CN219977928U - Pretreatment device for rapidly extracting organic selenium form components in food - Google Patents
Pretreatment device for rapidly extracting organic selenium form components in food Download PDFInfo
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- CN219977928U CN219977928U CN202321411636.6U CN202321411636U CN219977928U CN 219977928 U CN219977928 U CN 219977928U CN 202321411636 U CN202321411636 U CN 202321411636U CN 219977928 U CN219977928 U CN 219977928U
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- pretreatment device
- pretreatment
- organic selenium
- selenium form
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- 125000003748 selenium group Chemical group *[Se]* 0.000 title claims abstract description 20
- 235000013305 food Nutrition 0.000 title claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 239000002994 raw material Substances 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims description 14
- 239000003643 water by type Substances 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 2
- 239000004615 ingredient Substances 0.000 claims 6
- 238000005259 measurement Methods 0.000 abstract description 12
- 238000005303 weighing Methods 0.000 abstract description 11
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 8
- 239000011669 selenium Substances 0.000 description 8
- 229910052711 selenium Inorganic materials 0.000 description 8
- 238000007599 discharging Methods 0.000 description 7
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000002386 leaching Methods 0.000 description 3
- 238000007781 pre-processing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 244000105624 Arachis hypogaea Species 0.000 description 1
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 244000000231 Sesamum indicum Species 0.000 description 1
- 235000003434 Sesamum indicum Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
- 235000020232 peanut Nutrition 0.000 description 1
- 230000035790 physiological processes and functions Effects 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 238000002137 ultrasound extraction Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a pretreatment device for rapidly extracting organic selenium form components in food, which comprises a machine body, wherein a crusher capable of moving up and down is arranged on the end surface of the side part of the machine body, a placing table is arranged right below the crusher, the placing table is used for placing raw materials and is ground by the crusher, a pretreatment device body is arranged right below a discharge hole of the placing table, the pretreatment device body is formed by combining a driving chamber, a heating chamber and a water area chamber, the adjacent side walls of the heating chamber and the water area chamber are respectively provided with a hole communicated with each other, so that the communication between the heating chamber and the water area chamber is realized, and a first placing disc and a second placing disc capable of sliding up and down are arranged inside the water area chamber. According to the utility model, the pretreatment equipment body is additionally arranged, so that the steps except sample weighing can be combined, the pretreatment efficiency is greatly improved, the measurement steps are simplified, and the working efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of pretreatment for extracting organic selenium form components in foods, in particular to a pretreatment device for rapidly extracting organic selenium form components in foods.
Background
Selenium is contained in our daily oil, beans, grains, vegetables, fruits, sesame and peanuts. Selenium element is used as trace element essential for human body, has multiple important physiological functions, can be fused with protein and polysaccharide in human body, and has the effects of improving human body immunity, etc. The organic selenium-rich food means that the minimum content of total selenium reaches 20 micrograms/100 grams, and the content of the organic selenium is more than 90% of the total selenium.
The organic selenium is measured by crushing the organic selenium by a sample crushing device, weighing about 0.5g of a sample by an electronic balance, placing the sample into a centrifuge tube, adding 10mL of leaching solution, performing ultrasonic extraction at 37 ℃ for 30min, centrifuging the leaching solution by a centrifuge, taking the supernatant, and performing detection by a machine after passing through a water film of 0.45 mu m.
During measurement, a large amount of equipment is required to be matched with measurement, the equipment is required to be continuously replaced, and the original characteristic of the selenium form is required to be kept unchanged as much as possible in the process of extracting the sample due to instability of the selenium form, so that the measurement is more complicated, the measurement accuracy is reduced, and meanwhile, the working efficiency is reduced.
In order to solve the defects of the technical problems, a pretreatment device for rapidly extracting organic selenium form components in food is developed.
Disclosure of Invention
The utility model aims to provide a pretreatment device for rapidly extracting organic selenium form components in food, which can combine steps except sample weighing by additionally arranging a pretreatment equipment body, so that the pretreatment efficiency is greatly improved, the measurement steps are simplified, and the working efficiency is improved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a quick pretreatment device who draws organic selenium form composition in food, includes the organism, organism lateral part terminal surface is provided with the breaker that can reciprocate, is located to be provided with under the breaker and places the platform, place bench and be used for placing the raw materials to grind through the breaker, be located to place bench discharge gate under and be provided with pretreatment device body, pretreatment device body is formed by drive chamber, heating cavity and waters room combination, the hole that is linked together has all been seted up on heating cavity and the adjacent lateral wall of waters room, and then realizes the intercommunication between heating cavity and the waters room, the inside first placing tray and the second placing tray that can slide from top to bottom that are provided with of waters room.
By adopting the technical scheme, the pretreatment equipment body is additionally arranged, so that the steps except sample weighing can be combined, the pretreatment efficiency is greatly improved, the measurement steps are simplified, and the working efficiency is improved.
The utility model is further provided with:
the automatic grinding machine is characterized in that a servo motor is arranged in the machine body, a switch button is arranged on the outer wall of the machine body, the on-off of the servo motor is realized through the switch button, two groups of fixed sliding rails which are arranged in parallel are fixedly arranged on the end face of the side part of the machine body, movable seats are slidably arranged on the fixed sliding rails, the side end faces of the two groups of movable seats are fixedly connected with a placing plate through fastening screws, a rotating motor is fixedly arranged on the end face of the top of the placing plate, and the driving end of the rotating motor penetrates through the placing plate and is connected with a grinding disc through a coupling; the connection between the servo motor, the fixed rail and the movable base is known in the art and will not be described in detail here.
By adopting the technical scheme, the servo motor is started to drive the movable seat to move up and down on the fixed sliding rail, so that the placing plate is driven to move up and down, and the placing plate is used for driving the grinding disc to move up and down.
The utility model is further provided with:
the utility model discloses a material discharging device, including placing the platform, placing the platform inside and being hollow setting to the aperture has been seted up on the top, makes the raw materials of crushing fall into the inside of placing the platform through the aperture, the exit end of placing the platform is provided with the unloading passageway, and the unloading passageway adopts built-in weight detection sensor's double-deck unloading passageway, can select the weight detection sensor of SQB model for use with weight detection sensor, detects the weight of unloading through weight detection sensor, is located the unloading passageway inner wall be provided with the control valve on the unloading passageway.
By adopting the technical scheme, when the device is used, crushed raw materials fall into the placing table through the small hole at the top end of the placing table and are conveyed through the blanking channel, the control valve is in a closed state, the weight of the raw materials falling into the blanking channel is automatically detected through the weight detection sensor, when the required weight of the raw materials reaches the preset value, the control valve is automatically opened through the control system, the raw materials in the blanking channel fall into external equipment, and then workers carry out secondary weighing, so that the accuracy of the weight of the raw materials entering into the next equipment is ensured.
The utility model is further provided with:
the pretreatment equipment body adopts a Microfuge series centrifugal machine, a first placing disc is fixedly arranged on the inner side wall of the pretreatment equipment body, first placing holes are formed in the first placing disc, and the first placing disc penetrates through the top end of the pretreatment equipment body and is used for placing test tubes; be located first downthehole pole setting that is provided with of placing, be located first downthehole pole setting fixedly connected with arc grip block of placing, first place dish both sides portion terminal surface copper pipe compresses tightly the shrink spring and is connected with the arm-tie, be located the fixed handle that is provided with on the arm-tie.
Adopt above-mentioned technical scheme, at the during actual operation, the staff is through inserting the test tube inside the first hole of placing, under compression spring's effect, can drive the arc splint and press from both sides tightly the test tube, guarantees that the test tube is placed more stably.
The utility model is further provided with:
the inside lateral wall of pretreatment equipment body is fixed and is provided with the slide rail, it is provided with the slider to slide on the slide rail to be located the interior actuating assembly of actuating chamber, actuating assembly adopts actuating device such as servo motor, driving motor can, reciprocates on the slide rail through actuating assembly drive slider, is current mode about being connected between actuating assembly, slider and the slide rail, does not describe in detail here.
The utility model is further provided with:
the slider lateral part terminal surface is fixed to be provided with the second and places the dish, the second is placed the dish and is provided with two sets of mounting panels that set up side by side from top to bottom to be connected through the threaded rod between two sets of mounting panels from top to bottom, all offered the second on two sets of mounting panels from top to bottom and placed the hole, the aperture of placing the hole in the second on the mounting panel above is less than the aperture of placing the hole in the second of mounting panel below, the conical test tube of being convenient for place.
By adopting the technical scheme, when the device is used, the driving assembly in the pretreatment equipment body is started, and the second placing plate is driven to move up and down on the sliding rail through the driving assembly.
The utility model is further provided with:
a water inlet is formed in the end face of the side part of the heating cavity, and a 50kw electromagnetic heater is arranged in the heating cavity.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the pretreatment equipment body is additionally arranged, so that the steps except sample weighing can be combined, the pretreatment efficiency is greatly improved, the measurement steps are simplified, and the working efficiency is improved.
2. The utility model adds the placing tray with the upper layer and the lower layer, thereby enabling the test tube to be in the pretreatment equipment body
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;
FIG. 2 is a schematic view of a crusher according to an embodiment of the present utility model;
FIG. 3 is a schematic view showing the internal structure of a pretreatment apparatus according to an embodiment of the present utility model;
fig. 4 is a schematic view of a placement tray according to an embodiment of the present utility model.
In the figure: 1. a body; 2. a crusher; 021. a switch button; 027. a servo motor; 3. a placement table; 031. a movable seat; 032. fixing the sliding rail; 033. placing a plate; 034. a rotating electric machine; 035. a grinding tray; 4. a weight detection sensor; 5. a control valve; 6. a blanking channel; 7. a pretreatment device body; 8. a heating chamber; 9. a first holding tray; 091. a first placement hole; 092. pulling a plate; 094. compressing the contraction spring; 095. an arc-shaped clamping plate; 096. a vertical rod; 10. a water inlet; 11. a water bath room; 12. a hole; 13. a slide rail; 14. a slide block; 15. a second holding tray; 152. a threaded rod; 153. a second placement hole; 154. a mounting plate; 16. a drive chamber.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a quick preprocessing device who draws organic selenium form composition in food, includes organism 1, but organism 1 lateral part terminal surface is provided with breaker 2 that reciprocates, is located and is provided with under the breaker 2 and places the platform 3, place and be used for placing the raw materials on the platform 3 to grind through the breaker, be located and be provided with preprocessing equipment body 7 under placing the platform 3 discharge gate, preprocessing equipment body 7 is formed by drive chamber, heating chamber 8 and waters room 11 combination, all offered the hole 12 that is linked together on the adjacent lateral wall of heating chamber 8 and waters room 11, and then realized the intercommunication between heating chamber 8 and the waters room 11.
Referring to fig. 1 to 4, in order to solve the problems that a large amount of equipment is required to cooperate with measurement during measurement, the equipment is continuously replaced, and the original characteristics of the selenium form need to be kept unchanged as much as possible during the extraction process of a sample due to instability of the selenium form, so that the measurement is more complex, the measurement accuracy is reduced, and the working efficiency is reduced at the same time, by arranging a first placing disc 9 and a second placing disc 15 which can slide up and down in the water area chamber 11;
the pretreatment equipment body 7 adopts a Microfuge series centrifuge, a first placing disc 9 is fixedly arranged on the inner side wall of the pretreatment equipment body 7, first placing holes 091 are formed in the first placing disc 9, and the first placing disc passes through the top end of the pretreatment equipment body 7, and test tubes are placed in the first placing holes 091; the upright rod 096 is arranged in the first placing hole 091, the arc-shaped clamping plate 095 is fixedly connected with the upright rod 096 in the first placing hole 091, the pull plate 092 is connected with the copper pipe compression shrinkage springs 094 on the end surfaces of the two sides of the first placing disk 9, the handle is fixedly arranged on the pull plate 092, and when in actual work, a worker inserts the test tube into the first placing hole, and under the action of the compression springs, the arc-shaped clamping plate can be driven to clamp the test tube, so that the test tube is more stably placed;
the side wall inside the pretreatment device body 7 is fixedly provided with a sliding rail 13, the sliding rail 13 is provided with a sliding block 14 in a sliding manner, and a driving assembly is arranged in the driving chamber, the driving assembly is only required to adopt driving devices such as a servo motor, a driving motor and the like, the driving assembly drives the sliding block to move up and down on the sliding rail, and the connection among the driving assembly, the sliding block and the sliding rail is an existing mode and is not described in detail herein;
the second placing plate 15 is fixedly arranged on the end face of the side part of the sliding block 14, the second placing plate 15 is provided with an upper group of mounting plates 154 and a lower group of mounting plates 154 which are arranged side by side, the upper group of mounting plates 154 and the lower group of mounting plates 154 are connected through threaded rods 152, second placing holes 153 are formed in the upper group of mounting plates 154, and the aperture of the second placing holes 153 in the upper mounting plate is smaller than that of the second placing holes in the lower mounting plate, so that conical test tubes can be placed conveniently.
