CN208937544U - The inorganic and organic mercury blended liquid phase chromatographic separation device of isotope analysis - Google Patents
The inorganic and organic mercury blended liquid phase chromatographic separation device of isotope analysis Download PDFInfo
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- CN208937544U CN208937544U CN201821731686.1U CN201821731686U CN208937544U CN 208937544 U CN208937544 U CN 208937544U CN 201821731686 U CN201821731686 U CN 201821731686U CN 208937544 U CN208937544 U CN 208937544U
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- pipeline
- liquid
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- inorganic
- phase chromatographic
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Abstract
The utility model relates to a kind of inorganic and organic mercury blended liquid phase chromatographic separation devices of isotope analysis, including pipeline A and pipeline B, pipeline A liquid feeding end is provided with the sample liquid cup equipped with sample liquid, the liquid feeding end of pipeline B is provided with the mobile phase cup equipped with mobile phase, the outlet end of pipeline A and pipeline B are provided with supervisor, high-pressure plunger pump is disposed on supervisor along liquid flow direction, C18 reverse-phase chromatographic column, ultraviolet digestion lamp and gas-liquid separator, pipeline C is provided between ultraviolet digestion lamp and gas-liquid separator, the one end pipeline C is connected with supervisor, the pipeline C other end is provided with the reducing agent cup equipped with reducing agent, the outlet end of supervisor is provided with gas-liquid separator, in pipeline A, peristaltic pump is provided on pipeline B and pipeline C.It is the utility model structure novel, easy to operate, can be collected into pure simple substance gaseous mercury, while can also by sample liquid organic mercury and inorganic mercury be collected respectively.
Description
Technical field
The utility model relates to a kind of inorganic and organic mercury blended liquid phase chromatographic separation devices of isotope analysis.
Background technique
Inorganic and organic mercury method for separating liquid phase chromatography applied to isotope analysis is based primarily upon the analysis of form mercury at present
Technology is realized.Device is generally by low pressure peristaltic pump, high-pressure plunger pumping system, C18 reverse-phase chromatographic column, ultraviolet digestion module, two
Triple valve and connecting pipe form.The working principle step of existing apparatus is the sample liquid that will first pre-process, through peristaltic pump with
Flowing mixes, and under high-pressure plunger pump promotion, through C18 reverse-phase chromatography post separation, ultraviolet digestion lamp is according to this by the inorganic of outflow
Mercury and organic mercury resolution be dimercurion, out before liquid 3 min through two position three-way valve 1,2 enter the first separating liquid bottle collect by
Inorganic mercury oxidation and come contain mercury solution, valve position switches to 1,3 later, 3 min to 8 min from organic mercury oxidation
Liquid is collected into the second separating liquid bottle out.
But above-mentioned collection method is there are following technological deficiency, that is, the substance containing mobile phase in the liquid isolated,
It is also handled before subsequent carry out isotope analysis, mercury is separated from mobile phase and is enriched with again.
Summary of the invention
In view of this, the purpose of the utility model is to provide a kind of structure novels, the nothing of isotope analysis easy to operate
Machine and organic mercury blended liquid phase chromatographic separation device, can be collected into pure simple substance gaseous mercury, while can also will be in sample liquid
Organic mercury and inorganic mercury are collected respectively.
The utility model is realized using following scheme: a kind of inorganic and organic mercury blended liquid phase chromatography of isotope analysis point
From device, including pipeline A and pipeline B, pipeline A liquid feeding end is provided with the sample liquid cup equipped with sample liquid, and the liquid feeding end of pipeline B is set
It is equipped with the mobile phase cup equipped with mobile phase, the outlet end of pipeline A and pipeline B are provided with supervisor, along liquid flow direction in master
High-pressure plunger pump, C18 reverse-phase chromatographic column, ultraviolet digestion lamp and gas-liquid separator are disposed on pipe, ultraviolet digestion lamp with
Pipeline C is provided between gas-liquid separator, the one end pipeline C is connected with supervisor, and the pipeline C other end is provided with going back equipped with reducing agent
Former agent cup is provided with gas-liquid separator in the outlet end of supervisor, is provided with peristaltic pump on pipeline A, pipeline B and pipeline C.
