CN101477132A - Shipborne ultra-trace amount of reactive phosphate analysis system - Google Patents
Shipborne ultra-trace amount of reactive phosphate analysis system Download PDFInfo
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- CN101477132A CN101477132A CNA2009101109481A CN200910110948A CN101477132A CN 101477132 A CN101477132 A CN 101477132A CN A2009101109481 A CNA2009101109481 A CN A2009101109481A CN 200910110948 A CN200910110948 A CN 200910110948A CN 101477132 A CN101477132 A CN 101477132A
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Abstract
The invention discloses to a ship load type ultra trace active phosphate analyzing system, relates to active phosphate analyzing equipment, and provides a ship load type ultra trace active phosphate analyzing system capable of automatically carrying out reagent adding, sample enrichment, cleaning, elution and testing, pipeline self-cleaning cleaning, data transmission and storage, data real-time construction, data processing, and the like. The analyzing system is provided with a multi-channel selecting valve, a liquid conveying device, a switching valve, an enriching device, a liquid inlet and outlet pipeline, a reaction bottle, a water storing pipe, a test and control device and an RS-232 serial interface, wherein the input end of the liquid conveying device is connected with the multi-channel selecting valve, and the output end of the liquid conveying device is connected with the input end of the switching valve; the output end of the switching valve is connected with the input end of the enriching device and the input end of the water storing device respectively; the output end of the enriching device is connected with the input end of the test and control device which is connected with a computer through the RS-232 serial interface; and the output end of the water storing device is connected to the reaction bottle which is connected with the multi-channel selecting valve.
Description
Technical field
The present invention relates to a kind of reactive phosphate analytical equipment, especially relate to a kind of shipborne ultra-trace amount of reactive phosphate analysis system.
Background technology
Phosphorus is the sea life necessary nutrients of growing, and sea surface is because a large amount of consumption of phytoplankton, and phosphorus concentration is very low, even becomes the restricted element of primary productivity of marine ecosystem.Along with to the going deep into of the Researches on Biogeochemical Circulation of phosphorus, the phosphatic analysis determining method as phosphorus principal ingredient in the seawater becomes the key in the marine environment science research.The classical assay method of phosphate the most commonly used is phosphorus molybdenum blue (PMB) spectrophotometric method in the marine monitoring standard at present, these rules are active phosphorus by the measured that part of phosphorus of phosphorus molybdenum blue spectrophotometric method surely, comprise the orthophosphate of the overwhelming majority, the organophosphorus and the condensed phosphate of minute quantity facile hydrolysis in the mensuration process.The detection of this method be limited to 300nmol/L ([1] National Bureau of Oceanography. marine monitoring standard [S]. Beijing: Maritime Press, 1991,277-281).And in a lot of oligotrophic salt marine sites, the phosphatic concentration of seawater surface is low to moderate micromole even nanomole level, well below the detectability of this method.Therefore, research seawater in ultra-trace amount of reactive phosphorus sensitivity, accurately and rapidly detection method significant ([2] Yuan Dongxing, Liang Ying. the progress [J] of trace active phosphorus analytical technology in the marine environment. environmental chemistry, 2006,35 (2): 252-256).The low phosphorus hydrochlorate detection method that present Chinese scholars is explored all is applicable to land lab analysis basically, and commercial trace active phosphorus on-the site analysis instrument is not arranged as yet.In view of the low concentration material all might be polluted in preservation and transportation, on-the site analysis is imperative, and exploitation boat-carrying formula analytic system seems very important.
Summary of the invention
The object of the present invention is to provide a kind of can carry out automatically reagent interpolation, example enrichment, cleaning, wash-out and detection, pipeline self-cleaning defecate wash, the shipborne ultra-trace amount of reactive phosphate analysis system of data transmission and preservation, data in real time mapping and data processing etc.
The present invention is provided with hyperchannel selector valve, liquid transporting apparatus, transfer valve, enriching apparatus, liquid inlet and outlet piping, reaction bulb, standpipe, Detection ﹠ Controling device and RS-232 serial line interface.The input termination hyperchannel selector valve of liquid transporting apparatus, the output termination transfer valve input end of liquid transporting apparatus, the transfer valve output terminal is connected with the standpipe input end with the enriching apparatus input end respectively, the enriching apparatus output terminal is connected with Detection ﹠ Controling device input end, the Detection ﹠ Controling device is connected with computing machine by the RS-232 serial line interface, the output terminal of standpipe is connected to reaction bulb, and reaction bulb is connected with the hyperchannel selector valve.
The hyperchannel selector valve links to each other with passages such as different reagent, sample or detecting devices, with interpolation or delivery of therapeutic agents and sample.Liquid transporting apparatus can aspirate and promotion liquid by positive and negative both direction, and transfer valve can switch the threeway stream of one-in-and-two-out, selects output channel.