In the embodiment, the drive assembly in the pretreatment equipment body is started, and the second placing plate is driven to move up and down on the sliding rail through the drive assembly.
Referring to fig. 1-4, a servo motor 027 is disposed in the machine body 1, a switch button 021 is disposed on an outer wall of the machine body 1, on-off of the servo motor is realized through the switch button 021, two groups of parallel fixed sliding rails 032 are fixedly disposed on end surfaces of a side portion of the machine body 1, a movable seat 031 is slidably disposed on the fixed sliding rails 032, a placement plate 033 is fixedly connected to the end surfaces of the side portions of the two groups of movable seats 031 through fastening screws, a rotary motor 034 is fixedly disposed on an end surface of a top portion of the placement plate 033, and a driving end of the rotary motor 034 penetrates through the placement plate 033 and is connected with a grinding disc 035 through a coupling; the connection between the servo motor, the fixed rail and the movable base is known in the art and will not be described in detail here.
In this embodiment, the servo motor is started to drive the movable base 031 to move up and down on the fixed sliding rail 032, so as to drive the placing plate to move up and down, and the placing plate drives the grinding disc to move up and down.
Referring to fig. 1-4, the inside of the placement table 3 is hollow, a small hole is formed in the top end of the placement table, the crushed raw material falls into the inside of the placement table 3 through the small hole, a discharging channel 6 is arranged at the outlet end of the placement table 3, the discharging channel adopts a double-layer discharging channel with a built-in weight detection sensor 4, a weight detection sensor of the SQB model can be selected as the weight detection sensor, the weight of the discharging is detected by the weight detection sensor 4, and a control valve 5 is arranged on the discharging channel 6 and positioned on the inner wall of the discharging channel 6.
In this embodiment, when the utility model is used, when the crushed raw materials fall into the placing table through the small hole at the top end of the placing table and are conveyed through the blanking channel 6, the control valve is in a closed state, the weight of the raw materials falling into the blanking channel is automatically detected through the weight detection sensor 4, when the required weight of the raw materials reaches the preset value, the control valve is automatically opened through the control system, the raw materials in the blanking channel fall into external equipment, and then the staff performs secondary weighing, so that the accuracy of the weight of the raw materials entering into the next equipment is ensured.
Referring to fig. 1-4, a water inlet 10 is formed in the end surface of the side portion of the heating chamber 8, and a 50kw electromagnetic heater is arranged in the heating chamber.
The application flow and the working principle of the utility model are as follows:
when the utility model is used, firstly, the water inlet is connected with an external pipeline, then a sample is placed on the placing table 3, at the moment, the servo motor is started to drive the placing plate 033 to move downwards, and then the grinding disc is driven to move downwards until the grinding disc is abutted against the sample, at the moment, the servo motor is closed, meanwhile, the rotating motor 034 is started, the rotating motor 034 drives the grinding disc to rotate, the sample on the placing table is ground through the grinding disc 034, when the ground sample particles reach the required size, the ground sample particles automatically fall into the placing table below and enter the blanking channel 6, the weight of the raw materials falling into the blanking channel is automatically detected through the weight detection sensor 4, when the required weight of the raw materials reaches the preset value, the control valve is automatically opened through the control system, at the moment, the raw materials in the blanking channel fall into external equipment; at the moment, the weight of the required sample is detected, and then the worker performs secondary weighing, so that the accuracy of the weight of the raw materials entering the next equipment is ensured, the time of the worker is greatly shortened, the weighing can be completed only by twice, and the weighing is not required to be performed for multiple times; weighing 0.5g of crushed sample, placing the sample into a test tube, adding 10mL of leaching solution, starting a driving assembly, driving a sliding block to move up and down on a sliding rail through the driving assembly, further driving a second placing plate 15 to move to the position right below a first placing plate 9, pulling a handle outwards by a worker, driving a placing plate outwards through the handle, leaving an arc-shaped clamping plate from the test tube at the moment, releasing the clamping of the test tube, and automatically dropping the test tube into the second placing plate below;
then starting a driving assembly, driving a second placing plate to return to the lower part in the pretreatment equipment body through the driving assembly, simultaneously starting a 50kw electromagnetic heater arranged in a heating chamber, heating the water flow in the heating chamber to 37 ℃, at the moment, ultrasonically extracting the water in a water area chamber through a hole for 30min, and centrifuging to obtain supernatant; and all that is not described in detail in this specification is within the skill of the art.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A pretreatment device for rapidly extracting organic selenium form components in food comprises a machine body and is characterized in that: the utility model discloses a crusher, including frame, heating cavity, waters room, crusher, setting up the frame, placing the frame under the crusher, be provided with the breaker that can reciprocate, be located to be provided with under the breaker and place the raw materials under placing the frame, and grind through the breaker, be located to be provided with the pretreatment equipment body under placing the frame discharge gate, the pretreatment equipment body is formed by driving chamber, heating cavity and waters room combination, all offer the hole that is linked together on heating cavity and the adjacent lateral wall of waters room, and then realize the intercommunication between heating cavity and the waters room, the inside first placing tray and the second placing tray that can slide from top to bottom that are provided with of waters room.
2. The pretreatment device for rapidly extracting organic selenium form ingredients from food according to claim 1, wherein: the machine body is internally provided with a servo motor, two groups of parallel fixed sliding rails are fixedly arranged on the end face of the side part of the machine body, movable seats are slidably arranged on the fixed sliding rails, the side end faces of the two groups of movable seats are fixedly connected with a placing plate through fastening screws, a rotating motor is fixedly arranged on the end face of the top of the placing plate, and the driving end of the rotating motor penetrates through the placing plate and is connected with a grinding disc through a coupling.
3. The pretreatment device for rapidly extracting organic selenium form ingredients from food according to claim 1, wherein: the inside cavity that is of placing the platform sets up to the aperture has been seted up on the top, the exit end of placing the platform is provided with the unloading passageway, and the unloading passageway adopts built-in weight detection sensor's double-deck unloading passageway, is located the unloading passageway inner wall be provided with the control valve on the unloading passageway.
4. The pretreatment device for rapidly extracting organic selenium form ingredients from food according to claim 1, wherein: the pretreatment device comprises a pretreatment device body, wherein a first placing tray is fixedly arranged on the inner side wall of the pretreatment device body, first placing holes are formed in the first placing tray, the first placing tray penetrates through the top end of the pretreatment device body, and test tubes are placed in the first placing holes; be located first downthehole pole setting that is provided with of placing, be located first downthehole pole setting fixedly connected with arc grip block of placing, first place dish both sides portion terminal surface copper pipe compresses tightly the shrink spring and is connected with the arm-tie, be located the fixed handle that is provided with on the arm-tie.
5. The pretreatment device for rapid extraction of organic selenium form ingredients in food according to claim 4, wherein: the inside lateral wall of pretreatment equipment body is fixed to be provided with the slide rail, it is provided with the slider to slide on the slide rail.
6. The pretreatment device for rapidly extracting organic selenium form ingredients from food according to claim 5, wherein: the slider lateral part terminal surface is fixed to be provided with the second and places the dish, the second is placed the dish and is provided with two sets of mounting panels that set up side by side from top to bottom to be connected through the threaded rod between two sets of mounting panels from top to bottom, all offered the second on two sets of mounting panels from top to bottom and placed the hole, the aperture of the second of placing the hole on the mounting panel above is less than the aperture of the second of placing the hole of mounting panel below.
7. The pretreatment device for rapidly extracting organic selenium form ingredients from food according to claim 1, wherein: and a water inlet is formed in the end face of the side part of the heating chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321411636.6U CN219977928U (en) | 2023-06-05 | 2023-06-05 | Pretreatment device for rapidly extracting organic selenium form components in food |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321411636.6U CN219977928U (en) | 2023-06-05 | 2023-06-05 | Pretreatment device for rapidly extracting organic selenium form components in food |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219977928U true CN219977928U (en) | 2023-11-07 |
Family
ID=88583658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321411636.6U Active CN219977928U (en) | 2023-06-05 | 2023-06-05 | Pretreatment device for rapidly extracting organic selenium form components in food |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219977928U (en) |
-
2023
- 2023-06-05 CN CN202321411636.6U patent/CN219977928U/en active Active
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