CN217931047U - A preprocessing device for tobacco starch survey - Google Patents
A preprocessing device for tobacco starch survey Download PDFInfo
- Publication number
- CN217931047U CN217931047U CN202222114472.2U CN202222114472U CN217931047U CN 217931047 U CN217931047 U CN 217931047U CN 202222114472 U CN202222114472 U CN 202222114472U CN 217931047 U CN217931047 U CN 217931047U
- Authority
- CN
- China
- Prior art keywords
- sand core
- filter hopper
- filter
- fixing ring
- extraction
- 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.)
- Active
Links
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to the technical field of tobacco starch detection, in particular to a pretreatment device for tobacco starch determination, wherein a sand core filter hopper bracket is arranged on an operation platform; the sand core filter hopper bracket is arranged in a double-layer structure; a plurality of filter bucket upper fixing rings are respectively arranged on two sides of the top of the sand core filter bucket bracket; an opening is arranged beside the fixed ring on the filter hopper; a filter hopper lower fixing ring is arranged in the middle of the sand core filter hopper bracket; the apertures of the upper filter hopper fixing ring and the lower filter hopper fixing ring are the same; a G sintered glass sand core filter hopper is arranged on the filter hopper fixing ring; an extraction beaker is arranged on the right side of the operating platform; a plurality of extraction bracket holes are formed in the inner wall of the extraction beaker; the extraction support hole is the same as the structure of the upper fixed ring of the filter hopper, so that the problem of low pretreatment efficiency in the tobacco starch determination is solved.
Description
Technical Field
The utility model relates to a tobacco starch detects technical field, concretely relates to a preprocessing device for tobacco starch survey.
Background
Before the tobacco starch determination experiment, a detection sample needs to be pretreated, in the pretreatment process, 0.25g of the sample needs to be accurately weighed in a 50mL G3 sintered glass sand core funnel (5.2), 25mL of 80% ethanol-saturated sodium chloride solution is weighed and added into the funnel, the funnel is placed into a 400mL beaker containing a proper amount of water, and ultrasonic extraction is carried out for 30min at room temperature. The funnel was removed, the stopcock was opened to discard the extraction solution, the sample residue in the funnel was washed with 2mL of 80% ethanol-saturated sodium chloride solution, the double-stranded ball was pressurized again to discard the washing solution, and the stopcock was closed. The funnel was returned to the 400tnL beaker, and 15mL of a 40% perchloric acid solution was added to the sample residue in the funnel, followed by ultrasonic extraction of 10mnin at room temperature, addition of 15mL of water to the funnel, mixing well, opening the cock, and placing the starch extract in a 50mL Erlenmeyer flask. Accurately transferring 5mL of extracting solution into a 50mL volumetric flask, adding water to a constant volume to a scale, and shaking up for later use; in the process, batch processing cannot be carried out due to more processes; and the pretreatment process is complex, so that more solvents are added, and the problems of errors and the like are easily caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a preprocessing device for tobacco starch survey solves the problem that tobacco starch survey pretreatment efficiency is low.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a pretreatment device for determining tobacco starch comprises an operation table, a sand core filter hopper support, a filter hopper upper fixing ring, a filter hopper lower fixing ring, an opening, an ethanol bottle placing groove, a sodium chloride solution placing groove, a perchloric acid solution placing groove, a potassium dichromate lotion placing groove, a G3 sintered glass sand core filter hopper, a weighing balance, a pipette box, a pipette, an ultrasonic generator, an extraction beaker and an extraction support hole; a sand core filter hopper bracket is arranged on the operating platform; the sand core filter hopper bracket is arranged in a double-layer structure; a plurality of filter bucket upper fixing rings are respectively arranged on two sides of the top of the sand core filter bucket bracket; an opening is arranged beside the fixed ring on the filter hopper; a filter hopper lower fixing ring is arranged in the middle of the sand core filter hopper bracket; the filter bucket upper fixing ring and the filter bucket lower fixing ring have the same aperture; a G sintered glass sand core filter hopper is placed on the filter hopper fixing ring; an extraction beaker is arranged on the right side of the operating platform; a plurality of extraction bracket holes are formed in the inner wall of the extraction beaker; the extraction support hole has the same structure as the fixed ring on the filter hopper.
Further, an ethanol bottle placing groove, a sodium chloride solution placing groove, a perchloric acid solution placing groove and a potassium dichromate lotion placing groove are sequentially arranged in the middle of the sand core filter hopper support.
Further, a weighing balance is arranged on the upper portion of the operating platform.
Further, a pipette box is arranged beside the weighing balance; two pipettes are arranged in the pipette box.
