CN101097185A - Combined light source of multifunctional atomic absorption spectrometer - Google Patents
Combined light source of multifunctional atomic absorption spectrometer Download PDFInfo
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- CN101097185A CN101097185A CNA2006100470924A CN200610047092A CN101097185A CN 101097185 A CN101097185 A CN 101097185A CN A2006100470924 A CNA2006100470924 A CN A2006100470924A CN 200610047092 A CN200610047092 A CN 200610047092A CN 101097185 A CN101097185 A CN 101097185A
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- atomic absorption
- tungsten
- deuterium
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Abstract
The invention discloses an assembled illuminating source of multiple function atomic absorption spectrograph, it aims at resolving problem: when content of element is lowed to ug/l in the sample measured, graphite furnace atomic installation and hydride generator can be used, the atomizer must be mounted to atomic absorption spectrograph when it is used, the course of installation and debugging is long and fussy, and takes inconvenience to analysis, the essential points of the invention are: it includes element lamp and deuterium lamp, tungsten lamp and element lamp are set on a disk lamp bracket, optical path of the deuterium lamp is vertical with the optical path of the tungsten lamp and element lamp, superposed with light beam of tungsten lamp or element lamp via a semi-transparent mirror and enter analysis optical path. The positive effect of the invention is: it designs the element lamp, deuterium lamp, tungsten lamp together and makes atomic absorption spectrograph possess illuminating source feature of atomic absorption spectrograph and ultraviolet visible spectrophotometer.
Description
Technical field
The present invention relates to the light source of multifunctional atomic absorption spectrometer, particularly utilize tungsten lamp and deuterium lamp to carry out combined light source in the multifunctional atomic absorption spectrometer that ultraviolet-visible spectrophotometry measures.
Background technology
At present known Atomic Absorption Spectrometer can detect accurately to trace of kind more than 70 and even trace element, and advantage is used widely in the analyzing and testing field because it is highly sensitive, disturb less, analysis speed is fast etc.
Ultraviolet-visible pectrophotometer is a kind of analytical instrument that can detect organic element and inorganic elements widely, that uses in the analyzing and testing field is very extensive, structurally with Atomic Absorption Spectrometer have many same or similar outside, possess the condition that two kinds of instruments united two into one, realized resource sharing.
Summary of the invention
If for this reason with Atomic Absorption Spectrometer and ultraviolet-visible pectrophotometer, organic integration is the Multifunction Atomic Absorption Spectrometer of one, can realize a tractor serves several purposes, the saving fund, saves equipment occupation space, purpose easy and simple to handle.Correspondingly multifunctional atomic absorption spectrometer needs combined light source, the purpose of this invention is to provide a kind of tungsten lamp and deuterium lamp of utilizing and carries out combined light source in the multifunctional atomic absorption spectrometer that ultraviolet-visible spectrophotometry measures.
Light source in the common atomic absorption instrument is the element lamp line source, the deuterium lamp continuous light source is installed in some instrument does the background interference measurement; The employed light source of ultraviolet-visible pectrophotometer is two kinds of deuterium lamp and tungsten lamps, and deuterium lamp is measured wavelength is produced the material that absorbs at 190-300nm light, and tungsten lamp is measured wavelength is produced the material that absorbs at 300-900nm light.
The object of the present invention is achieved like this: it comprises element lamp and deuterium lamp, it is characterized in that: tungsten lamp and element lamp are arranged on the disk lamp bracket that can rotate freely, disk can rotate freely, and can be as required, tungsten lamp or element lamp incision are analyzed in the light path, deuterium lamp light path and tungsten lamp, element lamp light path are vertical, overlap and enter in the analysis light path through a semi-transparent semi-reflecting lens and tungsten lamp or element lamp light, when not needing deuterium lamp, can utilize semi-transparent semi-reflecting lens to turn an angle deuterium lamp light is shifted out.
The present invention compares with the prior art scheme, and it makes Atomic Absorption Spectrometer have the light source feature of Atomic Absorption Spectrometer and ultraviolet-visible pectrophotometer after together element lamp, deuterium lamp, three kinds of light source design of tungsten lamp.It carries out the ultraviolet-visible spectrophotometry measurement with tungsten lamp and deuterium lamp, has increased the measuring method of ultraviolet-visible pectrophotometer in the atomic absorption instrument.It constitutes multifunctional atomic absorption spectrometer with the combined type atomizer etc., can realize a tractor serves several purposes, the saving fund, saves equipment occupation space, purpose easy and simple to handle.
Description of drawings
Further specify the present invention below in conjunction with accompanying drawing.
Fig. 1 is structural representation of the present invention (omitting the driving mechanism in the lamp bracket).
Fig. 2 is tungsten lamp and several element lamps synoptic diagram on lamp bracket.
Fig. 3 is the structural representation of combined type atomizer.
