CN206281689U - SPME handle - Google Patents
SPME handle Download PDFInfo
- Publication number
- CN206281689U CN206281689U CN201621234751.0U CN201621234751U CN206281689U CN 206281689 U CN206281689 U CN 206281689U CN 201621234751 U CN201621234751 U CN 201621234751U CN 206281689 U CN206281689 U CN 206281689U
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- Prior art keywords
- handle
- push rod
- card
- core
- metal sleeve
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Abstract
The utility model is related to a kind of SPME handle, including handle push rod, handle cylinder, metal sleeve and the extraction probe with stainless steel wire as backing material, it is characterised in that：The handle push rod and handle cylinder are equipped with locator card, and the handle push rod is connected with handle cylinder；The lower end of the handle cylinder is provided with the metal sleeve with sealing gasket and fixes support, and the metal sleeve is fixed support and is connected with the metal sleeve；The extraction probe sequentially passes through the metal sleeve, the sealing gasket and is connected with the handle push rod.The utility model is with low cost, easy to carry, durable in use, be easily changed.
Description
Technical field
The utility model is related to Sample Pretreatment Technique field, more particularly to SPME handle.
Background technology
During to the analysis of matrix complex sample, pre-treatment is essential step, but is located before traditional sample
Reason technology, such as liquid-liquid extraction, chromatography, distillation, Head space and solid phase extraction, with using machine quantity of solvent is big, time-consuming consumption
Power, easily make volatile component lose, easily to operator's health and environmental concerns the shortcomings of.In order to locate before overcoming traditional sample
The various shortcomings of reason technology, improve analysis efficiency, and researcher is developed with drop micro-extraction and SPME（Solid
Phase Microextraction, SPME）It is the novel sample pretreatment for representing.
Wherein SPME technologies integrate extraction, concentration, desorption, sample introduction, and can with gas-chromatography, gas-chromatography-
The analytical instrument such as mass spectrum, high performance liquid chromatography, HPCE are directly combined, with easy quick, economic security, without molten
Agent, many advantages, such as sensitivity is high, selection type is good, required sample size is few, therefore have broad application prospects.So far,
SPME is widely used in the fields such as environment, food, forensic chemistry identification, by selecting suitable coating material and extraction mould
Formula, can be to various mesh such as the environmental contaminants in complex sample matrix, food additives, poisonous substance, drugs and Explosive Residues
Mark analyte is extracted and separated, and substantially increases the speed of analysis detection.
At present, SPME researchs are concentrated mainly on the exploitation to extracting coating and optimization aspect, but as extraction probe control
Extraction handle with support carrier has a very important role during SPME, main in China market according to preliminary investigation
Sell the SPME handle produced by Supelco companies of the U.S., its not only price it is somewhat expensive, and the handle uses
Supelco companies produce special extraction probe, it is impossible to conveniently install the extraction probe of other species, thus greatly limit SPME
Extensive use of the technology during actual analysis.
The utilization rate of handle is extracted to improve, facilitated scientific research technical staff using various types of extraction probes, entered one
Walk the exposed area to extraction coating in extraction process and the in the sample regulation and control of position and reduce SPME costs, need one kind badly
The SPME handle of extraction probe that is with low cost, easy to carry, durable in use, being easily changed, is further to expand
The extensive use of SPME technologies provides technical support.
Utility model content
Technical problem to be solved in the utility model be to provide it is a kind of it is with low cost, easy to carry, durable in use, be easy to
The SPME handle of replacing.
To solve the above problems, SPME handle described in the utility model, including handle push rod, handle cylinder, gold
Category sleeve pipe and the extraction probe with stainless steel wire as backing material, it is characterised in that：The handle push rod and handle cylinder are
Locator card is provided with, the handle push rod is connected with handle cylinder；The lower end of the handle cylinder is provided with the metal sleeve with sealing gasket and fixes
Support, the metal sleeve is fixed support and is connected with the metal sleeve；The extraction probe sequentially passes through the metal sleeve, described close
Packing is connected with the handle push rod.
The locator card includes that the inner side that is linked together by fixing pin, pin is stained with the upper card of rubber blanket I and interior
Side is stained with the lower card of rubber blanket II；The inner side of the upper card and the lower card is curved；The pin is by upper bail pin with
Bail pin bank into；The upper bail pin is connected by the fixing pin with the lower bail pin.
The handle cylinder is made up of the top half and the latter half that are docking together by screw thread I, in the top half
It is provided with graduation mark.
The handle push rod is connected with handle cylinder by rubber neck I.
The extraction probe sequentially passes through the metal sleeve, the sealing gasket and passes through extraction probe immobilising device and institute
Handle push rod is stated to be connected.
The extraction probe immobilising device includes body；The body is provided with push rod rubber neck fixing groove I, its end
It is provided with threaded II the core of the card I；The draw-in groove of the matching of the core of the card I socket threaded III；The extraction probe sequentially passes through described
Draw-in groove, the core of the card I；The push rod rubber neck fixing groove I is embedded with rubber neck I.
The extraction probe immobilising device includes body；The body is provided with push rod rubber neck fixing groove II, spring
Retaining groove, the core of the card fixing groove, its end is provided with the core of the card II；The core of the card II sequentially passes through card cap, spring with the core of the card fixing groove
It is connected；The extraction probe passes through the core of the card II；The push rod rubber neck fixing groove II is embedded with rubber neck I.
The handle push rod is provided with push rod graticule I.
The handle push rod includes outer push rod and the inner push-rod through the outer push rod；One end of the outer push rod is provided with fixed
Position knob I, its inwall is provided with screw thread IV, which is provided with outer push rod scale, and its other end is provided with rubber neck draw-in groove；The rubber
Collar draw-in groove is provided with the rubber neck II with push rod graticule II；One end of the inner push-rod is provided with positioning knob II, its outer wall
Screw thread V is provided with, inner push-rod graticule is respectively equipped with thereon, its other end is provided with the core of the card III；The core of the card III sequentially passes through snap ring gear
Groove, stainless steel retainer ring；The outer push rod is provided with rubber blanket with the inner push-rod joint；The extraction probe passes through the metal
Sleeve pipe, the sealing gasket, the core of the card III are connected with the handle push rod.
The utility model has advantages below compared with prior art：
1st, the utility model handle push rod is provided with extraction probe immobilising device, conveniently replaced extraction probe.
2nd, handle push rod and handle cylinder are respectively equipped with the locator card being easily installed in the utility model, and extraction probe can be applied
Layer length and extraction probe position in the sample are continuously adjusted and are fixed.
3rd, the utility model can be carried out effectively to stainless steel wire and silicon oxide fibre etc. as the doughnut of backing material
It is fixed, with good compatibility.
4th, locator card inner side is stained with rubber blanket in the utility model, it is possible to increase between locator card and handle push rod and handle cylinder
Friction, so as to can coordinate come effective fixed handle by with the device such as iron stand.
5th, the locator card inner side in the utility model is circle, can fixed cylinder shape handle push rod and handle tin very well.
6th, there is scale on the utility model handle cylinder surface, and can observe extraction probe with reference to push rod graticule stretches out metal sleeve
Length.
7th, the utility model is with low cost, easy to carry, durable in use.
Brief description of the drawings
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the overall structure diagram of locator card in the utility model.
Fig. 3 is the structural representation blocked on locator card in the utility model.
Fig. 4 is the structural representation blocked under locator card in the utility model.
Fig. 5 is the structural representation of extraction handle cylinder in the utility model.
Fig. 6 is the structural representation of extraction probe immobilising device in the utility model.
Fig. 7 is the extraction probe structural representation in the utility model with stainless steel wire as backing material.
Fig. 8 is another structural representation of the present utility model.
Fig. 9 is the structural representation of another extraction probe immobilising device in the utility model.
Figure 10 is the third structural representation of the present utility model.
Figure 11 is the structural representation of handle push rod in the utility model.