Further, an ultrasonic generator is arranged beside the extraction beaker.
Furthermore, a cleaning liquid collecting tank is embedded into the edge of the lower portion of the operating platform.
Compared with the prior art, the utility model discloses can realize one of following beneficial effect:
1. a sand core filter hopper bracket is arranged on the operating platform; the sand core filter hopper bracket is arranged in a double-layer structure; a plurality of filter bucket upper fixing rings are respectively arranged on two sides of the top of the sand core filter bucket bracket; an opening is arranged beside the fixed ring on the filter hopper; a filter hopper lower fixing ring is arranged in the middle of the sand core filter hopper bracket; the filter bucket upper fixing ring and the filter bucket lower fixing ring have the same aperture; a G3 sintered glass sand core filter hopper is arranged on the fixed ring on the filter hopper; an extraction beaker is arranged on the right side of the operating platform; a plurality of extraction bracket holes are formed in the inner wall of the extraction beaker; the extraction support hole is the same with the retainer plate structure on the filter hopper, can realize placing a plurality of G3 sintered glass psammitolite filter hoppers on the psammitolite filter hopper support that sets up, carries out the preliminary treatment before the tobacco starch survey, and batch processing has improved experimental efficiency.
2. The psammitolite filter hopper support middle part is arranged in proper order and is provided with ethanol bottle standing groove, sodium chloride solution standing groove, perchloric acid solution standing groove and potassium dichromate lotion standing groove, can realize the ethanol bottle standing groove, sodium chloride solution standing groove, perchloric acid solution standing groove and the potassium dichromate lotion that set up, can regularly place the solvent that the processing needs used, places the mistake and adds, improves the rate of addition of solvent.
3. The upper portion of the operating platform is provided with the weighing balance, and the detection sample can be conveniently weighed through the weighing balance.
4. A pipette box is arranged beside the weighing balance; two pipettes are arranged in the pipette box, the pipettes can be protected by the arranged pipette box, and the two pipettes can be alternately used.
5. An ultrasonic generator is arranged beside the extraction beaker, so that ultrasonic extraction can be conveniently carried out in the extraction beaker through the arranged ultrasonic generator, and the treatment efficiency is improved.
6. The embedded washing liquid collecting vat that is provided with of operation panel lower part edge can realize conveniently collecting the washing liquid after wasing G3 sintered glass psammitolite filter bowl through the washing liquid collecting vat that sets up, prevents the pollution.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
A pretreatment device for determining tobacco starch comprises an operation platform 1, a sand core filter hopper support 2, a filter hopper upper fixing ring 3, a filter hopper lower fixing ring 4, an opening 5, an ethanol bottle placing groove 6, a sodium chloride solution placing groove 7, a perchloric acid solution placing groove 8, a potassium dichromate lotion placing groove 9, a G3 sintered glass sand core filter hopper 10, a weighing balance 11, a pipette box 12, a pipette 13, an ultrasonic generator 14, an extraction beaker 15 and an extraction support hole 16; a sand core filter hopper bracket 2 is arranged on the operating platform 1; the sand core filter hopper bracket 2 is arranged in a double-layer structure; a plurality of filter upper fixing rings 3 are respectively arranged on two sides of the top of the sand core filter bracket 2; an opening 5 is arranged beside the filter bucket upper fixing ring 3; the middle part of the sand core filter hopper bracket 2 is provided with a filter hopper lower fixing ring 4; the filter funnel upper fixing ring 3 and the filter funnel lower fixing ring 4 have the same aperture; a G3 sintered glass sand core filter hopper 10 is arranged on the filter hopper upper fixing ring 3; an extraction beaker 15 is arranged on the right side of the operating table 1; a plurality of extraction bracket holes 16 are arranged on the inner wall of the extraction beaker 15; the extraction support holes 16 have the same structure as the fixed ring 3 on the filter hopper, so that a plurality of G3 sintered glass sand core filter hoppers can be placed on the sand core filter hopper support to carry out pretreatment before tobacco starch determination, and the batch treatment improves the experimental efficiency; articles and solvents required in the pretreatment process are uniformly placed on the operation table, so that the adding speed of the solvents is increased; and reduces the error rate.
Example 2
On the basis of embodiment 1, the ethanol bottle standing groove 6, sodium chloride solution standing groove 7, perchloric acid solution standing groove 8 and potassium dichromate lotion standing groove 9 have been arranged in proper order in psammitolite filter bracket 2 middle part, and the ethanol bottle standing groove, sodium chloride solution standing groove, perchloric acid solution standing groove and the potassium dichromate lotion that can realize setting up can be regularly placed and handle the solvent that needs to use, place the mistake and add, improve the rate of addition of solvent.