Embodiment
Referring to Fig. 1 and 2, three kinds of dissimilar light sources are arranged in the combined light source, it is element lamp 4, tungsten lamp 1 and deuterium lamp 2, tungsten lamp and the design of several element lamps are on a disk lamp bracket that can rotate freely, disk can rotate freely on the disk lamp bracket 5, the disk lamp bracket is subjected to the driving of motor 7 and rotation axis 6, can be as required any one in tungsten lamp or some the element lamps be moved into and analyzes in the light path, deuterium lamp light path and tungsten lamp, the element lamp light path is vertical, overlap and enter in the analysis light path through a semi-transparent semi-reflecting lens 3 and tungsten lamp or element lamp light, when not needing deuterium lamp, can utilize semi-transparent semi-reflecting lens to turn an angle deuterium lamp light is shifted out.This combined light source makes Atomic Absorption Spectrometer have the light source feature of Atomic Absorption Spectrometer and ultraviolet-visible pectrophotometer after together element lamp, deuterium lamp, three kinds of light source design of tungsten lamp.It carries out the ultraviolet-visible spectrophotometry measurement with tungsten lamp and deuterium lamp, has increased the measuring method of ultraviolet-visible pectrophotometer in the atomic absorption instrument.It constitutes multifunctional atomic absorption spectrometer with the combined type atomizer etc., can realize a tractor serves several purposes, the saving fund, saves equipment occupation space, purpose easy and simple to handle.
What match with combined light source is the combined type atomizer, referring to Fig. 3, but flame atomizer 9, be arranged in the mechanism 8 of translation, lifting, when using the ultraviolet-visible pectrophotometer function, cuvette 10 is placed to the top of flame atomizer, and be fixed on translation, the elevating mechanism, utilize its translation and elevating mechanism that required cuvette is moved into during instrumental analysis and analyze light path.Monochromator will be sent into photo-electric conversion element after will analyzing the incident light separation screening of light path.The 11st, heat shield.
Photo-electric conversion element is converted to electric signal with light signal and sends in the analogue detection circuitry.Send into computing machine after analogue detection circuitry is amplified electrical signal again and carry out signal Processing.Hydride generator and graphite furnace power supply can be according to the working method cooperatings of atomizer.
Claims (2)
1, a kind of combined light source of multifunctional atomic absorption spectrometer, it comprises element lamp and deuterium lamp, it is characterized in that: tungsten lamp and element lamp are arranged on the disk lamp bracket that can rotate freely, deuterium lamp light path and tungsten lamp, element lamp light path are vertical, overlap and enter through a semi-transparent semi-reflecting lens and tungsten lamp or element lamp light and analyze in the light path.
2, according to the combined light source of the described multifunctional atomic absorption spectrometer of claim 1, it is characterized in that: the disk lamp bracket is by motor-driven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100470924A CN101097185A (en) | 2006-06-30 | 2006-06-30 | Combined light source of multifunctional atomic absorption spectrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100470924A CN101097185A (en) | 2006-06-30 | 2006-06-30 | Combined light source of multifunctional atomic absorption spectrometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101097185A true CN101097185A (en) | 2008-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006100470924A Pending CN101097185A (en) | 2006-06-30 | 2006-06-30 | Combined light source of multifunctional atomic absorption spectrometer |
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| CN (1) | CN101097185A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101877921B (en) * | 2009-04-28 | 2012-08-29 | 徐培实 | Fixed type combined light source of spectrograph |
| CN103487400A (en) * | 2013-10-15 | 2014-01-01 | 无锡艾科瑞思产品设计与研究有限公司 | Near infrared household food detection device and method |
| CN104132892A (en) * | 2014-06-12 | 2014-11-05 | 苏州卫水环保科技有限公司 | Multi-light source detection device and detection method |
| CN104849213A (en) * | 2014-02-19 | 2015-08-19 | 赛默飞世尔（上海）仪器有限公司 | Light source and optical measurement system |
| CN106872373A (en) * | 2017-04-13 | 2017-06-20 | 南京国电环保科技有限公司 | A kind of deuterium lamp automatic conversion lighting apparatus component |
| CN109900651A (en) * | 2019-04-11 | 2019-06-18 | 山东省食品药品检验研究院 | A kind of Mobyneb food samples detection vehicle |
| CN111707629A (en) * | 2020-07-09 | 2020-09-25 | 上海安杰环保科技股份有限公司 | Light path device and spectrometer with two light sources automatically switched |
| CN111707628A (en) * | 2020-07-09 | 2020-09-25 | 上海安杰环保科技股份有限公司 | Multi-station automatic switching optical path device and spectrometer |
-
2006
- 2006-06-30 CN CNA2006100470924A patent/CN101097185A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101877921B (en) * | 2009-04-28 | 2012-08-29 | 徐培实 | Fixed type combined light source of spectrograph |
| CN103487400A (en) * | 2013-10-15 | 2014-01-01 | 无锡艾科瑞思产品设计与研究有限公司 | Near infrared household food detection device and method |
| CN104849213A (en) * | 2014-02-19 | 2015-08-19 | 赛默飞世尔（上海）仪器有限公司 | Light source and optical measurement system |
| CN104849213B (en) * | 2014-02-19 | 2017-12-29 | 赛默飞世尔（上海）仪器有限公司 | light source and optical measuring system |
| CN104132892A (en) * | 2014-06-12 | 2014-11-05 | 苏州卫水环保科技有限公司 | Multi-light source detection device and detection method |
| CN106872373A (en) * | 2017-04-13 | 2017-06-20 | 南京国电环保科技有限公司 | A kind of deuterium lamp automatic conversion lighting apparatus component |
| CN109900651A (en) * | 2019-04-11 | 2019-06-18 | 山东省食品药品检验研究院 | A kind of Mobyneb food samples detection vehicle |
| CN111707629A (en) * | 2020-07-09 | 2020-09-25 | 上海安杰环保科技股份有限公司 | Light path device and spectrometer with two light sources automatically switched |
| CN111707628A (en) * | 2020-07-09 | 2020-09-25 | 上海安杰环保科技股份有限公司 | Multi-station automatic switching optical path device and spectrometer |
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