (FPD) and mass detector.
Described mass spectrometer is organic mass spectrometer, and is the one in quadrupole mass spectrometer, ion trap mass spectrometer, time of-flight mass spectrometer and magnetic mass spectrometer.
Described infrared spectrometer is Fourier transform infrared spectrometer, and described Fourier transform infrared spectrometer comprises Michelson interferometer.
The High-Field spectrometer of described nuclear magnetic resonance spectrometer to be magnetic field intensity be 200-950MHz.
Principle of work of the present invention is as follows: analyzed sample is by helium conveying and the mode of vacuum handling, and robotization flows serially through gas chromatograph, mass spectrometer, nuclear magnetic resonance spectrometer and infrared spectrometer and carries out analysis mensuration.
The above is only the preferred embodiment of the present invention; be not limited to the present invention; should be understood that; for those skilled in the art; under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (6)
1. one kind is applicable to four combined analytical instruments of complicated chemical industry sample, it is characterized in that: comprise gas chromatograph (1), mass spectrometer (2), nuclear magnetic resonance spectrometer (3) and infrared spectrometer (4), the detecting device of described gas chromatograph comprises thermal conductivity detector (TCD), described gas chromatograph (1) has a point stream interface (11), described mass spectrometer (2) is connected with a point stream interface (11) for described gas chromatograph by the first connecting pipe (51), after described mass spectrometer (2) is positioned at described gas chromatograph (1), described first connecting pipe (51) is communicated with helium source of the gas (6), described mass spectrometer (2) has the first vent (21), described nuclear magnetic resonance spectrometer (3) is connected with described mass spectrometric first vent (21) by the second connecting pipe (52), after described nuclear magnetic resonance spectrometer (3) is positioned at described mass spectrometer (2), described second connecting pipe (52) is provided with the first vacuum pump (71), described nuclear magnetic resonance spectrometer (3) has the second vent (31), described infrared spectrometer (4) is connected with second vent (31) of described nuclear magnetic resonance spectrometer by the 3rd connecting pipe (53), after described infrared spectrometer (4) is positioned at described nuclear magnetic resonance spectrometer (3), described 3rd connecting pipe (53) is provided with the second vacuum pump (72).
2. four combined analytical instruments being applicable to complicated chemical industry sample according to claim 1, is characterized in that: the detecting device of described gas chromatograph also comprises the one in flame ionization ditector, electron capture detector, flame photometric detector (FPD) and mass detector.
3. four combined analytical instruments being applicable to complicated chemical industry sample according to claim 1, is characterized in that: described mass spectrometer is organic mass spectrometer.
4. four combined analytical instruments being applicable to complicated chemical industry sample according to claim 3, is characterized in that: described organic mass spectrometer is the one in quadrupole mass spectrometer, ion trap mass spectrometer, time of-flight mass spectrometer and magnetic mass spectrometer.
5. four combined analytical instruments being applicable to complicated chemical industry sample according to claim 1, is characterized in that: described infrared spectrometer is Fourier transform infrared spectrometer, and described Fourier transform infrared spectrometer comprises Michelson interferometer.
6. four combined analytical instruments being applicable to complicated chemical industry sample according to claim 1, is characterized in that: the High-Field spectrometer of described nuclear magnetic resonance spectrometer to be magnetic field intensity be 200-950MHz.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105784863A (en) * | 2016-03-09 | 2016-07-20 | 广东华特气体股份有限公司 | Toxic or harmful gas analysis system and using method |
| CN106525890A (en) * | 2016-11-29 | 2017-03-22 | 中国地质调查局油气资源调查中心 | Experimental facility for synthesis and dissociation of gas mixture hydrate |
| CN106841459A (en) * | 2017-03-31 | 2017-06-13 | 北京雪迪龙科技股份有限公司 | A kind of gas chromatography combined with mass spectrometry interface, system and flow matches method |
| CN106885864A (en) * | 2015-12-15 | 2017-06-23 | 中国科学院大连化学物理研究所 | The more bundles of capillaries post and flight time mass spectrum of sampling sample introduction integration are used in conjunction device |
| CN109459508A (en) * | 2018-10-25 | 2019-03-12 | 上海交通大学 | Adsorbent analytical equipment and its combination analysis method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106885864A (en) * | 2015-12-15 | 2017-06-23 | 中国科学院大连化学物理研究所 | The more bundles of capillaries post and flight time mass spectrum of sampling sample introduction integration are used in conjunction device |
| CN105784863A (en) * | 2016-03-09 | 2016-07-20 | 广东华特气体股份有限公司 | Toxic or harmful gas analysis system and using method |
| CN106525890A (en) * | 2016-11-29 | 2017-03-22 | 中国地质调查局油气资源调查中心 | Experimental facility for synthesis and dissociation of gas mixture hydrate |
| CN106841459A (en) * | 2017-03-31 | 2017-06-13 | 北京雪迪龙科技股份有限公司 | A kind of gas chromatography combined with mass spectrometry interface, system and flow matches method |
| CN109459508A (en) * | 2018-10-25 | 2019-03-12 | 上海交通大学 | Adsorbent analytical equipment and its combination analysis method |
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