CN203178126U - Multifunctional pin type filter - Google Patents
Multifunctional pin type filter Download PDFInfo
- Publication number
- CN203178126U CN203178126U CN 201320068334 CN201320068334U CN203178126U CN 203178126 U CN203178126 U CN 203178126U CN 201320068334 CN201320068334 CN 201320068334 CN 201320068334 U CN201320068334 U CN 201320068334U CN 203178126 U CN203178126 U CN 203178126U
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- CN
- China
- Prior art keywords
- pin type
- miillpore filter
- type filtrator
- filtrator
- micron
- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a multifunctional pin type filter, which includes a microfiltration membrane a, a purification and absorption layer and a microfiltration membrane b sequentially overlaid, wherein the pore diameter of the microfiltration membrane a is 0.2 micron to 1.0 micron, the weight of a filling material at the purification and absorption layer is 10 mg to 500 mg, and the pore diameter of the microfiltration membrane b is 0.2 micron to 1.0 micron. The multifunctional pin type filter has the benefits of ingenious structure design, convenience in use, simplified experiment operation steps, significantly improved work efficiency and capability of completely meeting demand for pretreatment of a sample.
Description
Technical field
The utility model relates to a kind of laboratory consumptive material, is specifically related to a kind of multifunctional needle type filtrator.
Background technology
In the world, annual a large amount of food, agricultural product, commodity, environmental sample etc. all need to carry out the analysis of various chemical substances such as agricultural chemicals, veterinary drug, additive, environmental contaminants, synthetic food color, surfactant, relate to mostly purifying and operation such as filtration when carrying out sample pre-treatments.Wherein purification process has partly adopted relatively easy dispersion solid phase extraction techniques, at first uses the various interference components in the adsorbent removal component.Then, purified solution is by further analyzing and testing again behind the pin type filtrator.Therefore the pin type filtrator is the requisite a kind of common experimental consumptive material in laboratory at present, and it can remove the large-size particles pollutant, improves clean-up effect, and the protection instrument also improves precision of analysis and repeatability.For example the QuEchERS method is a kind of quick, convenient, cheap analytical approach, can realize high-quality agricultural and veterinary chemicals multi-residue analysis, comprising using N-propyl group ethylenediamine adsorbents such as (PSA) to purify the pin type filtrator of crossing 0.22 μ m or 0.45 μ m aperture with leaching liquor.Yet, when the mass disposal sample, need take by weighing various types of adsorbents respectively mixes with leaching liquor, reach the purpose of purification with absorption relevant interference thing, further draw leaching liquor then and remove particle by the pin type filtrator, avoid analytical instrument to stop up simultaneously to improve the sample purification effect, the rapid operation of these multisteps significantly increases the sample pre-treatments workload, has brought great inconvenience to the experimenter.
The utility model content
The utility model provides a kind of multifunctional needle type filtrator in order to promote the practicality of prior art and product.
A kind of multifunctional needle type filtrator provided by the utility model, it comprises miillpore filter a, purification adsorbed layer and the miillpore filter b of stack successively.
In the above-mentioned pin type filtrator, the aperture of described miillpore filter a can be 0.2 μ m ~ 1.0 μ m, and the weight of the inserts of described purification adsorbed layer can be 10mg ~ 500mg, and the aperture of described miillpore filter b can be 0.2 μ m ~ 1.0 μ m.
In the above-mentioned pin type filtrator, described pin type filtrator can be sheathed in the tube chamber of syringe, at leaching liquor more for a long time, can earlier leaching liquor be injected in the syringe, then under impetus, leaching liquor flow through successively described miillpore filter a, purify adsorbed layer and miillpore filter b, finally obtain through purifying and filtered liquid.
In the above-mentioned pin type filtrator, the volume of described syringe can be all sizes such as 1mL ~ 10mL.
In the above-mentioned pin type filtrator, described miillpore filter a is connected with a feed tube, described miillpore filter b is connected with a drain pipe, when the leaching liquor of getting more after a little while, or leaching liquor is contained in the vessel that are difficult for directly pipetting, use this kind filtrator more convenient, re-use this pin type filtrator after need drawing with devices such as syringes during use.
