CN2550765Y - Electric spectrum-fluid injection-chemical luminous combined analyser - Google Patents
Electric spectrum-fluid injection-chemical luminous combined analyser Download PDFInfo
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- CN2550765Y CN2550765Y CN 02275657 CN02275657U CN2550765Y CN 2550765 Y CN2550765 Y CN 2550765Y CN 02275657 CN02275657 CN 02275657 CN 02275657 U CN02275657 U CN 02275657U CN 2550765 Y CN2550765 Y CN 2550765Y
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Abstract
The utility model relates to an electric spectrum-flow injection-chemiluminescence coupling analyzer, comprising an electric spectrum sample preparation device, a sample wash and storage device, a sample injection flow path, a chemiluminescent device, a detector and an electronic computer, wherein, the sample wash and storage device and the electric spectrum sample preparation are assembled together, and then are connected with the sample injection flow path; the liquid inlet of the chemiluminescent device is connected with the output of the sample injection flow path; the signal input interface of the detector is connected with the signal output of the chemiluminescent device, and the signal output of the detector is connected with the electronic computer. The utility model has the advantages of integration of sample preparation and analysis function, and direct and quick quantificational solid sample analysis with high sensitivity and high precision.
Description
One, technical field
The utility model relates to the instrument that solid sample quantitative test such as a kind of iron and steel, alloy, ore are used.
Two, background technology
Chinese patent ZL95242760.5 discloses a kind of electricity spectrum-ion chromatograph of direct analysis solid sample, this kind instrument utilizes the sample preparation of electrography principle, principle of chromatography analysis, mainly composes sampling device, washing sampling device and chromatographic analysis device by electricity and forms.Owing to utilize the principle of chromatography analytical sample by chromatographic analysis device, its advantage is the different kinds of ions in the solid sample of quantitative measurement simultaneously, but that weak point is a sensitivity for analysis is lower, and analysis speed is slower.The flow injection of Chu Xianing-chemiluminescence coupling analyser is owing to adopt the chemiluminescence principle analysis in recent years, thereby sensitivity for analysis height, analysis speed are fast, but weak point is to analyze liquor sample, can not directly analyze solid sample.
Three, summary of the invention
The utility model is at the deficiency that prior art exists, and provides a kind of sensitivity for analysis height, analysis speed is fast, analysis precision good, can be directly to the instrument of solid sample quantitative test.
The technical solution of the utility model is: according to the characteristics of solid sample, utilize the principle sample preparation of electrography, utilize flow injection ratio juris sample introduction, utilize the principle analysis of chemoluminescence method.Under the guidance of above-mentioned design philosophy, combined electrographic, flow injection and chemiluminescent provided by the utility model comprises that with analyser electricity composes sampling device, washing sample storage device, sample introduction stream, chemical photic device, detecting device and robot calculator.Washing sample storage device and electricity are composed sampling device assembly and be connected with the sample introduction stream mutually, the inlet of chemical photic device is connected with the output terminal of sample introduction stream, the signal input interface of detecting device is connected with the signal output part of chemical photic device, and its signal output part is connected with the signal input apparatus of robot calculator.
The sample introduction stream is generally two.Article one, be the stream of carrying oxidation liquid and luminescent solution, mainly assemble by low-lift pump, mixer and connecting tube; Another is the stream of carrying sample solution or standard specimen solution and promoting liquid, is mainly assembled by low-lift pump, sampling valve and connecting tube; Article two, the junction of sample introduction stream output terminal is provided with mixer.
The utlity model has following beneficial effect:
1, integrates sample preparation, analytic function, only need install solid sample or standard specimen just can carry out quantitative test, obtain analysis result.
2, sensitivity for analysis height can reach ng/g～pg/g.
3, analysis precision height can reach 2～5%.
4, analysis speed is fast, analyzes a solid sample and only needs 3～5min, can finish.
Four, description of drawings
Fig. 1 is according to a kind of structure diagram of combined electrographic, flow injection and chemiluminescent provided by the utility model with analyser.
Among the figure, 1. constant-current supply, 2. voltage-selected switch, 3. reometer 4. washs cover, 5. solid sample, 6. anode, 7. sluicing pipe, 8. lye container, 9. power switch, 10. timing relay, 11. voltage tables, 12. woven hose, 13. negative electrodes, 14. regulators, 15. filter paper, 16. sample storage devices, 17. connecting tubes, 18. low-lift pump, 19. connecting tubes, 20. connecting tubes, 21. low-lift pump, 22. mixers, 23. auto injection valves, 24. mixer, 25. chemical photic devices, 26. detecting devices, 27. robot calculator, 28. connecting tubes.
Five, embodiment
Embodiment:
The structure of the combined electrographic, flow injection and chemiluminescent usefulness analyser in the present embodiment as shown in Figure 1.Electricity is composed sampling device and is made up of the regulator 14 that the anode 6 of constant-current supply 1, voltage-selected switch 2, power switch 9, reometer 3, voltage table 11, timing relay 10, electrolysis sample and negative electrode 13, control sample or standard specimen and electrode press power indirectly; Constant-current supply 1, reometer 3, anode 6, negative electrode 13, timing relay 10 connect for series circuit; Voltage table 11 is in parallel with anode 6 and negative electrode 13; Regulator 14 is the fluid pressure type structure, and its two securing members lay respectively at anode 6 and locate with the outer face of negative electrode 13.Washing sample storage device is made up of lye container 8, sluicing pipe 7, washing cover 4, woven hose 12 and sample storage device 16; The installation site of lye container 8 is higher than two electrodes, and washing cover 4 is installed on the negative electrode 13, and an end of woven hose 12 links to each other with washing cover 4, and the other end links to each other with sample storage device 16.The sample introduction stream is two; Article one, be the stream of carrying oxidation liquid and luminescent solution, mainly assemble by binary channels low-lift pump 21, mixer 22 and connecting pipe 19,20; Another is the stream of carrying sample solution or standard specimen solution and promoting liquid, is mainly assembled by binary channels low-lift pump 18, auto injection valve 23 and connecting tube 17,28; Article two, the junction of sample introduction stream output terminal is provided with mixer 24.The inlet of chemical photic device 25 is connected by the liquid outlet of pipe fitting with mixer 24; The signal input interface of detecting device 26 is connected with the signal output part of chemical photic device; The signal input apparatus of robot calculator 27 is connected with the signal output part of detecting device.Constant-current supply 1, voltage-selected switch 2, power switch 9, reometer 3, voltage table 11, timing relay 10, low- lift pump 18 and 21, mixer 22 and 24, auto injection valve 23, chemical photic device 25, detecting device 26, robot calculator 27 used in the present embodiment are the commercially available prod.
The combined electrographic, flow injection and chemiluminescent that uses the utility model to provide is analyzed solid sample with analyser, and running program is as follows:
1, lays sample or standard specimen
To be placed on the negative electrode 13 by the wetting filter paper 15 of electrolyte solution, solid sample or standard specimen will be used the coated abrasive working surface, place on the filter paper 15, by regulator 14 sample or standard specimen will be fastened between anode 6 and the negative electrode 13 then.
2, energising electrolysis
Select suitable voltage, about 1 minute of conduction time.
3, washing
Cleansing solution in the lye container 8 is put into the groove flushing filter paper 15 that washing cover 4 is surrounded, and ion and cleansing solution that solid sample is migrated on the filter paper enter sample storage device 16 formation sample solution or standard specimen solution together.
4, sample introduction analysis
Oxidation liquid, luminescent solution and promotion liquid pump gone into make it enter chemical photic device after the sample introduction stream mixes, detecting device presents constant electric signal, handles forming baseline and surveyed and drawn by robot calculator; Again oxidation liquid, luminescent solution and sample solution or standard specimen solution are pumped into the mixing of sample introduction stream, and make it enter chemical photic device, detecting device presents the electric signal of variation, handles the formation spectrogram by robot calculator and is surveyed and drawn; Sample spectrogram and the standard specimen spectrogram drawn are compared, then can analyze the content of measured matter in the sample.
Claims (2)
1, a kind of combined electrographic, flow injection and chemiluminescent analyser, comprise that electricity composes sampling device, washing sample storage device, it is characterized in that also comprising sample introduction stream, chemical photic device (25), detecting device (26) and robot calculator (27), the inlet of chemical photic device is connected with the output terminal of sample introduction stream, the signal input interface of detecting device is connected with the signal output part of chemical photic device, and its signal output part is connected with the signal input apparatus of robot calculator.
2, combined electrographic, flow injection and chemiluminescent analyser according to claim 1, it is characterized in that the sample introduction stream is two, article one, be the stream of carrying oxidation liquid and luminescent solution, mainly assemble by low-lift pump (21), mixer (22) and connecting tube (19) (20), another is the stream of carrying sample solution or standard specimen solution and promoting liquid, mainly assembled by low-lift pump (18), sampling valve (23) and connecting tube (17) (28), the junction of two sample introduction stream output terminals is provided with mixer (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02275657 CN2550765Y (en) | 2002-07-10 | 2002-07-10 | Electric spectrum-fluid injection-chemical luminous combined analyser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02275657 CN2550765Y (en) | 2002-07-10 | 2002-07-10 | Electric spectrum-fluid injection-chemical luminous combined analyser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2550765Y true CN2550765Y (en) | 2003-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 02275657 Expired - Fee Related CN2550765Y (en) | 2002-07-10 | 2002-07-10 | Electric spectrum-fluid injection-chemical luminous combined analyser |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103499569A (en) * | 2013-10-14 | 2014-01-08 | 山东省科学院海洋仪器仪表研究所 | Detecting device and method for detecting flow injection chemiluminescence water inorganic mercury by inhibiting |
| CN103616365A (en) * | 2013-12-11 | 2014-03-05 | 山东省科学院海洋仪器仪表研究所 | Detection device and method for measuring lead in water by flow injection fluorescence quenching method |
-
2002
- 2002-07-10 CN CN 02275657 patent/CN2550765Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103499569A (en) * | 2013-10-14 | 2014-01-08 | 山东省科学院海洋仪器仪表研究所 | Detecting device and method for detecting flow injection chemiluminescence water inorganic mercury by inhibiting |
| CN103616365A (en) * | 2013-12-11 | 2014-03-05 | 山东省科学院海洋仪器仪表研究所 | Detection device and method for measuring lead in water by flow injection fluorescence quenching method |
| CN103616365B (en) * | 2013-12-11 | 2016-03-30 | 山东省科学院海洋仪器仪表研究所 | Flow injection Fluorimetric Quenching Method measures pick-up unit plumbous in water and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |