CN211347659U - Extraction device for magnetic solid-phase extraction material - Google Patents
Extraction device for magnetic solid-phase extraction material Download PDFInfo
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- CN211347659U CN211347659U CN201922363289.4U CN201922363289U CN211347659U CN 211347659 U CN211347659 U CN 211347659U CN 201922363289 U CN201922363289 U CN 201922363289U CN 211347659 U CN211347659 U CN 211347659U
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Abstract
The utility model belongs to the technical field of solid phase extraction, concretely relates to extraction device for magnetism solid phase extraction material. The heating device comprises a base body, wherein a horizontal heating plate with a ceramic coating is arranged at the upper end of the base body, and the heating plate is electrically heated; a vertical upright post is fixedly arranged on the base body, and a horizontal first cross arm and a horizontal second cross arm are movably arranged on the upright post; a vertical stirring rod is installed at the extending end of the first cross arm, a motor is connected to the upper end of the stirring rod, a stirring paddle is installed at the lower end of the stirring rod, and the motor is powered on to enable the stirring rod to drive the stirring paddle to rotate; the extending end of the second cross arm is provided with a vertical strip-shaped electromagnet, a glass cover is fixedly sleeved outside the electromagnet, and the electromagnet is electrified to generate an electromagnetic effect; the utility model discloses added stirring rake mechanical stirring function in extraction and elution process, solved the unsuitable problem of magnetic stirrers, this device structural design is novel, and convenient operation has improved extraction efficiency, and degree of automation is high.
Description
Technical Field
The utility model belongs to the technical field of solid phase extraction, concretely relates to extraction device for magnetism solid phase extraction material.
Background
Solid Phase Extraction (SPE) is the most widespread method for separating and extracting target analytes in samples during pretreatment of the samples, and Magnetic Solid Phase Extraction (MSPE) technology based on magnetic adsorption material extraction draws extensive attention with its outstanding advantages. In the Magnetic Solid Phase Extraction (MSPE) process, the magnetic adsorbent does not need to be filled with columns, can be directly dispersed in an actual sample for extraction, the extraction efficiency is improved by increasing the contact between the adsorbent and the actual sample, the magnetic adsorbent is separated from the actual sample under the condition of adding a magnet after the extraction is finished, the extraction and separation process is simplified, the target analyte is eluted from the magnetic material by using a small amount of reagent, and the magnetic material can be reused. The Magnetic Solid Phase Extraction (MSPE) overcomes a series of defects of slow mass transfer speed, time consumption, consumption of a large amount of organic reagents, easy blockage of an extraction column, high price of a commercialized Solid Phase Extraction (SPE) small column, incapability of being reused and the like in the traditional Solid Phase Extraction (SPE) extraction process, and has wide application prospect in the field of analysis.
The current magnetic solid phase extraction process is as follows: adding a magnetic solid-phase extraction material into the sample liquid, extracting by shaking the beaker or the triangular flask, adsorbing the magnetic extraction material close to the outer wall of the extraction container by using a handheld magnet after extraction is finished, pouring the sample liquid from the outlet, eluting the target analyte by shaking the beaker or the triangular flask again after eluent is added, adsorbing the magnetic extraction material close to the outer wall of the extraction container by using the handheld magnet again, and measuring the eluent after solid-liquid separation. The whole operation process is complicated, the automation degree is low, a conventional magnetic stirrer cannot be used due to the inherent magnetism of the magnetic material, and the deviation of results is possibly caused by insufficient extraction or elution in the extraction and elution processes.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an extraction device for magnetism solid phase extraction material has added stirring rake mechanical stirring function in extraction and elution process, has solved the unsuitable problem of magnetic stirrers, and this device structural design is novel, and convenient operation has improved extraction efficiency, and degree of automation is high.
The above technical purpose of the utility model is realized through following technical scheme: an extraction device for magnetic solid phase extraction materials comprises a base body 1, wherein a horizontal heating plate 11 with a ceramic coating is arranged at the upper end of the base body 1;
a vertical upright post 2 is fixedly arranged on the base body 1, and a horizontal first cross arm 21 and a horizontal second cross arm 22 are movably arranged on the upright post 2; a vertical stirring rod 211 is installed at the extending end of the first cross arm 21, the upper end of the stirring rod 211 is connected with a motor 212, and a stirring paddle 213 is installed at the lower end of the stirring rod 211;
the extending end of the second cross arm 22 is provided with a vertical strip-shaped electromagnet 221, and a glass cover 222 is fixedly sleeved outside the electromagnet 221;
placing the extraction container 3 on a heating plate 11, and heating the extraction container 3 by the heating plate 11 when electricity is obtained for heating;
the stirring paddle 213 is inserted into the extraction container 3, and the motor 212 is powered to enable the stirring rod 211 to drive the stirring paddle 213 to rotate;
after stirring is completed, the electromagnet 221 is inserted into the extraction container 3, and the electromagnet 221 is electrically adsorbed with a magnetic solid-phase extraction material;
the electromagnet 221 is powered off and loses magnetism, and meanwhile, the target analyte adsorbed on the magnetic solid phase extraction material is eluted by the eluent;
the electromagnet 221 electrically adsorbs the magnetic solid phase extraction material, so that the magnetic solid phase extraction material is separated from the eluent, and the whole extraction process is completed.
