CN203324190U - Non-deviation atomic fluorescence excitation light source calibrating apparatus - Google Patents
Non-deviation atomic fluorescence excitation light source calibrating apparatus Download PDFInfo
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- CN203324190U CN203324190U CN2013203363050U CN201320336305U CN203324190U CN 203324190 U CN203324190 U CN 203324190U CN 2013203363050 U CN2013203363050 U CN 2013203363050U CN 201320336305 U CN201320336305 U CN 201320336305U CN 203324190 U CN203324190 U CN 203324190U
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Abstract
The utility model provides a non-deviation atomic fluorescence excitation light source calibrating apparatus, and belongs to the technical field of fluorescence excitation light source calibrating apparatuses. The non-deviation atomic fluorescence excitation light source calibrating apparatus provided by the utility model comprises an excitation light source, an optical system, a spectrograph and a data processing system, wherein the excitation light source, the optical system, the spectrograph and the data processing system are successively arranged, the light sent by the excitation light source is focused on the spectrograph through the optical system, and the spectrograph sends the detected data to the data processing system. The non-deviation atomic fluorescence excitation light source calibrating apparatus provided by the utility model has the advantages that the non-deviation atomic fluorescence excitation light source calibrating apparatus is used for carrying out wavelength scanning on the common non-deviation atomic fluorescence excitation light source at present, and evaluation of practical measuring interference degree on each interference peak in a pointed manner according to a standard spectrum diagram of the excitation light source; the purity of the excitation light source is rapidly and exactly judged, the detection of the non-deviation atomic fluorescence excitation light source is standardized, the potential risk of a wrong analysis result caused by the impure excitation light source is eliminated, and the reliability of a non-deviation atomic fluorescence method analysis result is improved.
Description
Technical field
The utility model relates to a kind of non-dispersive atomic fluorescence excitation source calibrating instrument, belongs to fluorescence excitation light source calibrating instrument technical field.
Background technology
Non-dispersive atomic fluorescence photometer (spectrometer), as a kind of highly sensitive toxic heavy metal element checkout equipment, has obtained application quite widely at present in the every field such as metallurgy, geology, oil, agricultural, biomedicine, geochemistry, material science, environmental science.Excitation source at actual application Atom fluorescence has been played the part of dual role, provides energy for tested element atom excite transitions on the one hand, as line source, can play tested element selective excitation on the other hand, reaches the purpose of " light splitting ".Theoretically, if excitation source is enough pure, can accomplish the selective excitation to object element, thereby reach selective determination.Therefore excitation source is enough pure is the condition precedent that Accurate Determining was set up and reached to on-dispersive atomic fluorescence technology.
In recent years, China has issued non-dispersive atomic fluorescence measurement verification regulations (JJG939-1998) and product standard (GB/T21191-2007) in succession, but all do not relate to the detection index to one of non-dispersive atomic fluorescence core component excitation source purity in these rules and standard, in detected complete machine index, also the neither one index can reflect the selectivity of instrument to element.The disappearance of these important indicators, almost make the non-dispersive atomic fluorescence technology lose its precondition of relying and existing.May there is the potential danger that causes the analysis result mistake because excitation source is impure thus.The purity of excitation source may have been brought very large impact to the accuracy of measurement of atomic fluorescence spectrometer.
The utility model content
The purpose of this utility model is the problem existed in order to solve above-mentioned prior art, lacks for atomic fluorescence excitation source purity detecting instrument at present.And then provide a kind of non-dispersive atomic fluorescence excitation source calibrating instrument.
The purpose of this utility model is achieved through the following technical solutions:
A kind of non-dispersive atomic fluorescence excitation source calibrating instrument, comprise: excitation source, optical system, spectrometer and data handling system, described excitation source, optical system, spectrometer and data handling system be the order arranged successively, the light that described excitation source sends focuses on spectrometer through optical system, and spectrometer is passed to data handling system by the data of detection.
The beneficial effects of the utility model: the utility model can carry out length scanning to current non-dispersive atomic fluorescence excitation source commonly used, according to the standard spectrogram of excitation source, carries out targetedly the evaluation of each Interference Peaks to the practical measurement annoyance level; Excitation source purity accuracy of judgement is quick, standard the detection of non-dispersive atomic fluorescence excitation source, stopped to cause because excitation source is impure the potential danger of analysis result mistake, improved the reliability of non-dispersive atomic fluorescence method analysis result.
The accompanying drawing explanation
The structural representation that Fig. 1 is the utility model non-dispersive atomic fluorescence excitation source calibrating instrument;
The structural representation that Fig. 2 is non-dispersive atomic fluorescence excitation source calibrating instrument light path of optical spectrometer.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail: the present embodiment is implemented take technical solutions of the utility model under prerequisite, provided detailed embodiment, but protection domain of the present utility model is not limited to following embodiment.
As depicted in figs. 1 and 2, a kind of non-dispersive atomic fluorescence excitation source calibrating instrument that the present embodiment is related, comprise: excitation source 1, optical system 2, spectrometer 3 and data handling system 4, described excitation source 1, optical system 2, spectrometer 3 and data handling system 4 be the order arranged successively, the light that described excitation source 1 sends focuses on spectrometer 3 through optical system 2, and spectrometer 3 is passed to data handling system 4 by the data of detection.
Described spectrometer 3 comprises slit 3-1, concave grating 3-2 and CCD linear array 3-3, after the light that excitation source 1 sends focuses on the slit 3-1 on spectrometer 3, shine concave grating 3-2 upper, concave grating 3-2 is divided into polychromatic spectra to incident light by wavelength, after reflection, by CCD linear array 3-3, is received.
Principle of work:
As depicted in figs. 1 and 2, the light that excitation source 1 sends focuses on spectrometer 3 after entrance slit 3-1 through optical system 2, shine on concave grating 3-2, concave grating 3-2 is divided into polychromatic spectra to incident light by wavelength, after reflection, by line array CCD 3-3, received, data are carried out analyzing and processing through data handling system 4.
The utility model adopts spectrometer to carry out light splitting to excitation source, can accurately judge light source purity, and the calibrating of carrying out standard, science for the excitation source of non-dispersive atomic fluorescence provides important foundation.
The above; it is only preferably embodiment of the utility model; these embodiments all are based on the different implementations under the utility model general idea; and protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; 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 claims.
Claims (2)
1. a non-dispersive atomic fluorescence excitation source calibrating instrument, comprise: excitation source (1), optical system (2), spectrometer (3) and data handling system (4), it is characterized in that, described excitation source (1), optical system (2), spectrometer (3) and data handling system (4) be the order arranged successively, it is upper that the light that described excitation source (1) sends focuses on spectrometer (3) through optical system (2), and spectrometer (3) is passed to data handling system (4) by the data of detection.
2. non-dispersive atomic fluorescence excitation source calibrating instrument according to claim 1, it is characterized in that, described spectrometer (3) comprises slit (3-1), concave grating (3-2) and CCD linear array (3-3), after the light that excitation source (1) sends focuses on the slit (3-1) on spectrometer (3), shine on concave grating (3-2), concave grating (3-2) is divided into polychromatic spectra to incident light by wavelength, after reflection, by CCD linear array (3-3), is received.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203363050U CN203324190U (en) | 2013-06-09 | 2013-06-09 | Non-deviation atomic fluorescence excitation light source calibrating apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203363050U CN203324190U (en) | 2013-06-09 | 2013-06-09 | Non-deviation atomic fluorescence excitation light source calibrating apparatus |
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| CN203324190U true CN203324190U (en) | 2013-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013203363050U Expired - Lifetime CN203324190U (en) | 2013-06-09 | 2013-06-09 | Non-deviation atomic fluorescence excitation light source calibrating apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105092215A (en) * | 2015-08-10 | 2015-11-25 | 北京市计量检测科学研究院 | Non-dispersive atomic fluorescence excitation light source impurity detection device |
| CN105157953A (en) * | 2015-08-10 | 2015-12-16 | 北京市计量检测科学研究院 | Non-dispersive atomic fluorescence excitation light source purity detection method |
-
2013
- 2013-06-09 CN CN2013203363050U patent/CN203324190U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105092215A (en) * | 2015-08-10 | 2015-11-25 | 北京市计量检测科学研究院 | Non-dispersive atomic fluorescence excitation light source impurity detection device |
| CN105157953A (en) * | 2015-08-10 | 2015-12-16 | 北京市计量检测科学研究院 | Non-dispersive atomic fluorescence excitation light source purity detection method |
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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: 20140922 |
|
| 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: 20140922 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, 5 floor, building 1, 8 East Jiuxianqiao Road, Beijing, Chaoyang District 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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131204 |
|
| CX01 | Expiry of patent term |