Further, supervisor's outlet end is provided with two-position three way magnetic valve, the inlet of two-position three way magnetic valve and master
The outlet end of pipe is connected to, and two liquid outlets of two-position three way magnetic valve are respectively arranged with pipeline D and pipeline E, one end pipeline D and two
Position-3-way solenoid valve connection, the pipeline D other end are provided with collecting pipe A, and the one end pipeline E is connected to two-position three way magnetic valve, pipeline E
The other end is provided with collecting pipe B.
Further, it is provided with feed liquor connector on gas-liquid separator, goes out liquid connector, air inlet connector and is connected with outlet
Mouthful.
Further, the feed liquor connector and outlet connector are connected with supervisor.
Further, waste liquid cylinder is provided with below liquid connector out.
Further, air inlet pipe is provided on air inlet connector, air inlet pipe one end is connect with air inlet connector, and air inlet pipe is another
One end is provided with inert gas source.
Further, the inert gas source is source nitrogen or argon gas source.
Compared with prior art, the utility model has the following beneficial effects:
The utility model can be collected into pure simple substance gaseous mercury, while can also be by the organic mercury and inorganic mercury in sample liquid
The simple substance gaseous mercury being transformed is collected respectively.
For the purpose of this utility model, technical solution and advantage is more clearly understood, specific embodiment will be passed through below
And relevant drawings, the utility model is described in further detail.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment；
In figure: 100- pipeline A；110- sample liquid cup；200- pipeline B；210- mobile phase cup；300- peristaltic pump；400- master
Pipe；410- high-pressure plunger pump；420-C18 reverse-phase chromatographic column；430- ultraviolet digestion lamp；440- gas-liquid separator；441- feed liquor connects
Interface；442- goes out liquid connector；443- air inlet connector；444- outlet connector；450- two-position three way magnetic valve；460- inertia
Gas source；470- air inlet pipe；500- pipeline C；510- reducing agent cup；600- pipeline D；610- collecting pipe A；700- pipeline E；710-
Collecting pipe B；800- waste liquid cylinder.
Specific embodiment
As shown in Figure 1, a kind of inorganic and organic mercury blended liquid phase chromatographic separation device of isotope analysis, including pipeline
A100 and pipeline B200, pipeline A100 liquid feeding end are provided with the sample liquid cup 110 equipped with sample liquid, and the liquid feeding end of pipeline B200 is set
It is equipped with the mobile phase cup 210 equipped with mobile phase, the outlet end of pipeline A100 and pipeline B200 are provided with supervisor 400, along liquid
It is gentle that flow direction is disposed with high-pressure plunger pump 410, C18 reverse-phase chromatographic column 420, ultraviolet digestion lamp 430 on supervisor 400
Liquid/gas separator 440 is provided with pipeline C500, the one end pipeline C500 and master between ultraviolet digestion lamp 430 and gas-liquid separator 440
Pipe 400 is connected, and the pipeline C500 other end is provided with the reducing agent cup 510 equipped with reducing agent, is provided in the outlet end of supervisor 400
Gas-liquid separator 440 is provided with peristaltic pump 300 on pipeline A100, pipeline B200 and pipeline C500.
In the present embodiment, it is provided with two-position three way magnetic valve 450 being responsible for 400 outlet ends, two-position three way magnetic valve 450
Inlet with supervisor 400 outlet end be connected to, two liquid outlets of two-position three way magnetic valve 450 be respectively arranged with pipeline D600 with
Pipeline E700, the one end pipeline D600 are connected to two-position three way magnetic valve 450, and the pipeline D600 other end is provided with collecting pipe A610,
The one end pipeline E700 is connected to two-position three way magnetic valve 450, and the pipeline E700 other end is provided with collecting pipe B710.It can be to two
Triple valve carries out commutation adjusting, and then the simple substance gaseous mercury to be collected is made to respectively enter collecting pipe A610 and collecting pipe B710.
