CN105424459B - A kind of absorptive element and solid-phase micro-extracting device - Google Patents
A kind of absorptive element and solid-phase micro-extracting device Download PDFInfo
- Publication number
- CN105424459B CN105424459B CN201511027177.1A CN201511027177A CN105424459B CN 105424459 B CN105424459 B CN 105424459B CN 201511027177 A CN201511027177 A CN 201511027177A CN 105424459 B CN105424459 B CN 105424459B
- Authority
- CN
- China
- Prior art keywords
- absorptive element
- chamber
- solid
- phase micro
- extracting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/40—Concentrating samples
- G01N1/405—Concentrating samples by adsorption or absorption
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of absorptive element and solid-phase micro-extracting devices, and including the absorptive element for organic matter in water sample in adsorption sample container, absorptive element includes the plug contacted with water sample, and extracting substance is arranged on the lateral wall of plug by coating process.Extracting substance is arranged on the lateral wall of plug by coating process, improves extraction working efficiency by absorptive element and solid-phase micro-extracting device provided by the invention, avoids the problem of extraction seed is easy to fall off, influences effect of extracting.
Description
Technical field
The present invention relates to sample detection pretreatment technology fields, fill more particularly to a kind of absorptive element and solid phase microextraction
It sets.
Background technique
SPME is a kind of micro-extraction isolation technics to grow up in solid phase extraction techniques, be a kind of sampling of collection, extraction,
Concentration and sample introduction are in the solvent-free sample micro-extraction new technology of one.Compared with solid phase extraction techniques, solid phase microextraction is operated more
Simply, it carries and is more convenient, operating cost is also cheaper；In addition overcome that the Solid Phase Extraction rate of recovery is low, adsorbent duct is easily stifled
The shortcomings that plug.Therefore become one of the method being most widely used in currently used Sample Pretreatment Technique.It can be with gas phase
The combination of the technologies such as chromatography, high performance liquid chromatography and mass spectrum.
Solid phase micro-extraction technique is mainly used in laboratory testing at present, needs manually to participate in, the degree of automation is not high.With
The progress of technology, solid phase micro-extraction technique also start for water quality organic matter it is automatic monitoring in, in application process, water sample
It is injected into solid phase microextraction unit, the absorptive element in the adsorbent equipment of solid phase microextraction inhales the organic matter in water sample
It is attached, water sample is then emptied, adsorbent equipment is heated, so that the organic matter to be measured being adsorbed on absorptive element be parsed
Come.
In the prior art, extraction seed is mounted on the plug of adsorbent equipment, is easy to fall off, is influenced effect of extracting.
Therefore, a kind of absorptive element and solid-phase micro-extracting device for improving effect of extracting is designed, is those skilled in the art
Urgent problem to be solved.
Summary of the invention
It the present invention provides a kind of absorptive element and solid-phase micro-extracting device, solves in the prior art, extraction seed is easy de-
The problem of falling, influencing effect of extracting.
Technical solution provided by the invention is as follows:
A kind of absorptive element, for the organic matter in water sample in adsorption sample container, which is characterized in that the absorptive element
Including the plug contacted with the water sample, extracting substance is arranged on the lateral wall of the plug by coating process.
A kind of solid-phase micro-extracting device is also wrapped including the absorptive element for organic matter in water sample in adsorption sample container
It includes:
It is connect with the absorptive element, for accommodating the chamber of the absorptive element after drying；
It is arranged in the chamber lateral wall, the chamber for being discharged to the adsorbed organic matter of the absorptive element adds
Thermal；
It is connect with the chamber, for the organic matter released after heating to be delivered to the delivery port of detection device；
The absorptive element includes the plug contacted with the water sample, and extracting substance is arranged by coating process in the core
On the lateral wall of stick.
Preferably, the absorptive element is connect with telecontrol equipment, and the telecontrol equipment exists for realizing the absorptive element
Up and down motion between in the sample container and in the chamber.
Preferably, it is provided with the first gas check at the accent of the chamber entered for the absorptive element, it is described
The second gas check is provided at the connector of chamber and the delivery port.
Preferably, the sample container outer wall is provided with container heating device.
Preferably, the agitating device for making the water sample movement is provided in the sample container.
Preferably, the delivery port outer wall set is provided with the heating dress of the delivery port above second gas check
It sets.
Preferably, the cavity bottom is communicated with the first carrier gas pipe, and the first carrier gas pipe is for defeated into the chamber
Send protective gas.
Preferably, the second carrier gas pipe being connected to the delivery port, institute are additionally provided with above the delivery port heating device
The second carrier gas pipe is stated for conveying protective gas into the chamber.