In figure：1-handle push rod；101-outer push rod；111-positioning knob I；112-screw thread IV；113-outer push rod is carved
Degree；114-rubber neck draw-in groove；102-inner push-rod；121-positioning knob II；122-rubber blanket；123-inner push-rod graticule；
124-screw thread V；125-stainless steel retainer ring；126-snap ring retaining groove；127-the core of the card III；2-locator card；21-fixing pin；
22-pin；221-upper bail pin；222-lower bail pin；23-upper card；24-lower card；25-rubber blanket I；26-rubber blanket
Ⅱ；3-handle cylinder；31-top half；32-the latter half；4-extraction probe；5-graduation mark；6-rubber neck I；7—
Push rod graticule I；8-extraction probe immobilising device；81-push rod rubber neck fixing groove I；82-screw thread II；83-the core of the card I；
84-screw thread III；811-push rod rubber neck fixing groove II；821-spring retaining groove；831-the core of the card fixing groove；861-the core of the card
Ⅱ；851-card cap；841-spring；9-metal sleeve fixes support；10-sealing gasket；11-metal sleeve.
Specific embodiment
Embodiment 1 as shown in Fig. 1 ~ 7, SPME handle, including handle push rod 1, handle cylinder 3, metal sleeve 11
With the extraction probe 4 with stainless steel wire as backing material.
Handle push rod 1 and handle cylinder 3 are equipped with locator card 2, and the handle push rod 1 passes through the phase of rubber neck I 6 with handle cylinder 3
Even；The lower end of handle cylinder 3 is provided with the metal sleeve with sealing gasket 10 and fixes support 9, and the metal sleeve fixes support 9 and metal sleeve 11
It is connected；Extraction probe 4 sequentially passes through metal sleeve 11, sealing gasket 10 by extraction probe immobilising device 8 and the phase of handle push rod 1
Even.
Wherein：
Locator card 2 includes that the inner side linked together by fixing pin 21, pin 22 is stained with the upper card 23 of rubber blanket I 25
With the lower card 24 that inner side is stained with rubber blanket II 26；The inner side of upper card 23 and lower card 24 is curved；Pin 22 is by upper bail pin 221
Constituted with lower bail pin 222；Upper bail pin 221 is connected by fixing pin 21 with lower bail pin 222.
Handle cylinder 3 is made up of the top half 31 being docking together by screw thread I and the latter half 32, the top half 31
It is provided with graduation mark 5.
Extraction probe immobilising device 8 includes body；Body is provided with push rod rubber neck fixing groove I 81, and its end is provided with
Threaded II 82 the core of the card I 83；The draw-in groove of the matching of the core of the card I 83 socket threaded III 84；Extraction probe 4 sequentially passes through draw-in groove, card
Core I 83；Push rod rubber neck fixing groove I 81 is embedded with rubber neck I 6.
Handle push rod 1 is provided with push rod graticule I 7.
Application method of the present utility model is as follows：
(1) handle push rod 1 is taken out, by the insertion push rod rubber neck of rubber neck I 6 fixing groove 81；Sealing gasket 10 is loaded
In metallic sheath conduit saddle 9.
(2) the never cated one end of extraction probe 4 is passed through into metal sleeve 11, inserted through metal sleeve 11, sealing gasket 10
3 the latter half 32 of handle cylinder；Extraction probe 4 is inserted into the core of the card 83 again, insertion depth is adjusted, push rod graticule I 7 is located at graduation mark
When at 50 scale, metal sleeve 11 is not just exposed in the coating front end of extraction probe 4, tightens draw-in groove, and extraction probe 4 is fixed on
On handle push rod 1.
(3) 3 the latter half 32 of handle cylinder are connected by screw thread I with top half 31, according to actual needs, hand will be extracted
Handle is fixed on suitable metallic support, during extraction probe 4 stretched into actual sample by handle push rod 1, using push rod graticule I
7 and graduation mark 5 observe extraction probe 4 actual exposed length, after respectively handle push rod 1 and handle cylinder 3 correct position peace
Dress locator card 2, identical coated length and present position are kept for fixed extractor probe 4 in each extraction process.Extraction
After the completion of, extraction probe 4 is fully retracted in metal sleeve 11 by handle push rod 1, metal sleeve 11 is inserted into gas-chromatography
In vaporizer, extraction probe 4 is released, after the completion for the treatment of target analytes Thermal desorption, then by the retraction metal sleeve 11 of extraction probe 4,
Extraction handle is extracted, sample introduction is completed.
Embodiment 2 as shown in Fig. 2 ~ 5, Fig. 7 ~ 9, SPME handle, including handle push rod 1, handle cylinder 3, metal
Sleeve pipe 11 and the extraction probe with stainless steel wire as backing material 4.
Handle push rod 1 and handle cylinder 3 are equipped with locator card 2, and the handle push rod 1 passes through the phase of rubber neck I 6 with handle cylinder 3
Even；The lower end of handle cylinder 3 is provided with the metal sleeve with sealing gasket 10 and fixes support 9, and the metal sleeve fixes support 9 and metal sleeve 11
It is connected；Extraction probe 4 sequentially passes through metal sleeve 11, sealing gasket 10 by extraction probe immobilising device 8 and the phase of handle push rod 1
Even.
Wherein：
Locator card 2 includes that the inner side linked together by fixing pin 21, pin 22 is stained with the upper card 23 of rubber blanket I 25
With the lower card 24 that inner side is stained with rubber blanket II 26；The inner side of upper card 23 and lower card 24 is curved；Pin 22 is by upper bail pin 221
Constituted with lower bail pin 222；Upper bail pin 221 is connected by fixing pin 21 with lower bail pin 222.
Handle cylinder 3 is made up of the top half 31 being docking together by screw thread I and the latter half 32, the top half 31
It is provided with graduation mark 5.
Extraction probe immobilising device 8 includes body；Body is provided with push rod rubber neck fixing groove II 811, spring retaining groove
821st, the core of the card fixing groove 831, its end is provided with the core of the card II 861；The core of the card II 861 sequentially passes through card cap 851, spring 841 and the core of the card
Fixing groove 831 is connected；Extraction probe 4 passes through the core of the card II 861；Push rod rubber neck fixing groove II 811 is embedded with rubber neck I 6.
Handle push rod 1 is provided with push rod graticule I 7.
Application method of the present utility model is as follows：
(1) extraction push rod 1 is taken out, spring 841, card cap 851 and the core of the card II 861 are arranged on handle push rod 1 successively, used
Power is by the insertion of the core of the card II 861 the core of the card fixing groove 831, then handle push rod 1 is loaded into handle 3 top halfs 31 of cylinder, after by rubber
The collar I 6 is inserted in push rod rubber neck fixing groove II 811, and handle push rod 1 finally is fixed on into handle cylinder by rubber neck I 6
In 3 top halfs 31.
(2) the never cated one end of extraction probe 4 is passed through into metal sleeve 11, inserted through metal sleeve 11, sealing gasket 10
3 the latter half 32 of handle cylinder；The card cap 851 of extraction probe immobilising device 8 is touched backward, will after the core of the card II 861 opens completely
The insertion the core of the card II 861 of extraction probe 4 of appropriate length, now push rod graticule I 7 is at 0 scale of graduation mark 5, and extraction is visited
Metal sleeve 11 is not exposed in first 4 coating front end just, unclamps card cap 851, and extraction probe 4 is fixed on handle push rod 1.
(3) 3 the latter half 32 of handle cylinder are connected by screw thread I with top half 31, according to actual needs, hand will be extracted
Handle is fixed on suitable metallic support, during extraction probe 4 stretched into actual sample by handle push rod 1, using push rod graticule I
7 and graduation mark 5 observe extraction probe 4 actual exposed length, after respectively handle push rod 1 and handle cylinder 3 correct position peace
Dress locator card 2, identical coated length and present position are kept for fixed extractor probe 4 in each extraction process.Extraction
After the completion of, extraction probe 4 is fully retracted in metal sleeve 11 by handle push rod 1, metal sleeve 11 is inserted into gas-chromatography
In vaporizer, extraction probe 4 is released, after the completion for the treatment of target analytes Thermal desorption, then by the retraction metal sleeve 11 of extraction probe 4,
Extraction handle is extracted, sample introduction is completed.
Embodiment 3 as shown in Fig. 2 ~ 5, Fig. 7, Figure 10 ~ 11, SPME handle, including handle push rod 1, handle cylinder
3rd, metal sleeve 11 and the extraction probe with stainless steel wire as backing material 4.
Handle push rod 1 and handle cylinder 3 are equipped with locator card 2, and the handle push rod 1 is connected with handle cylinder 3；Under handle cylinder 3
End is provided with the metal sleeve with sealing gasket 10 and fixes support 9, and the metal sleeve is fixed support 9 and is connected with metal sleeve 11；Extraction probe 4
Metal sleeve 11, sealing gasket 10 is sequentially passed through to be connected with handle push rod 1.
Wherein：
Locator card 2 includes that the inner side linked together by fixing pin 21, pin 22 is stained with the upper card 23 of rubber blanket I 25
With the lower card 24 that inner side is stained with rubber blanket II 26；The inner side of upper card 23 and lower card 24 is curved；Pin 22 is by upper bail pin 221
Constituted with lower bail pin 222；Upper bail pin 221 is connected by fixing pin 21 with lower bail pin 222.
Handle cylinder 3 is made up of the top half 31 being docking together by screw thread I and the latter half 32, the top half 31
It is provided with graduation mark 5.
Handle push rod 1 includes outer push rod 101 and the inner push-rod 102 through outer push rod 101；One end of outer push rod 101 is provided with
Positioning knob I 111, its inwall is provided with screw thread IV 112, which is provided with outer push rod scale 113, and its other end is provided with rubber neck card
Groove 114；Rubber neck draw-in groove 114 is provided with the rubber neck II with push rod graticule II；One end of inner push-rod 102 is provided with positioning rotation
Button II 121, its outer wall is provided with screw thread V 124, and inner push-rod graticule 123 is respectively equipped with thereon, and its other end is provided with the core of the card III 127；
The core of the card III 127 sequentially passes through snap ring retaining groove 126, stainless steel retainer ring 125；Outer push rod 101 is provided with rubber with the joint of inner push-rod 102
Pad 122；Extraction probe 4 is connected through metal sleeve 11, sealing gasket 10, the core of the card III 127 with handle push rod 1.
Application method of the present utility model is as follows：
(1) back out positioning knob I 111 and remove rubber blanket 122 in knob；Handle cylinder 3 is turned on, handle push rod 1 is taken out, will
Inner push-rod 102 is back-outed from outer push rod 101；The never coating at one end of extraction probe 4 is passed through into the sealed pad 10 of metal sleeve 11
Load 3 the latter half 32 of handle cylinder；Extraction probe 4 is inserted into the core of the card III 127, insertion depth is adjusted, makes the coated ends of extraction probe 4
" 0 " position of push rod graticule II just at push rod scale when just metal sleeve 11 is not exposed in the state of extraction handle is installed
Place is put, stainless steel retainer ring 125 is pushed into the middle of snap ring retaining groove 126 and the core of the card III 127, so as to extraction probe 4 is fixed on into handle
On push rod 1.
(2) the handle push rod 1 that extraction probe 4 will be fixed loads handle 3 top halfs 31 of cylinder, by the upper and lower two parts of handle
Tighten, be screwed on handle push rod 1 after rubber blanket 122 is embedded in positioning knob I 111.
(3) according to actual needs, length is stretched out using what inner push-rod graticule 123 and outer push rod scale 113 determined extraction probe 4
Degree, the position when extraction probe 4 is fully retracted metal sleeve 11 is determined using push rod graticule II and handle 3 graduation marks 5 of cylinder；Will
Extraction handle is fixed on suitable metallic support, during extraction probe 4 stretched into actual sample by handle push rod 1, with positioning
3 positions of the mark extraction handle cylinder of card 2, after the completion of extraction, the position of previous demarcation are evacuated to so that extraction is visited by push rod graticule II
First 4 are fully retracted metal sleeve 11, then metal sleeve 11 inserted into gas-chromatography vaporizer, release extraction probe 4, treat target
After the completion of analyte Thermal desorption, push rod graticule II is evacuated to previous calibration position again, extracts extraction handle, complete sample introduction.
Claims (9)
1. SPME handle, including handle push rod（1）, handle cylinder（3）, metal sleeve（11）With with stainless steel wire be support
The extraction probe of material（4）, it is characterised in that：The handle push rod（1）With handle cylinder（3）It is equipped with locator card（2）, should
Handle push rod（1）With handle cylinder（3）It is connected；The handle cylinder（3）Lower end be provided with band sealing gasket（10）Metal sleeve fix
Support（9）, metal sleeve fixation support（9）With the metal sleeve（11）It is connected；The extraction probe（4）Sequentially pass through the gold
Category sleeve pipe（11）, the sealing gasket（10）With the handle push rod（1）It is connected.
2. SPME handle as claimed in claim 1, it is characterised in that：The locator card（2）Including by steady pin
Nail（21）, pin（22）The inner side for linking together is stained with rubber blanket I（25）Upper card（23）Rubber blanket II is stained with inner side
（26）Lower card（24）；The upper card（23）With the lower card（24）Inner side it is curved；The pin（22）By upper bail
Pin（221）With lower bail pin（222）Composition；The upper bail pin（221）By the fixing pin（21）With the lower bail
Pin（222）It is connected.
3. SPME handle as claimed in claim 1, it is characterised in that：The handle cylinder（3）Docked by by screw thread I
Top half together（31）And the latter half（32）Composition, the top half（31）It is provided with graduation mark（5）.
4. SPME handle as claimed in claim 1, it is characterised in that：The handle push rod（1）With handle cylinder
（3）By rubber neck I（6）It is connected.
5. SPME handle as claimed in claim 1, it is characterised in that：The extraction probe（4）Sequentially pass through described
Metal sleeve（11）, the sealing gasket（10）And by extraction probe immobilising device（8）With the handle push rod（1）It is connected.
6. SPME handle as claimed in claim 5, it is characterised in that：The extraction probe immobilising device（8）Including
Body；The body is provided with push rod rubber neck fixing groove I（81）, its end is provided with threaded II（82）The core of the card I（83）；
The core of the card I（83）Matching socket threaded III（84）Draw-in groove；The extraction probe（4）Sequentially pass through the draw-in groove, described
The core of the card I（83）；The push rod rubber neck fixing groove I（81）It is embedded with rubber neck I（6）.
7. SPME handle as claimed in claim 5, it is characterised in that：The extraction probe immobilising device（8）Including
Body；The body is provided with push rod rubber neck fixing groove II（811）, spring retaining groove（821）, the core of the card fixing groove（831）, its
End is provided with the core of the card II（861）；The core of the card II（861）Sequentially pass through card cap（851）, spring（841）Fixed with the core of the card
Groove（831）It is connected；The extraction probe（4）Through the core of the card II（861）；The push rod rubber neck fixing groove II（811）
It is embedded with rubber neck I（6）.
8. SPME handle as claimed in claim 1, it is characterised in that：The handle push rod（1）It is provided with push rod mark
Line I（7）.
9. SPME handle as claimed in claim 1, it is characterised in that：The handle push rod（1）Including outer push rod
（101）With through the outer push rod（101）Inner push-rod（102）；The outer push rod（101）One end be provided with positioning knob I
（111）, its inwall is provided with screw thread IV（112）, which is provided with outer push rod scale（113）, its other end is provided with rubber neck draw-in groove
（114）；The rubber neck draw-in groove（114）It is provided with the rubber neck II with push rod graticule II；The inner push-rod（102）One
End is provided with positioning knob II（121）, its outer wall is provided with screw thread V（124）, inner push-rod graticule is respectively equipped with thereon（123）, its is another
One end is provided with the core of the card III（127）；The core of the card III（127）Sequentially pass through snap ring retaining groove（126）, stainless steel retainer ring（125）；It is described
Outer push rod（101）With the inner push-rod（102）Joint is provided with rubber blanket（122）；The extraction probe（4）Through the metal
Sleeve pipe（11）, the sealing gasket（10）, the core of the card III（127）With the handle push rod（1）It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621234751.0U CN206281689U (en) | 2016-11-17 | 2016-11-17 | SPME handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621234751.0U CN206281689U (en) | 2016-11-17 | 2016-11-17 | SPME handle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206281689U true CN206281689U (en) | 2017-06-27 |
Family
ID=59082471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621234751.0U Expired - Fee Related CN206281689U (en) | 2016-11-17 | 2016-11-17 | SPME handle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206281689U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108072551A (en) * | 2016-11-17 | 2018-05-25 | 甘肃政法学院 | Solid phase microextraction handle |
-
2016
- 2016-11-17 CN CN201621234751.0U patent/CN206281689U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108072551A (en) * | 2016-11-17 | 2018-05-25 | 甘肃政法学院 | Solid phase microextraction handle |
| CN108072551B (en) * | 2016-11-17 | 2024-03-26 | 甘肃政法学院 | Solid phase microextraction handle |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170627 Termination date: 20171117 |
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| CF01 | Termination of patent right due to non-payment of annual fee |