Enriching apparatus can be provided with solid-phase extraction column and sieve plate and joint, and solid-phase extraction column is the solid-phase extraction column with the corresponding different fillers of chemical reaction.The liquid inlet and outlet piping can be provided with connecting pipe and the corresponding joint that connects each parts in the liquid course of conveying.Reaction bulb is the device that sample reacts, and can place thermostats such as water-bath as requested.The Detection ﹠ Controling device is provided with light source, circulation detecting pool, photoelectric commutator and is the signal processing module and the control module of central processing unit with the single-chip microcomputer, can control hyperchannel selector valve, liquid transporting apparatus, transfer valve and photoelectric commutator according to the order of host computer, finish self-cleaning the defecating of reagent interpolation, example enrichment, cleaning, wash-out and detection, pipeline automatically and operation such as wash; By the RS-232 serial line interface slave computer is connected with computing machine, transmits and reception order and data; Whether computer software also can be in data acquisition be drawn except that slave computer is controlled in real time, carry out normally to judge reaction, and has data processing function.
Described hyperchannel selector valve can be the commercialization multi-position valve.
Described liquid transporting apparatus can be peristaltic pump, syringe pump, reciprocating plunger pump or other device of can constant current carrying liquid etc.
Described transfer valve can be that three-way solenoid valve or other can carry out the multiport valve that valve position switches etc.
Described enriching apparatus can be the commercialization solid-phase extraction column, and filler is C18, hydrophil lipophil balance filler (HLB) or other fillers that contain polystyrene functional group etc.
Described liquid inlet and outlet piping can be silicone tube, polyfluortetraethylene pipe or fluorine plastic tube etc.
Described Detection ﹠ Controling device can be that incident light source is the high brightness single color LED, adds the Halogen lamp LED of optical filter or LASER Light Source etc.; Photoelectric commutator can be photomultiplier, silicon photo diode or photoelectric chip etc.With the single-chip microcomputer is the signal processing module and the control module of central processing unit, can control hyperchannel selector valve, liquid transporting apparatus, transfer valve and photoelectric commutator according to the order of host computer, finish self-cleaning the defecating of reagent interpolation, example enrichment, cleaning, wash-out and detection, pipeline automatically and operation such as wash.
Described RS-232 serial line interface is a standard interface.
Whether described computer software is the instrument control and the data acquisition process software of Visual Basic language compilation, except that slave computer is controlled, also can draw in real time in data acquisition, carry out normally to judge reaction, and has data processing function.
The present invention is a kind of shipborne ultra-trace amount of reactive phosphate analysis system, and its outstanding advantage is:
1) simple to operate, the automaticity height can be finished the analysis to sample automatically behind setting program on the host computer.
2) all parts adopt solid states design, can satisfy the requirement of on-the site analysis under the mal-condition at sea.
3) through after changing light source and reagent, promptly can be applicable to other and with enrichment-wash-out-spectrophotomelric assay be the trace materials analysis of principle equally, applied widely, have wide scientific research and market outlook and significant social economic benefit.
Description of drawings
Fig. 1 is that the structure of the embodiment of the invention is formed synoptic diagram.
Embodiment
Below in conjunction with accompanying drawing the present invention is elaborated.
As shown in Figure 1, the present invention is provided with hyperchannel selector valve 1, liquid transporting apparatus 2, transfer valve 3, enriching column 4, Detection ﹠ Controling device 5, computing machine 6, reaction bulb 7 and water storage coil pipe 8.
After instrument started, the light source of Detection ﹠ Controling device 5 was opened, and slave computer enters holding state.According to the order of computing machine 6, hyperchannel selector valve 1 pumps into reaction reagent in the reaction bulb 7 by liquid transporting apparatus 2 successively, and can store pure water in water storage coil pipe 8, and this moment, the valve position of transfer valve 3 need be led to reaction bulb 7; After reaction finished, hyperchannel selector valve 1 was connected with reaction bulb 7, and liquid transporting apparatus 2 carries out enrichment with reacted solution through enriching column 4, and waste liquid flows out through sewer pipe 9; After enrichment finished, hyperchannel selector valve 1 was connected with elute soln with water, pre-dilution successively, finished enriching column and cleaned and the sample wash-out, detected by detection and control system 5, and data are sent to computing machine 6 mapped in real time; After detection finished, hyperchannel selector valve 1 was connected with water, cleaned signal piping, and this moment, the valve position of transfer valve 3 need be led to enriching column 4; Subsequently, the valve position of transfer valve 3 is led to reaction bulb 7, utilizes the water backwashing sample introduction pipeline in the water storage coil pipe 8.After whole process finished, slave computer reentered holding state.
Claims (10)
1. shipborne ultra-trace amount of reactive phosphate analysis system is characterized in that being provided with hyperchannel selector valve, liquid transporting apparatus, transfer valve, enriching apparatus, liquid inlet and outlet piping, reaction bulb, standpipe, Detection ﹠ Controling device and RS-232 serial line interface; The input termination hyperchannel selector valve of liquid transporting apparatus, the output termination transfer valve input end of liquid transporting apparatus, the transfer valve output terminal is connected with the standpipe input end with the enriching apparatus input end respectively, the enriching apparatus output terminal is connected with Detection ﹠ Controling device input end, the Detection ﹠ Controling device is connected with computing machine by the RS-232 serial line interface, the output terminal of standpipe is connected to reaction bulb, and reaction bulb is connected with the hyperchannel selector valve.
2. shipborne ultra-trace amount of reactive phosphate analysis system as claimed in claim 1 is characterized in that enriching apparatus is provided with solid-phase extraction column and sieve plate and joint, and solid-phase extraction column is the solid-phase extraction column with the corresponding different fillers of chemical reaction.
3. shipborne ultra-trace amount of reactive phosphate analysis system as claimed in claim 1 is characterized in that the liquid inlet and outlet piping is provided with connecting pipe and the corresponding joint that connects each parts in the liquid course of conveying.
4. shipborne ultra-trace amount of reactive phosphate analysis system as claimed in claim 1 is characterized in that the Detection ﹠ Controling device is provided with light source, circulation detecting pool, photoelectric commutator and is the signal processing module and the control module of central processing unit with the single-chip microcomputer.
5. shipborne ultra-trace amount of reactive phosphate analysis system as claimed in claim 1 is characterized in that described hyperchannel selector valve is the commercialization multi-position valve.
6. shipborne ultra-trace amount of reactive phosphate analysis system as claimed in claim 1 is characterized in that described liquid transporting apparatus is that liquid device is carried in peristaltic pump, syringe pump, reciprocating plunger pump or constant current.
7. shipborne ultra-trace amount of reactive phosphate analysis system as claimed in claim 1 is characterized in that described transfer valve is three-way solenoid valve or carries out the multiport valve that valve position is switched.
8. shipborne ultra-trace amount of reactive phosphate analysis system as claimed in claim 1 is characterized in that described enriching apparatus is the commercialization solid-phase extraction column, and filler is C18, hydrophil lipophil balance filler or other fillers that contain polystyrene functional group.
9. shipborne ultra-trace amount of reactive phosphate analysis system as claimed in claim 1 is characterized in that described liquid inlet and outlet piping is silicone tube, polyfluortetraethylene pipe or fluorine plastic tube.
10. shipborne ultra-trace amount of reactive phosphate analysis system as claimed in claim 4 is characterized in that described Detection ﹠ Controling device is that incident light source is the high brightness single color LED, adds the Halogen lamp LED or the LASER Light Source of optical filter; Photoelectric commutator is photomultiplier, silicon photo diode or photoelectric chip.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2009101109481A CN101477132A (en) | 2009-01-22 | 2009-01-22 | Shipborne ultra-trace amount of reactive phosphate analysis system |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2009101109481A CN101477132A (en) | 2009-01-22 | 2009-01-22 | Shipborne ultra-trace amount of reactive phosphate analysis system |
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| CN101477132A true CN101477132A (en) | 2009-07-08 |
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| CNA2009101109481A Pending CN101477132A (en) | 2009-01-22 | 2009-01-22 | Shipborne ultra-trace amount of reactive phosphate analysis system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102879342A (en) * | 2011-07-14 | 2013-01-16 | 中国科学院电子学研究所 | Portable phosphate detector having GPS positioning and wireless transmission functions |
| CN106970129A (en) * | 2017-05-05 | 2017-07-21 | 合肥师范学院 | A kind of trace element detection device |
| CN109826772A (en) * | 2019-04-03 | 2019-05-31 | 四川轻化工大学 | Continuous flow injection pump system and control method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2694278Y (en) * | 2003-08-28 | 2005-04-20 | 湖南力合科技发展有限公司 | Automatic monitoring instrument for chemical oxygen demand of pollutant source |
| CN101084426A (en) * | 2004-10-05 | 2007-12-05 | 美塔莱公司 | Analysis of metals in acidic solutions |
| CN201141864Y (en) * | 2007-11-02 | 2008-10-29 | 郭永亮 | Automatic chemical analyzer |
-
2009
- 2009-01-22 CN CNA2009101109481A patent/CN101477132A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2694278Y (en) * | 2003-08-28 | 2005-04-20 | 湖南力合科技发展有限公司 | Automatic monitoring instrument for chemical oxygen demand of pollutant source |
| CN101084426A (en) * | 2004-10-05 | 2007-12-05 | 美塔莱公司 | Analysis of metals in acidic solutions |
| CN201141864Y (en) * | 2007-11-02 | 2008-10-29 | 郭永亮 | Automatic chemical analyzer |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102879342A (en) * | 2011-07-14 | 2013-01-16 | 中国科学院电子学研究所 | Portable phosphate detector having GPS positioning and wireless transmission functions |
| CN102879342B (en) * | 2011-07-14 | 2015-02-04 | 中国科学院电子学研究所 | Portable phosphate detector having GPS positioning and wireless transmission functions |
| CN106970129A (en) * | 2017-05-05 | 2017-07-21 | 合肥师范学院 | A kind of trace element detection device |
| CN109826772A (en) * | 2019-04-03 | 2019-05-31 | 四川轻化工大学 | Continuous flow injection pump system and control method thereof |
| CN109826772B (en) * | 2019-04-03 | 2024-05-28 | 四川轻化工大学 | Continuous flow injection pump system and control method thereof |
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Application publication date: 20090708 |