CN105817052A - Liquid-liquid microextraction oscillation device - Google Patents
Liquid-liquid microextraction oscillation device Download PDFInfo
- Publication number
- CN105817052A CN105817052A CN201610214560.6A CN201610214560A CN105817052A CN 105817052 A CN105817052 A CN 105817052A CN 201610214560 A CN201610214560 A CN 201610214560A CN 105817052 A CN105817052 A CN 105817052A
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- China
- Prior art keywords
- liquid
- extracting tube
- extraction
- chassis
- pallet
- Prior art date
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- 230000010355 oscillation Effects 0.000 title claims abstract description 34
- 239000007788 liquid Substances 0.000 title claims abstract description 17
- 238000004853 microextraction Methods 0.000 title claims abstract description 17
- 238000000605 extraction Methods 0.000 claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 21
- 238000000034 method Methods 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000000622 liquid--liquid extraction Methods 0.000 description 3
- 150000002894 organic compounds Chemical class 0.000 description 3
- 238000000638 solvent extraction Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 230000003534 oscillatory effect Effects 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000357 carcinogen Toxicity 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012864 cross contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000008821 health effect Effects 0.000 description 1
- 231100000086 high toxicity Toxicity 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000002917 insecticide Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 206010025482 malaise Diseases 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000002703 mutagenesis Methods 0.000 description 1
- 231100000350 mutagenesis Toxicity 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 150000003071 polychlorinated biphenyls Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
- B01D11/0419—Solvent extraction of solutions which are liquid in combination with an electric or magnetic field or with vibrations
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/26—Treatment of water, waste water, or sewage by extraction
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Devices For Use In Laboratory Experiments (AREA)
Abstract
The invention relates to a liquid-liquid microextraction oscillation device which comprises a motor as well as a controller (1), a connector (2), a tray (3) and more than two extraction tube brackets (6). More than two groups of grooves (16) are arranged on a tray vertical plate (12) of the tray (3), and one group of grooves (16) is used for buckling one extraction tube bracket (6) onto the tray vertical plate (12); each of the extraction tube brackets (6) is connected together through transverse fixing rods (7); one extraction tube bracket (6) comprises a base plate (13), a fixed plate (14), rubber mats (8) and a cover board (9), wherein the size of the base plate (13) is matched with the grooves (16), the fixed plate is fixed on the base plate (13), and both the base plate (13) and the fixed plate (14) are provided with corresponding coaxial and concentric round holes. The liquid-liquid microextraction oscillation device has the advantages that the manufacture and the operation are simple, the cost is low, a large number of samples can be processed at the same time, and the efficiency is high.
Description
Technical field
The present invention relates to a kind of liquid-liquid micro-extraction oscillation device.
Background technology
The pollution of water body is on the rise by organic compound in recent years, and its level of pollution increasingly comes into one's own with health effect research.1977 American National Environmental Protection Agency (USEPA) according to the toxicity of organic pollution, biodegradable probability and the factor such as probability occurred in water body, the pollutant of 65 129 kinds of priority acccess control of class are filtered out from 70,000 kinds of organic compound, wherein organic compound 114 kinds, account for the 88.4% of sum, including 21 kinds of insecticides, 26 kinds of halogenated aliphatic hydrocarbons, 8 kinds of Polychlorinated biphenyls, 11 kinds of phenol, 7 kinds of nitrous acid and other compound.These compounds itself have certain biological accumulation, and some is own toxic, and some has three-induced effect.Tremendous influence is there is in the Organic Pollutants In Water residuals such as surface water, subsoil water, Drinking Water, sanitary sewage, industrial wastewater, sea water to production and the life of the mankind.Long Term Contact or drink the water polluted by mutagenesis, carcinogen, can make the sickness rate of cancer in the crowd of drinking increase.Therefore the study on monitoring attention always to dissimilar Organic Pollutants In Water.