In the above-mentioned pin type filtrator, described purification adsorbed layer is made up of purifying adsorbent;
Described purifying adsorbent can be selected from least a in graphitized carbon, florisil silica, aluminium oxide, magnesium silicate, magnesium sulphate, benzene alkene polymer, silica gel and the chemical modification object thereof, and described chemical modification silica gel can be amino silica gel of C18 silica gel, C8 silica gel, N-propyl group ethylenediamine silica gel, amino silica gel, ethyl silica gel, phenyl silica gel, cyano group silica gel, benzene sulfonic acid base silica gel or season etc.
In the above-mentioned pin type filtrator, the material of described miillpore filter a and miillpore filter b all can be selected from least a in cellulose, polyamide, polysulfones, nylon, fluorine material, polyolefin, polycarbonate and the polyester etc.
In the above-mentioned pin type filtrator, the diameter of described miillpore filter a and miillpore filter b all can be 6mm ~ 25mm.
The beneficial effects of the utility model are: this Multifunction pin type filtrator, structural design is ingenious, and is easy to use, simplified the experimental implementation step, significantly improved work efficiency, can fully satisfy the demand of sample pre-treatments work.
Description of drawings
A kind of pin type structure of filter synoptic diagram that Fig. 1 provides for the utility model.
The another kind of pin type structure of filter synoptic diagram that Fig. 2 provides for the utility model.
Each mark is as follows among the figure: 1 miillpore filter a, 2 purifies adsorbed layer, 3 miillpore filter b, 4 syringes, 5 feed tubes, 6 drain pipes.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further, but the utility model is not limited to following examples.
As shown in Figure 1, a kind of multifunctional needle type filtrator that the utility model provides comprises miillpore filter a1, purification adsorbed layer 2 and the miillpore filter b3 of stack successively, wherein, the aperture of miillpore filter a1 is 0.45 μ m, the weight that purifies the inserts of adsorbed layer 2 is 100mg, and the aperture of miillpore filter b3 is 0.45 μ m; And the miillpore filter a1 after the stack, purification adsorbed layer 2 and miillpore filter b3 are sheathed in the tube chamber of a syringe 4, and this syringe 4 can be all size of 1mL ~ 10mL, and the filtrator of this kind structure can be fit to the many leaching liquors of filtration yield; In this pin type filtrator, miillpore filter a1 and miillpore filter b3 all can be selected from cellulose, polyamide, polysulfones, nylon, fluorine material, polyolefin, polycarbonate and polyester etc., and diameter is all sizes such as 6mm ~ 25mm; Purify adsorbed layer 2 by the purifying adsorbent group, as be selected from graphitized carbon, florisil silica, aluminium oxide, magnesium silicate, magnesium sulphate, benzene alkene polymer, and silica gel and chemical modification object thereof (comprising the silica gel that C18, C8, N-propyl group ethylenediamine, amino, ethyl, phenyl, cyano group, benzene sulfonic acid base, season amino etc. is modified).
In the above-mentioned filtrator, the aperture of the aperture of miillpore filter a1 and miillpore filter b3 all can be selected in the scope of 0.2 μ m ~ 1.0 μ m; The weight that purifies the inserts of adsorbed layer 2 can be selected in the scope of 10mg ~ 500mg.
As shown in Figure 2, the another kind of multifunctional needle type filtrator that the utility model provides comprises the miillpore filter a1 that also comprises successively stack, purifies adsorbed layer 2 and miillpore filter b3, wherein miillpore filter a1, the diameter and the material that purify adsorbed layer 2 and miillpore filter b3 select all with the pin type filtrator shown in Fig. 1 in identical; And miillpore filter a1 is connected with a feed tube 5, and leaching liquor can enter in this filtrator from this feed tube 5, and miillpore filter b3 is connected with a drain pipe 6, and the leaching liquor after purifying and filtering flows out from this drain pipe 6.
Claims (6)
1. multifunctional needle type filtrator is characterized in that: described pin type filtrator comprise stack successively miillpore filter a, purify adsorbed layer and miillpore filter b.
2. pin type filtrator according to claim 1, it is characterized in that: the aperture of described miillpore filter a is 0.2 μ m～1.0 μ m, and the weight of the inserts of described purification adsorbed layer is 10mg～500mg, the aperture of described miillpore filter b is 0.2 μ m～1.0 μ m.
3. pin type filtrator according to claim 2, it is characterized in that: described pin type filtrator is sheathed in the tube chamber of syringe.
4. pin type filtrator according to claim 3, it is characterized in that: the volume of described syringe is 1mL～10mL.
5. pin type filtrator according to claim 2, it is characterized in that: described miillpore filter a is connected with a feed tube, and described miillpore filter b is connected with a drain pipe.
6. pin type filtrator according to claim 5, it is characterized in that: the diameter of described miillpore filter a and miillpore filter b is 6mm～25mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320068334 CN203178126U (en) | 2012-11-13 | 2013-02-06 | Multifunctional pin type filter |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220597132.3 | 2012-11-13 | ||
| CN201220597132 | 2012-11-13 | ||
| CN 201320068334 CN203178126U (en) | 2012-11-13 | 2013-02-06 | Multifunctional pin type filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203178126U true CN203178126U (en) | 2013-09-04 |
Family
ID=48203994
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100473763A Pending CN103091150A (en) | 2012-11-13 | 2013-02-06 | Multifunctional needle type filter |
| CN 201320068334 Expired - Lifetime CN203178126U (en) | 2012-11-13 | 2013-02-06 | Multifunctional pin type filter |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100473763A Pending CN103091150A (en) | 2012-11-13 | 2013-02-06 | Multifunctional needle type filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN103091150A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103091150A (en) * | 2012-11-13 | 2013-05-08 | 中国农业科学院农业质量标准与检测技术研究所 | Multifunctional needle type filter |
| CN105498290A (en) * | 2015-12-23 | 2016-04-20 | 中国科学院地球化学研究所 | Separation device for polycyclic aromatic hydrocarbon solid-liquid suspension system and separation method |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103638742A (en) * | 2013-12-06 | 2014-03-19 | 中国农业科学院农产品加工研究所 | Filtration and purification integrated filter, device and filtration and purification integrated method |
| CN113680129A (en) * | 2021-08-10 | 2021-11-23 | 安徽农业大学 | Extracting solution purification method based on pesticide residue detection in tea and needle type filter |
| CN114534522B (en) * | 2022-01-26 | 2022-10-28 | 中国科学院兰州化学物理研究所 | Preparation and application of boron nitride polymer coating microporous filter membrane |
| CN115569435A (en) * | 2022-09-29 | 2023-01-06 | 生态环境部淮河流域生态环境监督管理局生态环境监测与科学研究中心 | Portable water sample filter |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201016898Y (en) * | 2007-03-05 | 2008-02-06 | 北京城市排水集团有限责任公司 | Sewage water detecting sample pretreatment column |
| US7999084B2 (en) * | 2007-05-16 | 2011-08-16 | Agilent Technologies, Inc. | Devices and methods for reducing matrix effects |
| EP2062978A1 (en) * | 2007-11-23 | 2009-05-27 | Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO | System for detecting microbial contamination |
| CN201903472U (en) * | 2010-12-02 | 2011-07-20 | 天津出入境检验检疫局动植物与食品检测中心 | Pretreatment reagent kit for dinitroaniline herbicide residues in fruit and vegetables |
| CN202166633U (en) * | 2011-02-24 | 2012-03-14 | 苏州出入境检验检疫局检验检疫综合技术中心 | Polyamide solid phase extraction cartridge |
| CN202223672U (en) * | 2011-09-15 | 2012-05-23 | 刘�英 | Filter type syringe |
| CN103091150A (en) * | 2012-11-13 | 2013-05-08 | 中国农业科学院农业质量标准与检测技术研究所 | Multifunctional needle type filter |
-
2013
- 2013-02-06 CN CN2013100473763A patent/CN103091150A/en active Pending
- 2013-02-06 CN CN 201320068334 patent/CN203178126U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103091150A (en) * | 2012-11-13 | 2013-05-08 | 中国农业科学院农业质量标准与检测技术研究所 | Multifunctional needle type filter |
| CN105498290A (en) * | 2015-12-23 | 2016-04-20 | 中国科学院地球化学研究所 | Separation device for polycyclic aromatic hydrocarbon solid-liquid suspension system and separation method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103091150A (en) | 2013-05-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130904 |
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| CX01 | Expiry of patent term |