It preferably, further include the drying section for the absorptive element being moved to after the completion for dry absorption outside the water sample
Part.
Absorptive element and solid-phase micro-extracting device provided by the present invention compared with prior art lead to extracting substance
It crosses coating process to be arranged on the lateral wall of plug, avoids the problem of extraction seed is easy to fall off, influences effect of extracting.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in invention, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of absorptive element provided by the embodiment of the present invention one and solid-phase micro-extracting device.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, below in conjunction with of the invention real
The attached drawing in example is applied, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work, all should belong to protection of the present invention
Range.
Embodiment
The embodiment of the invention discloses a kind of absorptive elements, special for the organic matter in water sample in adsorption sample container 1
Sign is that absorptive element 2 includes the plug 21 contacted with water sample, and the outside of plug 21 is arranged in by coating process for extracting substance
On wall.
Since extracting substance is arranged on the lateral wall of plug 21 using coating process, improves work efficiency, avoid
The problem of extraction seed is easy to fall off, influences effect of extracting.
The embodiment of the invention also discloses a kind of solid-phase micro-extracting devices, including in water sample in adsorption sample container 1
The absorptive element 2 of organic matter, which is characterized in that further include:
It is connect with absorptive element 2, for accommodating the chamber 3 of the absorptive element 2 after drying；
Chamber heating device in 3 lateral wall of chamber, for being discharged to the adsorbed organic matter of absorptive element 2 is set
31；
It is connect with chamber 3, for the organic matter released after heating to be delivered to the delivery port 4 of detection device；
Absorptive element 2 includes the plug 21 contacted with water sample, and the outer of plug 21 is arranged in by coating process in extracting substance
On side wall.
Using above-mentioned set-up mode, after absorptive element 2 adsorbs in sample container 1, absorptive element 2 is moved to
Except 2 in sample container, that is, except the water sample of sample container 1, and the moisture of absorptive element 2 is dried, after dry
Absorptive element 2 enter chamber 3, and it is under the action of the chamber heating device 31 of chamber 3 that absorptive element 2 is adsorbed organic
The organic matter of object release, release is transported to subsequent detection device by delivery port 4.Since extracting substance is arranged using coating process
On the lateral wall of plug 21, extraction working efficiency is improved, extraction seed is avoided and is easy to fall off, influence asking for effect of extracting
Topic.
Preferably, absorptive element 2 is connect with telecontrol equipment 5, and telecontrol equipment 5 is for realizing absorptive element 2 in sample container 1
Up and down motion between in interior and chamber 3.It drives absorptive element 2 to realize using telecontrol equipment 5 draw organic matter, be sent into chamber
Heating discharges, returns to moving repeatedly up and down for these three the interior steps of sample container 1 in 3, improves the automation effect of device.
Preferably, be provided with the first gas check 36 at the accent 33 of chamber 3 entered for absorptive element 2, chamber 3 with
It is provided with the second gas check 32 at the connector 34 of delivery port 4, prevents the organic matter released in chamber 3 from revealing.
Preferably, 1 outer wall of sample container is provided with container heating device 11, being capable of significantly more efficient completion absorptive element 2
Extraction work so that extraction more sufficiently effectively.
Preferably, it is provided with the agitating device 12 for moving water sample in sample container 1, significantly more efficient can complete
The extraction work of absorptive element 2, so that extraction is more sufficiently effectively.
Preferably, 4 outer wall set of delivery port is provided with the delivery port heating device 41 above the second gas check 32, into
One step reduces a possibility that having steam when organic matter continues detection device after entering.
Preferably, 3 bottom of chamber is communicated with the first carrier gas pipe 35, and the first carrier gas pipe 35 is used to convey protection into chamber 3
Gas, the protective gas conveyed herein use nitrogen or other inert gases, for preferably organic matter to be blown by delivery port 4
It send to subsequent detection device.
Preferably, the second carrier gas pipe 42 being connected to delivery port 4 is additionally provided with above delivery port heating device 41, second carries
For tracheae 42 for conveying protective gas into chamber 3, the protective gas conveyed herein uses nitrogen or other inert gases, is used for
After extraction, conveys in protective gas to chamber 2 and remove residuals.
It preferably, further include the drying part 6 for the absorptive element 2 being moved to after the completion for dry absorption outside water sample, it is real
After now drawing organic matter out of sample container 1 to absorptive element 2, into cavity 3 in moving process, to further doing for moisture
It is dry.
Absorptive element and solid-phase micro-extracting device provided by the present invention compared with prior art lead to extracting substance
It crosses coating process to be arranged on the lateral wall of plug, improves extraction working efficiency, avoid extraction seed and be easy to fall off, influence to extract
The problem of taking effect.Preferably, realize that absorptive element is upper between in sample container and in chamber by setting telecontrol equipment
Lower movement improves automation；Setting gas check prevents organic matter from revealing；Heating device and stirring dress are arranged to sample container
It sets, keeps extraction more abundant；Setting appendix blows organic matter and removes residuals；Drying part is set to absorptive element into one
Walk drying.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (9)
1. a kind of solid-phase micro-extracting device, the absorptive element (2) including being used for organic matter in adsorption sample container (1) interior water sample,
It is characterized in that,
The absorptive element (2) includes the plug (21) contacted with the water sample, and extracting substance is arranged by coating process in institute
On the lateral wall for stating plug (21)；
Further include:
It is connect with the absorptive element (2), for accommodating the chamber (3) of the absorptive element (2) after drying；
Chamber of the setting in the chamber (3) lateral wall, for being discharged to the absorptive element (2) adsorbed organic matter
Heating device (31)；
It is connect with the chamber (3), for the organic matter released after heating to be delivered to the delivery port of detection device
(4)；
The absorptive element (2) includes the plug (21) contacted with the water sample, and extracting substance is arranged by coating process in institute
On the lateral wall for stating plug (21).
2. solid-phase micro-extracting device as described in claim 1, which is characterized in that the absorptive element (2) and telecontrol equipment (5)
Connection, the telecontrol equipment (5) is for realizing the absorptive element (2) in the sample container (1) and in the chamber (3)
Between up and down motion.
3. solid-phase micro-extracting device as claimed in claim 2, which is characterized in that the chamber (3) is used for the absorption member
It is provided with the first gas check (36) at the accent (33) that part (2) enters, the connection of the chamber (3) and the delivery port (4)
The second gas check (32) are provided at mouth (34).
4. solid-phase micro-extracting device as described in claim 1, which is characterized in that sample container (1) outer wall is provided with appearance
Device heating device (11).
5. solid-phase micro-extracting device as described in claim 1, which is characterized in that be provided with and be used in the sample container (1)
Make the agitating device (12) of the water sample movement.
6. solid-phase micro-extracting device as claimed in claim 3, which is characterized in that delivery port (4) the outer wall set is provided with position
Delivery port heating device (41) above second gas check (32).
7. solid-phase micro-extracting device as claimed in claim 3, which is characterized in that chamber (3) bottom is communicated with the first load
Tracheae (35), the first carrier gas pipe (35) are used to convey protective gas into the chamber (3).
8. solid-phase micro-extracting device as claimed in claim 6, which is characterized in that above the delivery port heating device (41) also
It is provided with the second carrier gas pipe (42) being connected to the delivery port (4), the second carrier gas pipe (42) is used for the chamber (3)
Interior conveying protective gas.
9. solid-phase micro-extracting device as described in claim 1, which is characterized in that further include for being moved after the completion of dry absorption
The drying part (6) of the absorptive element (2) outside to the water sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511027177.1A CN105424459B (en) | 2015-12-31 | 2015-12-31 | A kind of absorptive element and solid-phase micro-extracting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511027177.1A CN105424459B (en) | 2015-12-31 | 2015-12-31 | A kind of absorptive element and solid-phase micro-extracting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105424459A CN105424459A (en) | 2016-03-23 |
| CN105424459B true CN105424459B (en) | 2019-07-09 |
Family
ID=55502812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511027177.1A Active CN105424459B (en) | 2015-12-31 | 2015-12-31 | A kind of absorptive element and solid-phase micro-extracting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105424459B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342615A (en) * | 2018-09-30 | 2019-02-15 | 力合科技（湖南）股份有限公司 | Analytical mechanism and water sample processing system |