In traditional analyzing water body, organic pollution method is liquid-liquid extraction method, uses separatory funnel as extraction container, uses manually or separating funnel oscillator completes the extraction of object in water sample.The method is with low cost, applied widely, but need to extract sample with substantial amounts of organic reagent.Organic solvent generally has high volatility, high toxicity and combustibility, easily causes secondary environmental pollution and causes security incident.Liquid-liquid micro-extraction method is according to the liquid-liquid extraction method extracting a small amount of fluid sample with a small amount of organic solvent.The method overcome tradition liquid-liquid extraction sample and extractant consumption is big, the defect that environmental pollution is big, there is sample and extractant consumption quick, accuracy few, simple, convenient and highly sensitive, no cross contamination and advantages of environment protection.But the method currently mainly relies on and is accomplished manually extracting operation, wastes time and energy, inefficiency, and it is difficult to ensure that the stability of sample extraction and repeatability.Test tube oscillator is the most generally used to carry out the extraction vibration of liquid-liquid micro-extraction.Extraction equipment similar in the market is test tube oscillator.And if test tube oscillator is directly used in the extraction vibration of liquid-liquid micro-extraction, there is following defect:
(1) in terms of the fixed form angle of extraction container: be currently used for the trial jar of agitator, test tube method of clamping has two kinds, a kind of is that the metal triangular with metal triangular folder or with metal spring is pressed from both sides, this blessing mode, due to various trial jars, the different sizes of test tube, and metal triangular accompanies certain rigidity, therefore clamper is easily generated tension or the problem loosened between clipped object, and clamping effect is poor, and clipping operation is the most inconvenient；Another kind is band circular hole rubber clamping band, and this blessing band is relatively costly, and difficulty of processing is bigger.
(2) from the point of view of oscillator structure form: present Medical oscillation device generally uses the structure of oscillating plate, corresponding test tube realizes by the fixing groove that is placed on oscillating plate, owing to the degree of depth and the size of fixing groove are definite value, the specification thus resulting in the test tube that an agitator is suitable for is restricted.
(3) from the point of view of mode of oscillation and hybrid extraction effect: mode of oscillation have trial jar, test tube horizontal oscillations, vertical oscillation and upset to vibrate three kinds.Upset mode of oscillation trial jar, test tube easily throw away broken under the conditions of high-speed rotation, not only waste raw material and bottle, and can produce whole agitator and pollute, and there is the problem that price is high, maintenance cost is high；Horizontal oscillations is divided into again orientation of oscillation and trial jar, two kinds of modes of oscillation of test tube axis horizontal and vertical.The mode of oscillation up and down that the route that vibrates in horizontal oscillations is parallel with test tube axle, apparatus structure is complicated, and cost is high, and to process sample size few simultaneously；The mode of oscillation that the route that vibrates in horizontal oscillations is vertical with test tube axle is the most commonly used mode, and the method mainly uses the mode of oscillation of vortex, and oscillation amplitude is little, and mixing/extraction efficiency is relatively low.
Summary of the invention
For the problems referred to above, it is an object of the invention to overcome the deficiencies in the prior art, in conjunction with the feature of liquid-liquid micro-extraction, it is provided that a kind of making is with simple to operate, with low cost, process sample size many simultaneously, the liquid-liquid micro-extraction oscillation device that efficiency is high.Technical scheme is as follows:
A kind of liquid-liquid micro-extraction oscillation device, extracting tube bracket (6) including motor controller (1), adapter (2), pallet (3) and more than two, the oscillation action that motor controller (1) produces is conducted to pallet (3) by adapter (2), it is characterized in that
The pallet riser (12) of described pallet (3) is provided with the groove (16) more than two groups, one group of groove (16) is for being buckled in pallet riser (12) by an extracting tube bracket (6), and each extracting tube bracket (6) is linked together by horizontal fixing bar (7)；
One extracting tube bracket (6) includes chassis (13), fixed disk (14), rubber cushion (8) and cover plate (9), the size on chassis (13) matches with described groove (16), fixed disk (14) be fixed on chassis (13) upper and and chassis (13) between there is certain gap, chassis all has the circular hole in the corresponding coaxial center of circle with (13) and fixed disk (14), the diameter of the circular hole on fixed disk matches with extracting tube outer diameter, is used for inserting extracting tube；Rubber cushion (8) is used for being tightly fastened and protecting extracting tube；
After installing extracting tube and being fixed on pallet riser (12) by each extracting tube bracket (6), extracting tube is in level.
Preferably, described fixing bar (7) is standing screw (7), for connecting each extracting tube bracket (6) by fixing nut and fixing locknut (11) are the most fixing.The Circularhole diameter on chassis (13) is between extracting tube outer wall and extract collecting pipe outer diameter.
The present invention is directed to liquid-liquid micro-extraction feature, compared with prior art have the advantage that
(1) in terms of extraction/mixing efficiency and work efficiency: use oscillation path parallel with test tube (trial jar, extracting tube, extraction flask) axis, and the mode of test tube (trial jar, extracting tube, extraction flask) horizontal positioned, oscillation amplitude is big, mixing/extraction the most all with, in hgher efficiency, better, sample determination result repeatability is more preferable；Owing to using the mode of test tube (trial jar, extracting tube, extraction flask) horizontal positioned, once can complete the oscillation treatment of more Multi-example, improve work efficiency, alleviate the burden of technical staff, thus improve work efficiency.
(2) in terms of operational stability and convenience: by draw-in groove and the design of fixation clamp, make vibration frame to be preferably fixed on pallet, put the unstability of only oscillatory process；Rubber cushion make fixing more firm while, go back the available buffer pressure to test tube etc., prevent from crushing the extractions such as test tube/mixing container；Vibration frame can be taken off during handling test tube (trial jar, extracting tube, extraction flask), it is vertically disposed on operating board, it is sequentially loaded into test tube (trial jar, extracting tube, extraction flask), rubber cushion, cover plate, extracting tube bracket, test tube (trial jar, extracting tube, extraction flask), rubber cushion, cover plate, and tighten fixing nut, it is then charged on oscillating tray.Dismantle the most contrary.Simple, convenient, flexible.
(3) in terms of the scope of application: for the test tube (trial jar, extracting tube, extraction flask) of different size, if the fixed disk of conversion different pore size, such that it is able to facilitate technical staff to be actually needed according to different, select the extraction container of different model flexibly.The scope of application is wider, easy to operate.
(4) at processing complexity and one-tenth present aspect: all parts all use general section bar, can process with the plastic plate that alternative costs are cheap, and simple in construction, it is not necessary to any complicated processing, component processing requires low, and Financial cost is low.
Accompanying drawing explanation
Fig. 1 is the overall structure figure of the liquid-liquid micro-extraction oscillation device of the present invention.
The top view of the extracting tube bracket (not including rubber cushion and cover plate) after Fig. 2 extracting tube that has been vertically-mounted.
Label declaration in figure: 1 motor controller；2 adapters；3 pallets；4 side plates；5 fixation clamps；6 extracting tube brackets；7 standing screws；8 rubber cushions；9 cover plates；10 fix nut；11 fix locknut；The 12 lateral part of pallet, referred to as pallet risers；The chassis of 13 brackets；Fixed disk 15 metallic rod of 14 brackets；16 grooves.
Detailed description of the invention
The present invention will be described with embodiment below in conjunction with the accompanying drawings.
nullSee Fig. 1 and Fig. 2，The liquid-liquid micro-extraction oscillation device that the present invention provides，The oscillation action specifically including motor controller 1 generation is conducted to pallet 3 by adapter 2，Pallet is with 4 grooves 16 that can be snapped on the chassis of extracting tube bracket 6，Side plate with side，Side plate both sides are respectively arranged with a fixation clamp 5，It is easy to fix extracting tube bracket 6 with pallet，Extracting tube pallet and rubber cushions is overlapped by two by four standing screws 7 being fixed on left side bracket chassis and fixing nut 10 and fixing locknut 11、Cover plate links together，The chassis of extracting tube bracket and fixed disk are connected by 4 metallic rod 15，Chassis bilateral is slightly longer than fixed disk，To insert in the draw-in groove of pallet，Chassis all has the circular hole in the corresponding coaxial center of circle with fixed disk，Circular hole of chassis diameter is between extracting tube outer wall and extract collecting pipe outer diameter，Fixed disk diameter is slightly larger than extracting tube outer diameter，The effect of rubber cushion 8 can make extracting tube fixing compact and can prevent crossing senior general's extracting tube because of pressure and rack，Extraction support is fixed by fixation clamp 5 and 12，Make oscillatory process more stable.
When extraction flask is installed, whole extracting tube bracket is taken off, place vertically upward, extraction flask is put in bracket hole, install rubber cushion and cover plate and another set of extracting tube bracket, extracting tube, rubber cushion and cover plate, and fix, then lie in a horizontal plane on oscillating tray 3, with fixation clamp 5, first set extracting tube bracket is fixed with pallet 3, and another set of extracting tube bracket, rubber cushion, cover plate are fixed be connected by standing screw, nut, locknut and first set extracting tube bracket.Opening controller 1 carries out oscillation extraction.
For the extraction flask/pipe of different size, as long as the fixed disk of conversion different pore size, easy to operate.
Claims (3)
1. a liquid-liquid micro-extraction oscillation device, including motor controller (1), adapter (2), pallet (3) and the extracting tube of more than two
Bracket (6), the oscillation action that motor controller (1) produces is conducted to pallet (3) by adapter (2), it is characterised in that
Being provided with the groove (16) more than two groups on the pallet riser (12) of described pallet (3), one group of groove (16) is for by an extraction
Pipe carrier (6) is buckled on pallet riser (12), and each extracting tube bracket (6) is linked together by horizontal fixing bar (7)；
One extracting tube bracket (6) includes chassis (13), fixed disk (14), rubber cushion (8) and cover plate (9), the size of chassis (13) and institute
The groove (16) stated matches, fixed disk (14) be fixed on chassis (13) upper and and chassis (13) between there is certain gap, chassis with
(13) and fixed disk (14) all has the circular hole in the corresponding coaxial center of circle, the diameter of the circular hole on fixed disk matches with extracting tube outer diameter, use
In inserting extracting tube；Rubber cushion (8) is used for being tightly fastened and protecting extracting tube；
After installing extracting tube and being fixed on pallet riser (12) by each extracting tube bracket (6), extracting tube is in level.
Liquid-liquid micro-extraction oscillation device the most according to claim 1, it is characterised in that described fixing bar (7) is standing screw (7), uses
In connecting each extracting tube bracket (6) by fixing nut and fixing locknut (11) are the most fixing.
Liquid-liquid micro-extraction oscillation device the most according to claim 1, it is characterised in that the Circularhole diameter of chassis (13) is between extracting tube outer wall
And between extract collecting pipe outer diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610214560.6A CN105817052A (en) | 2016-04-07 | 2016-04-07 | Liquid-liquid microextraction oscillation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610214560.6A CN105817052A (en) | 2016-04-07 | 2016-04-07 | Liquid-liquid microextraction oscillation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105817052A true CN105817052A (en) | 2016-08-03 |
Family
ID=56525656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610214560.6A Pending CN105817052A (en) | 2016-04-07 | 2016-04-07 | Liquid-liquid microextraction oscillation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105817052A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117339436A (en) * | 2023-05-10 | 2024-01-05 | 苍南县质量技术监督检测院 | Vibration shelf structure of fat extraction bottle for extracting food fat |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3488037A (en) * | 1967-04-21 | 1970-01-06 | Ceskoslovenska Akademie Ved | Apparatus for contacting at least two fluid phases |
| US5693228A (en) * | 1995-09-28 | 1997-12-02 | Varian Associates, Inc. | Method and device for vibration during solid phase microextraction |
| CN2522141Y (en) * | 2002-01-30 | 2002-11-27 | 复旦大学 | Liquid-liquid micro extracting |
| CN201493074U (en) * | 2009-09-02 | 2010-06-02 | 湖北省电力试验研究院 | Colorimetric tube shaking bracket |
| CN205796616U (en) * | 2016-04-07 | 2016-12-14 | 天津市环境监测中心 | A kind of liquid-liquid micro-extraction oscillation device |
-
2016
- 2016-04-07 CN CN201610214560.6A patent/CN105817052A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3488037A (en) * | 1967-04-21 | 1970-01-06 | Ceskoslovenska Akademie Ved | Apparatus for contacting at least two fluid phases |
| US5693228A (en) * | 1995-09-28 | 1997-12-02 | Varian Associates, Inc. | Method and device for vibration during solid phase microextraction |
| CN2522141Y (en) * | 2002-01-30 | 2002-11-27 | 复旦大学 | Liquid-liquid micro extracting |
| CN201493074U (en) * | 2009-09-02 | 2010-06-02 | 湖北省电力试验研究院 | Colorimetric tube shaking bracket |
| CN205796616U (en) * | 2016-04-07 | 2016-12-14 | 天津市环境监测中心 | A kind of liquid-liquid micro-extraction oscillation device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117339436A (en) * | 2023-05-10 | 2024-01-05 | 苍南县质量技术监督检测院 | Vibration shelf structure of fat extraction bottle for extracting food fat |
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Application publication date: 20160803 |
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