Further, the stirring rod 211 is a stepped shaft, a shaft shoulder of the stepped shaft is located above the first cross arm 21, and a shaft body of the stepped shaft is inserted in the first cross arm 21 through a shaft sleeve, so that the stirring rod 211 is driven by the motor 212 to rotate.
Further, the base body is provided with a display panel 12, a time knob 13, a frequency knob 14, a power switch 15 and an electromagnet switch 16; the power switch 15 controls the heating plate 11 to be powered on and heated, the time knob 13 regulates and controls the heating time, and the display panel 12 displays the heating temperature; meanwhile, the power switch 15 controls the motor 212 to be rotated by power, and the frequency knob 14 regulates and controls the rotation frequency of the stirring paddle 213; the electromagnet switch 16 controls the electromagnet 221 to be energized to generate an electromagnetic effect.
Further, the base body 1 is square, and four upright shock absorption support legs 17 are fixedly mounted at four right angles of the bottom surface respectively.
Further, one end of the first cross arm 21 and one end of the second cross arm 22 are both fixedly connected with a sliding block 4, the sliding block 4 is sleeved on the upright post 2 and locked by a bolt 41, so that the first cross arm 21 and the second cross arm 22 are respectively movably connected with the upright post 2.
The utility model has the advantages of:
the utility model discloses an extraction device for magnetic solid phase extraction material, the upper end of the base body is provided with a horizontal heating plate with a ceramic coating, thereby greatly improving the extraction efficiency; meanwhile, the mechanical stirring function of the stirring paddle solves the problem that the magnetic stirrer is not suitable; the electromagnet is movably arranged on the second cross arm, the second cross arm is movably arranged on the stand column, the glass cover is sleeved outside the electromagnet, the magnetism of the electromagnet is independently controlled through a switch, the electromagnet can extend into the extraction liquid to adsorb magnetic materials, the magnetism is good, the adsorption capacity is strong, and pollution is avoided.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein: 1, a base body; 11 heating the plate; 12 a display panel; 13 a time knob; 14 a frequency knob; 15 a power switch; 16 an electromagnet switch; 17 shock absorbing legs; 2, upright posts; 21 a first cross arm; 22 a second cross arm; 211 a stirring rod; 212 a motor; 213 stirring paddle; 221 an electromagnet; 222 a glass cover; 3, placing an extraction container; 4, a sliding block; 41 bolt.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration only.
The utility model provides an extraction device for magnetic solid phase extraction material, includes base body 1, and base body 1's upper end is equipped with the horizontally heating plate 11 of taking ceramic coating, and heating plate 11 gets the electricity and generates heat, and heating plate 11 anti chemical corrosion performance is good, heat transfer effect is good.
A vertical upright post 2 is fixedly arranged on the base body 1, and a horizontal first cross arm 21 and a horizontal second cross arm 22 are movably arranged on the upright post 2; a vertical stirring rod 211 is installed at the extending end of the first cross arm 21, a motor 212 is connected to the upper end of the stirring rod 211, a stirring paddle 213 is installed at the lower end of the stirring rod 211, and the motor 212 is powered to enable the stirring rod 211 to drive the stirring paddle 213 to rotate; the stirring blade of stirring rake is two-leaf stainless steel impeller, and stirring effect is good, and can wash with a small amount of solution after the stirring is accomplished, can not bring the loss of analyte.
The extending end of the second cross arm 22 is provided with a vertical elongated electromagnet 221, a glass cover 222 is fixedly sleeved outside the electromagnet 221, and the electromagnet 221 is electrified to generate an electromagnetic effect.
When the device works, the extraction container 3 is placed on the heating plate 11, and the heating plate 11 is heated by electricity to heat the extraction container 3; inserting the stirring paddle 213 into the extraction container 3, and rotating the stirring paddle 213 by electricity; after stirring is completed, the electromagnet 221 is inserted into the extraction container 3, and the electromagnet 221 is charged with an electric adsorption magnetic extraction material; the electromagnet 221 is powered off and loses magnetism, and the target analyte adsorbed on the magnetic extraction material is eluted by the eluent; the electromagnet 221 electrically adsorbs the magnetic solid phase extraction material, and separates the magnetic material from the eluent to complete the whole process of the magnetic solid phase extraction.
The base body is provided with a display panel 12, a time knob 13, a frequency knob 14, a power switch 15 and an electromagnet switch 16.
The power switch 15 controls the heating plate 11 to be powered on and heated, the time knob 13 regulates and controls the heating time, and the display panel 12 displays the heating temperature; meanwhile, the power switch 15 controls the motor 212 to rotate electrically, and the frequency knob 14 regulates and controls the rotation frequency of the stirring paddle 213; the electromagnet switch 16 controls the electromagnet 221 to be energized to generate an electromagnetic effect.
The stirring rod 211 is a stepped shaft, a shaft shoulder of the stepped shaft is located above the first cross arm 21, and a shaft body of the stepped shaft is inserted in the first cross arm 21 through a shaft sleeve, so that the stirring rod 211 is driven by the motor 212 to rotate.
One end of the first cross arm 21 and one end of the second cross arm 22 are both fixedly connected with a sliding block 4, the sliding blocks 4 are sleeved on the upright post 2, so that the first cross arm 21 and the second cross arm 22 respectively move up and down along the upright post 2, and the first cross arm 21 and the second cross arm 22 are locked and fixed on the upright post 2 through bolts 41.
The base body 1 is square, and four upright shock absorption support legs 17 are fixedly mounted at four right angles of the bottom surface respectively.
The horizontal heating disc with the ceramic coating at the upper end of the base body greatly improves the extraction efficiency; the mechanical stirring function of the stirring paddle solves the problem that the magnetic stirrer is not suitable; the electromagnet is movably arranged on the second cross arm, the second cross arm is movably arranged on the stand column, the glass cover is sleeved outside the electromagnet, the magnetism of the electromagnet is independently controlled through a switch, the electromagnet can extend into the extraction liquid to adsorb magnetic materials, the magnetism is good, the adsorption capacity is strong, and pollution is avoided.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. An extraction device for magnetic solid phase extraction materials is characterized in that: the extraction device comprises a base body (1) and an extraction container (3), wherein a horizontal heating plate (11) with a ceramic coating is arranged at the upper end of the base body (1), and the extraction container (3) is placed on the heating plate (11);
a vertical upright post (2) is fixedly arranged on the base body (1), and a horizontal first cross arm (21) and a horizontal second cross arm (22) are movably arranged on the upright post (2); a vertical stirring rod (211) is installed at the extending end of the first cross arm (21), the upper end of the stirring rod (211) is connected with a motor (212), and a stirring paddle (213) is installed at the lower end of the stirring rod (211);
the extending end of the second cross arm (22) is provided with a vertical elongated electromagnet (221), and a glass cover (222) is fixedly sleeved outside the electromagnet (221).
2. An extraction apparatus for magnetic solid phase extraction of materials as claimed in claim 1, wherein: the stirring rod (211) is a step shaft, a shaft shoulder of the step shaft is positioned above the first cross arm (21), and a shaft body of the step shaft is inserted on the first cross arm (21) through a shaft sleeve, so that the stirring rod (211) is driven by the motor (212) to rotate.
3. An extraction apparatus for magnetic solid phase extraction of materials as claimed in claim 1, wherein: the base body is provided with a display panel (12), a time knob (13), a frequency knob (14), a power switch (15) and an electromagnet switch (16); the power switch (15) controls the heating plate (11) to be powered on and heated, the time knob (13) regulates and controls the heating time, and the display panel (12) displays the heating temperature; meanwhile, the power switch (15) controls the motor (212) to be rotated by electricity, and the frequency knob (14) regulates and controls the rotation frequency of the stirring paddle (213); the electromagnet switch (16) controls the electromagnet (221) to generate an electromagnetic effect.
4. An extraction apparatus for magnetic solid phase extraction of materials as claimed in claim 1, wherein: the base body (1) is square, and four vertical shock absorption support legs (17) are fixedly mounted at four right angles of the bottom surface respectively.
5. An extraction apparatus for magnetic solid phase extraction of materials as claimed in claim 1, wherein: and one end of the first cross arm (21) and one end of the second cross arm (22) are fixedly connected with sliding blocks (4), the sliding blocks (4) are sleeved on the upright posts (2) and are locked through bolts (41), so that the first cross arm (21) and the second cross arm (22) are movably connected with the upright posts (2) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922363289.4U CN211347659U (en) | 2019-12-25 | 2019-12-25 | Extraction device for magnetic solid-phase extraction material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922363289.4U CN211347659U (en) | 2019-12-25 | 2019-12-25 | Extraction device for magnetic solid-phase extraction material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211347659U true CN211347659U (en) | 2020-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922363289.4U Active CN211347659U (en) | 2019-12-25 | 2019-12-25 | Extraction device for magnetic solid-phase extraction material |
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| Country | Link |
|---|---|
| CN (1) | CN211347659U (en) |
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- 2019-12-25 CN CN201922363289.4U patent/CN211347659U/en active Active
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