In the present embodiment, it is provided with feed liquor connector 441 on gas-liquid separator 440, goes out liquid connector 442, air inlet connection
Mouth 443 and outlet connector 444.
In the present embodiment, the feed liquor connector 441 is connect with supervisor 400 with outlet connector 444.
In the present embodiment, waste liquid cylinder 800 is provided with below liquid connector 442 out.It can be collected by waste liquid cylinder 800 from gas
The waste liquid for going out liquid connector 442 and flowing out of liquid/gas separator 440.
In the present embodiment, air inlet pipe 470,470 one end of air inlet pipe and air inlet connector are provided on air inlet connector 443
443 connections, 470 other end of air inlet pipe are provided with inert gas source 460.It is avoided using inert gas when gas purges, with list
Matter gaseous mercury reacts.
In the present embodiment, the inert gas source 460 is source nitrogen or argon gas source.
Specific implementation process: when work, the sample liquid pre-processed is mixed through peristaltic pump 300 with flowing, sample liquid
Enter peristaltic pump 300 by pipeline A100, mobile phase enters flow pumps by pipeline B200, contains organic mercury and nothing in sample liquid
The mixed liquor of machine mercury, then the mixed liquor of sample liquid and mobile phase enters supervisor 400, and under the promotion of high-pressure plunger pump 410, into
Enter C18 reverse-phase chromatographic column 420 to be separated, due to containing organic mercury and inorganic mercury in mixed liquor, organic mercury is passing through C18 reverse phase
The time needed in chromatographic column 420 is 3 ~ 8min, and inorganic mercury is being small in the time by needing in C18 reverse-phase chromatographic column 420
In 3min, so carrying out initial gross separation after C18 reverse-phase chromatographic column 420 in mixed liquor, make inorganic mercury preceding 3min first from
It is separated in mixed liquor, organic mercury is then flowed out from C18 reverse-phase chromatographic column 420 in 3 ~ 8min, is continued then along supervisor 400
Flow forward, inorganic mercury and organic mercury are followed by ultraviolet digestion lamp 430, and ultraviolet digestion lamp 430 is in preceding 3min first by outflow
Inorganic mercury resolution be dimercurion, ultraviolet digestion lamp 430 3min ~ 8min by the organic mercury of outflow clear up for bivalent mercury from
Son, inorganic mercury and organic mercury are mixed with reducing agent respectively after clearing up for dimercurion, going back in reducing agent cup 510
Former agent enters peristaltic pump 300 through piping C500, and is pumped into supervisor 400 by peristaltic pump 300 and is mixed with dimercurion, and two
Valence mercury ion is converted into Elemental Mercury after mixing with reducing agent, then the mixed liquor containing Elemental Mercury from feed liquor connector 441 into
Enter gas-liquid separator 440, after the mixed liquor containing Elemental Mercury enters gas-liquid separator 440, the air inlet toward gas-liquid separator 440 connects
Interface 443 is filled with argon gas, separates Elemental Mercury from mixed liquor, and at this moment Elemental Mercury becomes gaseous elemental mercury, and from gas-liquid
The outlet connecting hole of separator 440 is blown out, and the waste liquid of mixed liquor is then flowed out from the liquid connector 442 that goes out of gas-liquid separator 440,
The waste liquid cylinder 800 of 442 lower section of liquid connector is flowed into out, gaseous elemental mercury continues along 400 flow forwards of supervisor, into two-position three way
The gaseous elemental mercury of solenoid valve 450, preceding 3 min purging is transformed by the inorganic mercury in sample liquid, is controlled in preceding 3min
Two-position three way magnetic valve 450 processed connects pipeline D600 and supervisor 400, and the simple substance gaseous state tribute of 3min enters collecting pipe before making
A610, in 3 ~ 8min, the gaseous elemental mercury of purging is to control two in 3 ~ 8min from the organomercurial transformation in sample liquid
Position-3-way solenoid valve 450 connects pipeline E700 and supervisor 400, and the simple substance gaseous state tribute of 3 ~ 8min is made to enter collecting pipe B710, into
And complete the conversion and collection of inorganic mercury and organic mercury in sample liquid.
Above-listed preferred embodiment has been further described the purpose of this utility model, technical solution and advantage,
It should be understood that the above is only the preferred embodiment of the utility model only, it is not intended to limit the utility model, it is all
Within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in practical
Within novel protection scope.
Claims (7)
1. a kind of inorganic and organic mercury blended liquid phase chromatographic separation device of isotope analysis, it is characterised in that: including pipeline A and
Pipeline B, pipeline A liquid feeding end are provided with the sample liquid cup equipped with sample liquid, and the liquid feeding end of pipeline B is provided with the stream equipped with mobile phase
Dynamic phase cup, is provided with supervisor in the outlet end of pipeline A and pipeline B, is disposed with high pressure on supervisor along liquid flow direction
Plunger pump, C18 reverse-phase chromatographic column, ultraviolet digestion lamp and gas-liquid separator, are arranged between ultraviolet digestion lamp and gas-liquid separator
There is pipeline C, the one end pipeline C is connected with supervisor, and the pipeline C other end is provided with the reducing agent cup equipped with reducing agent, in going out for supervisor
Liquid end is provided with gas-liquid separator, is provided with peristaltic pump on pipeline A, pipeline B and pipeline C.
2. the inorganic and organic mercury blended liquid phase chromatographic separation device of isotope analysis according to claim 1, feature
It is: supervisor's outlet end is provided with two-position three way magnetic valve, the inlet of two-position three way magnetic valve and the outlet end of supervisor connect
Logical, two liquid outlets of two-position three way magnetic valve are respectively arranged with pipeline D and pipeline E, the one end pipeline D and two-position three way magnetic valve
Connection, the pipeline D other end are provided with collecting pipe A, and the one end pipeline E is connected to two-position three way magnetic valve, and the pipeline E other end is provided with
Collecting pipe B.
3. the inorganic and organic mercury blended liquid phase chromatographic separation device of isotope analysis according to claim 1, feature
It is: is provided with feed liquor connector on gas-liquid separator, goes out liquid connector, air inlet connector and outlet connector.
4. the inorganic and organic mercury blended liquid phase chromatographic separation device of isotope analysis according to claim 3, feature
Be: the feed liquor connector and outlet connector are connected with supervisor.
5. the inorganic and organic mercury blended liquid phase chromatographic separation device of isotope analysis according to claim 3, feature
It is: goes out below liquid connector and be provided with waste liquid cylinder.
6. the inorganic and organic mercury blended liquid phase chromatographic separation device of isotope analysis according to claim 3, feature
It is: is provided with air inlet pipe on air inlet connector, air inlet pipe one end is connect with air inlet connector, and the air inlet pipe other end is provided with lazy
Property gas source.
7. the inorganic and organic mercury blended liquid phase chromatographic separation device of isotope analysis according to claim 6, feature
Be: the inert gas source is source nitrogen or argon gas source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821731686.1U CN208937544U (en) | 2018-10-24 | 2018-10-24 | The inorganic and organic mercury blended liquid phase chromatographic separation device of isotope analysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821731686.1U CN208937544U (en) | 2018-10-24 | 2018-10-24 | The inorganic and organic mercury blended liquid phase chromatographic separation device of isotope analysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208937544U true CN208937544U (en) | 2019-06-04 |
Family
ID=66725732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821731686.1U Expired - Fee Related CN208937544U (en) | 2018-10-24 | 2018-10-24 | The inorganic and organic mercury blended liquid phase chromatographic separation device of isotope analysis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208937544U (en) |
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2018
- 2018-10-24 CN CN201821731686.1U patent/CN208937544U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190604 Termination date: 20211024 |
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| CF01 | Termination of patent right due to non-payment of annual fee |