| CN109342614A (en) * | 2018-09-30 | 2019-02-15 | 力合科技（湖南）股份有限公司 | Water sample processing system |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5496741A (en) * | 1994-04-14 | 1996-03-05 | University Of Waterloo | Device and process for increasing analyte concentration in a sorbent |
| US6702951B2 (en) * | 2000-10-06 | 2004-03-09 | Robinson Laboratories, Inc. | Scent adsorbing liquid formulation |
| CN2840001Y (en) * | 2005-07-07 | 2006-11-22 | 中国科学院广州地球化学研究所 | Sediment gap water in-situ sampling device |
| CN1951577A (en) * | 2005-10-19 | 2007-04-25 | 中国科学院大连化学物理研究所 | Preparation method of solid phase micro-extraction coat layer |
| CN101455946A (en) * | 2008-12-29 | 2009-06-17 | 北京绿洲德瀚环境保护中心 | Solid-phase extraction membrane and preparation method thereof |
| CN101782556A (en) * | 2009-12-31 | 2010-07-21 | 南京大学 | Analysis method of solid phase extraction coupling solid phase micro extraction |
| CN201555732U (en) * | 2009-10-19 | 2010-08-18 | 中国水产科学研究院东海水产研究所 | Solid phase microextraction sampling rod |
| CN105043845A (en) * | 2015-08-27 | 2015-11-11 | 力合科技（湖南）股份有限公司 | Solid-phase micro-extraction method and device |
| CN205280467U (en) * | 2015-12-31 | 2016-06-01 | 力合科技（湖南）股份有限公司 | Adsorb little extraction device of component and solid phase |
-
2015
- 2015-12-31 CN CN201511027177.1A patent/CN105424459B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5496741A (en) * | 1994-04-14 | 1996-03-05 | University Of Waterloo | Device and process for increasing analyte concentration in a sorbent |
| US6702951B2 (en) * | 2000-10-06 | 2004-03-09 | Robinson Laboratories, Inc. | Scent adsorbing liquid formulation |
| CN2840001Y (en) * | 2005-07-07 | 2006-11-22 | 中国科学院广州地球化学研究所 | Sediment gap water in-situ sampling device |
| CN1951577A (en) * | 2005-10-19 | 2007-04-25 | 中国科学院大连化学物理研究所 | Preparation method of solid phase micro-extraction coat layer |
| CN101455946A (en) * | 2008-12-29 | 2009-06-17 | 北京绿洲德瀚环境保护中心 | Solid-phase extraction membrane and preparation method thereof |
| CN201555732U (en) * | 2009-10-19 | 2010-08-18 | 中国水产科学研究院东海水产研究所 | Solid phase microextraction sampling rod |
| CN101782556A (en) * | 2009-12-31 | 2010-07-21 | 南京大学 | Analysis method of solid phase extraction coupling solid phase micro extraction |
| CN105043845A (en) * | 2015-08-27 | 2015-11-11 | 力合科技（湖南）股份有限公司 | Solid-phase micro-extraction method and device |
| CN205280467U (en) * | 2015-12-31 | 2016-06-01 | 力合科技（湖南）股份有限公司 | Adsorb little extraction device of component and solid phase |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105424459A (en) | 2016-03-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105424459B (en) | A kind of absorptive element and solid-phase micro-extracting device | |
| EP3611502B1 (en) | Sample pretreatment method for injection using a microextraction tube | |
| CN106182281A (en) | The collection system of VOC and method during a kind of heat_treated wood | |
| CN102297790B (en) | Device for collecting/sampling ammonia from atmosphere by utilizing chemical amplification and use method thereof | |
| CN104215712A (en) | Method for detecting carbendazol and thiabendazole residues in fruit and vegetable juice through liquid chromatogram | |
| CN103487534B (en) | Automatic single drop micro-extraction apparatus for trapping thermogravimetric escaping gas | |
| CN102507270B (en) | Thermogravimetric analyzer and Cambridge filter-absorption bottle combination apparatus and emergent gas gathering method | |
| CN105115785A (en) | Preparation method of sampling tube of dimethylamine and trimethylamine in air and waste gas | |
| CN104297021B (en) | Timed-stopping air sampler with long-term storage function | |
| CN104084034A (en) | Air purifying material for removing formaldehyde in air, as well as preparation method and using method of air purifying material | |
| CN103861572A (en) | Preparation method for solid-phase micro-extraction fiber bundle | |
| CN205280467U (en) | Adsorb little extraction device of component and solid phase | |
| CN104458999B (en) | Organic substance automatic analyzer | |
| CN109570174A (en) | A kind of chip glass degumming device and Degumming method | |
| CN108828155B (en) | Method for detecting nitrogen content of cotton plants | |
| CN203965395U (en) | A kind of hyperchannel micro-extraction and washing device | |
| CN206161642U (en) | Extraction and desorption device | |
| CN107255689A (en) | A kind of array dynamic scatter solid-phase extraction device and extracting process | |
| CN104713752B (en) | A kind of smoke gathering device evaluated for electronic cigarette flue gas biological effect and method | |
| CN1886645B (en) | Probe assembly | |
| CN104458939A (en) | Method for detecting camellia nitidissima chi oil type volatile ingredients | |
| CN203379635U (en) | Solid-phase microextraction device | |
| CN102688749B (en) | Extraction material and preparation method thereof, and device and extraction method used for solid-phase micro-extraction | |
| CN201837621U (en) | Simulation device for evaluating cigarette filter material | |
| CN204132682U (en) | A kind of bicycle-mounted moisture collecting bottle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |