CN203732448U - Device with capacity of reducing spectral interference of atomic fluorescence spectrometer - Google Patents
Device with capacity of reducing spectral interference of atomic fluorescence spectrometer Download PDFInfo
- Publication number
- CN203732448U CN203732448U CN201420095767.2U CN201420095767U CN203732448U CN 203732448 U CN203732448 U CN 203732448U CN 201420095767 U CN201420095767 U CN 201420095767U CN 203732448 U CN203732448 U CN 203732448U
- Authority
- CN
- China
- Prior art keywords
- optical
- photoelectric detector
- atomizer
- optical device
- atomic fluorescence
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000003595 spectral effect Effects 0.000 title abstract description 11
- 230000003287 optical effect Effects 0.000 claims abstract description 61
- 230000005284 excitation Effects 0.000 claims abstract description 19
- 238000001228 spectrum Methods 0.000 claims description 18
- 238000004458 analytical method Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 230000003071 parasitic effect Effects 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 238000001391 atomic fluorescence spectroscopy Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- 238000000559 atomic spectroscopy Methods 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000295 emission spectrum Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
Landscapes
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The utility model discloses a device with capacity of reducing spectral interference of an atomic fluorescence spectrometer, and belongs to the technical field of spectral interference. The device comprises excitation light sources, an atomizer, a photoelectric detector, first optical devices, an optical filter and a second optical device, wherein the excitation light sources irradiate the atomizer through the first optical device, a fluorescence signal obtained by the atomizer is irradiated to the photoelectric detector through the second optical device and the optical filter sequentially, or the fluorescence signal obtained by the atomizer is irradiated to the photoelectric detector through the optical filter and the second optical device sequentially. The device is simple in structure, the optical filter is used for receiving spectral lines with certain wavelengths, the spectral lines are provided for the photoelectric detector for detection, spectral interference entering the photoelectric detector is reduced, background of the atomic fluorescence spectrometer is reduced, stable fluorescence signals are provided, and analysis result errors of the photoelectric detector are reduced.
Description
Technical field
The utility model relates to a kind of device that atomic fluorescence spectrometer spectrum disturbs that reduces, and belongs to spectrum perturbation technique field.
Background technology
Atomic fluorescence spectrometry is the spectral analysis technique that proposes middle 1960s and grow up, and is an important branch in atomic spectroscopy, and it is the comprehensive and development of Atomic absorption and atomic emission spectrum, is a kind of good Analytical Methods of Trace.
The ppt level that existing atomic fluorescence spectrometer is mainly used in Hg, As, Se, Te, Bi, Sb, Sn or other element detects, and it is widely used in the industries such as environmental protection, clinical medicine, agricultural, geology metallurgy, pharmaceutical industry, petrochemical complex.Atomic fluorescence spectrometry is to utilize the wavelength of atomic fluorescence spectral line and intensity to carry out the qualitative and quantitative analysis method of material, after its ultimate principle is the optical radiation of atomic vapour Absorption Characteristics wavelength, atom is excited to high level, then while getting back to ground state, launch the atomic fluorescence of certain wavelength, then according to the content of the element that intensive analysis is surveyed of fluorescence.
In prior art, the characteristic spectral line of the excitation source transmitting of element to be measured is irradiated to the furnace chamber inwall of atomizer, due to the diffuse reflection effect of light, understand some light and reflex to signal receiver, this part light is called as parasitic light, the existence of parasitic light can cause the background of atomic fluorescence spectrometer high, because the fluorescence signal receiving is unstable, the fluorescence signal that can cause photoelectric detector to receive is all not that certain element atomic vapour absorbs the atomic fluorescence producing after the optical radiation of its characteristic wavelength, the spectrum that exists other wavelength disturbs, cause errors of analytical results.
Utility model content
The utility model provides a kind of device that atomic fluorescence spectrometer spectrum disturbs that reduces, exist parasitic light to cause the background of atomic fluorescence spectrometer high to solve existing atomic fluorescence spectrometer, and the fluorescence signal that causes photoelectric detector to receive exists the spectrum of other wavelength to disturb, cause the problem of errors of analytical results, the utility model adopts following technical scheme for this reason:
A kind of device that reduces the interference of atomic fluorescence spectrometer spectrum, comprise excitation source, atomizer, photoelectric detector, the first optical device, optical filter and the second optical device, wherein, excitation source is irradiated in atomizer by the first optical device, the fluorescence signal that atomizer obtains is irradiated to photoelectric detector by the second optical device and optical filter successively, or the fluorescence signal that atomizer obtains is irradiated to photoelectric detector by optical filter and the second optical device successively.
The apparatus structure that the reduction atomic fluorescence spectrometer spectrum that the utility model embodiment provides disturbs is simple, the spectral line that receives specific wavelength by optical filter offers photoelectric detector detection, reduce the spectrum interference that enters photoelectric detector, reduce the background of atomic fluorescence spectrometer, the stability of fluorescence signal is provided, has reduced the errors of analytical results of photoelectric detector.
Brief description of the drawings
in order to be illustrated more clearly in the technical scheme of the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the first structural representation of a kind of device that reduces the interference of atomic fluorescence spectrometer spectrum described in the utility model;
Fig. 2 is the second structural representation of a kind of device that reduces the interference of atomic fluorescence spectrometer spectrum described in the utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
A kind of device that reduces the interference of atomic fluorescence spectrometer spectrum providing at the utility model embodiment, as shown in the first structural representation of Fig. 1, comprise excitation source 1, atomizer 2, photoelectric detector 3, the first optical device 4, optical filter 5 and the second optical device 6, wherein, excitation source 1 is irradiated in atomizer 2 by the first optical device 4, and the fluorescence signal that atomizer 2 obtains is irradiated to photoelectric detector 3 by the second optical device 6 and optical filter 5 successively.
Particularly, optical filter 5 can comprise at least one band pass filter or at least one many band pass filter, and excitation source 1 and the first optical device 4 are used in conjunction with, in described device, at least comprise one group described in excitation source 1 and the first optical device 4.Wherein, the first optical device 4 and the second optical device 6 are the optical devices for focusing on, such as focuser etc.
Particularly, the working method of the device disturbing by the reduction atomic fluorescence spectrometer spectrum in the first structural representation is: after the characteristic spectral line that the excitation source of element to be measured 1 is launched focuses on by the first optical device 4, be irradiated in atomizer 2, with the atom to be measured in excited atom device 2 argon hydrogen flames, as optionally, the position (bandpass filter position is motionless) that can rotate to the corresponding light path of atomizer by filter set obtains fluorescence signal, to obtain being irradiated to photoelectric detector 3 after fluorescence signal focuses on by the second optical device 6 successively and optical filter 5 filters detects.
The utility model embodiment also provides a kind of device that atomic fluorescence spectrometer spectrum disturbs that reduces, as shown in the second structural representation of Fig. 2, comprise excitation source 1, atomizer 2, photoelectric detector 3, the first optical device 4, optical filter 5 and the second optical device 6, wherein, excitation source 1 is irradiated in atomizer 2 by the first optical device 4, and the fluorescence signal that atomizer 2 obtains is irradiated to photoelectric detector 3 by optical filter 5 and the second optical device 6 successively.
Particularly, optical filter 5 can comprise at least one band pass filter or at least one many band pass filter, and excitation source 1 and the first optical device 4 are used in conjunction with, in described device, at least comprise one group described in excitation source 1 and the first optical device 4.Wherein, the first optical device 4 and the second optical device 6 are the optical devices for focusing on, such as focuser etc.
Particularly, the working method of the device disturbing by the reduction atomic fluorescence spectrometer spectrum in the second structural representation is: after the characteristic spectral line that the excitation source of element to be measured 1 is launched focuses on by the second optical device 6, be irradiated in atomizer 2, with the atom to be measured in excited atom device 2 argon hydrogen flames, as optionally, the position (bandpass filter position is motionless) that can rotate to the corresponding light path of atomizer by filter set obtains fluorescence signal, the fluorescence signal obtaining is filtered by optical filter 5 successively and the second optical device 6 focuses on and is irradiated to photoelectric detector 3 and detects.
The above; it is only preferably embodiment of the utility model; but protection domain of the present utility model is not limited to this; any be familiar with those skilled in the art the utility model embodiment disclose technical scope in; the variation that can expect easily or replacement, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (3)
1. one kind is reduced the device that atomic fluorescence spectrometer spectrum disturbs, comprise excitation source (1), atomizer (2), and photoelectric detector (3), it is characterized in that, also comprise the first optical device (4), optical filter (5) and the second optical device (6), wherein, excitation source (1) is irradiated in atomizer (2) by the first optical device (4), the fluorescence signal that atomizer (2) obtains is irradiated to photoelectric detector (3) by the second optical device (6) and optical filter (5) successively, or, the fluorescence signal that atomizer (2) obtains is irradiated to photoelectric detector (3) by optical filter (5) and the second optical device (6) successively.
2. a kind of device that atomic fluorescence spectrometer spectrum disturbs that reduces according to claim 1, is characterized in that, described optical filter (5) comprises at least one band pass filter or at least one many band pass filter.
3. a kind of device that atomic fluorescence spectrometer spectrum disturbs that reduces according to claim 1, it is characterized in that, described excitation source (1) and the first optical device (4) are used in conjunction with, in described device, at least comprise one group described in excitation source (1) and the first optical device (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420095767.2U CN203732448U (en) | 2014-03-04 | 2014-03-04 | Device with capacity of reducing spectral interference of atomic fluorescence spectrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420095767.2U CN203732448U (en) | 2014-03-04 | 2014-03-04 | Device with capacity of reducing spectral interference of atomic fluorescence spectrometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203732448U true CN203732448U (en) | 2014-07-23 |
Family
ID=51202511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420095767.2U Expired - Lifetime CN203732448U (en) | 2014-03-04 | 2014-03-04 | Device with capacity of reducing spectral interference of atomic fluorescence spectrometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203732448U (en) |
-
2014
- 2014-03-04 CN CN201420095767.2U patent/CN203732448U/en not_active Expired - Lifetime
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20170059409A1 (en) | Apparatus and method for measuring reference spectrum for sample analysis, and apparatus and method for analyzing sample | |
| CN104568899A (en) | Portable raman spectrometer | |
| CN101408503A (en) | Method for automatically detecting and dynamically substracting stray light of spectrometer and spectrometer | |
| CN202794037U (en) | Device for deducting light source fluctuation of atomic fluorescence photometer | |
| CN205374306U (en) | Binary channels time -resolved immunofluorescence chromatography test paper strip detector | |
| CN101545862B (en) | Device for detecting content of suspended lead in air | |
| CN203324172U (en) | Atomic absorption spectrophotometer | |
| CN203732448U (en) | Device with capacity of reducing spectral interference of atomic fluorescence spectrometer | |
| CN204128960U (en) | A kind of drinks quality sense organ classification quick analytic instrument | |
| CN106501184B (en) | Optical glass measuring device and measuring method thereof | |
| CN202837182U (en) | Atomic fluorescence spectrophotometer optical system | |
| CN204165650U (en) | The Optical transmission spectrum measurement mechanism of ultra-narrow band pass filter | |
| CN206208749U (en) | Single beam multi-wavelength flue gas inspection sensing device | |
| CN105548094A (en) | Twin-lens based LIBS system for trace heavy metal detection | |
| CN206146837U (en) | A optics and detecting system for multichannel atomic fluorescence spectrophotometer | |
| CN201497705U (en) | Real-time flame observation device used for atomic fluorescence spectroscopy | |
| CN102980864A (en) | Spectrophotometric detection device and detection method thereof | |
| CN203037571U (en) | Atomic absorption spectrophotometer background deduction device | |
| Näther et al. | Temporal and spectral separation of singlet oxygen luminescence from near infrared emitting photosensitizers | |
| CN202870005U (en) | Thin-sample grazing X-ray fluorescence spectrum analysis system | |
| CN101598668A (en) | A kind of non-dispersive optical system that is used for atomic fluorescence spectrometer | |
| CN203259462U (en) | Apparatus for measuring equivalent water content in N2O4 through sepectrometry | |
| CN102889928B (en) | 100000000 grades of bandwidth photoelectric detection instrument scaling methods | |
| CN202974857U (en) | Spectrophotometric detection device | |
| CN204064899U (en) | Molecular spectrum structure analysis instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING BOHUI INNOVATION TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: BEIJING RUIGUANG INSTRUMENT CO., LTD. Effective date: 20140930 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100015 CHAOYANG, BEIJING TO: 102206 CHANGPING, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140930 Address after: 102206 No. 9 middle road, Changping District life science and Technology Park, Beijing Patentee after: BEIJING BOHUI INNOVATION TECHNOLOGY Co.,Ltd. Address before: 100015 No. 5, building 8, building 1, Jiuxianqiao East Road, Chaoyang District, Beijing Patentee before: Beijing Ruiguang Instrument Co.,Ltd. |
|
| CP03 | Change of name, title or address |
Address after: 102206 9 life Garden Road, Changping District, Beijing Patentee after: BEIJING BOHUI INNOVATION BIOTECHNOLOGY Co.,Ltd. Address before: 102206 No. 9 middle road, life science and Technology Park, Changping District, Beijing Patentee before: BEIJING BOHUI INNOVATION TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 102206 9 life Garden Road, Changping District, Beijing Patentee after: Beijing Bohui innovative biotechnology group Co.,Ltd. Address before: 102206 9 life Garden Road, Changping District, Beijing Patentee before: BEIJING BOHUI INNOVATION BIOTECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140723 |
|
| CX01 | Expiry of patent term |