Example 3
On the basis of embodiment 1, the upper portion of operation panel 1 is provided with weighing balance 11, can realize conveniently weighing the testing sample through the weighing balance who sets up.
Example 4
On the basis of the embodiment 1, a pipette box 12 is arranged beside the weighing balance 11; two pipettes 13 are arranged in the pipette box 12, which enables protection of the pipettes by the arranged pipette box and provides for the alternative use of the two pipettes.
Example 5
On the basis of the embodiment 1, the ultrasonic generator 14 is arranged beside the extraction beaker 15, so that the ultrasonic extraction can be conveniently carried out in the extraction beaker by the arranged ultrasonic generator, and the treatment efficiency is improved.
Example 6
On the basis of embodiment 1, the embedded washing liquid collecting groove 17 that is provided with of 1 lower part edge of operation panel can realize conveniently collecting the washing liquid after wasing G3 sintered glass psammitolite filter bowl through the washing liquid collecting groove that sets up, prevents to pollute.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the scope and spirit of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (6)
1. A pretreatment device for tobacco starch determination is characterized in that: the device comprises an operation table (1), a sand core filter funnel support (2), a filter funnel upper fixing ring (3), a filter funnel lower fixing ring (4), an opening (5), an ethanol bottle placing groove (6), a sodium chloride solution placing groove (7), a perchloric acid solution placing groove (8), a potassium dichromate lotion placing groove (9), a G3 sintered glass sand core filter funnel (10), a weighing balance (11), a pipette box (12), a pipette (13), an ultrasonic generator (14), an extraction beaker (15) and an extraction support hole (16); a sand core filter hopper bracket (2) is arranged on the operating platform (1); the sand core filter hopper bracket (2) is arranged in a double-layer structure; a plurality of filter bucket upper fixing rings (3) are respectively arranged on two sides of the top of the sand core filter bucket bracket (2); an opening (5) is arranged beside the fixed ring (3) on the filter hopper; a filter bucket lower fixing ring (4) is arranged in the middle of the sand core filter bucket bracket (2); the filter funnel upper fixing ring (3) and the filter funnel lower fixing ring (4) have the same aperture; a G3 sintered glass sand core filter hopper (10) is arranged on the filter hopper upper fixing ring (3); an extraction beaker (15) is arranged on the right side of the operating platform (1); a plurality of extraction bracket holes (16) are arranged on the inner wall of the extraction beaker (15); the structure of the extraction bracket hole (16) is the same as that of the filter bucket upper fixing ring (3).
2. A pretreatment device for tobacco starch assay according to claim 1, characterized in that: the sand core filter hopper support is characterized in that an ethanol bottle placing groove (6), a sodium chloride solution placing groove (7), a perchloric acid solution placing groove (8) and a potassium dichromate lotion placing groove (9) are sequentially arranged in the middle of the sand core filter hopper support (2).
3. A pretreatment device for tobacco starch assay according to claim 1, characterized in that: and a weighing balance (11) is arranged on the upper part of the operating platform (1).
4. A pretreatment device for tobacco starch assay according to claim 3, characterized in that: a pipette box (12) is arranged beside the weighing balance (11); two pipettes (13) are arranged in the pipette box (12).
5. A pretreatment device for tobacco starch assay according to claim 1, characterized in that: an ultrasonic generator (14) is arranged beside the extraction beaker (15).
6. A pretreatment device for tobacco starch assay according to claim 1, characterized in that: and a cleaning liquid collecting tank (17) is embedded into the lower edge of the operating platform (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222114472.2U CN217931047U (en) | 2022-08-11 | 2022-08-11 | A preprocessing device for tobacco starch survey |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222114472.2U CN217931047U (en) | 2022-08-11 | 2022-08-11 | A preprocessing device for tobacco starch survey |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217931047U true CN217931047U (en) | 2022-11-29 |
Family
ID=84157200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222114472.2U Active CN217931047U (en) | 2022-08-11 | 2022-08-11 | A preprocessing device for tobacco starch survey |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217931047U (en) |
-
2022
- 2022-08-11 CN CN202222114472.2U patent/CN217931047U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SE533578C2 (en) | Device for measuring an ultra-low gas flow and a system for measuring biomethane gas flow and biogas flow with the device | |
| CN217931047U (en) | A preprocessing device for tobacco starch survey | |
| CN103105321B (en) | Pretreatment method of trace uranium sample | |
| CN202621512U (en) | Sampling needle cleaner and sample analysis device with built-in sampling needle cleaner | |
| CN109839360A (en) | The measuring method of gold content in a kind of cyaniding tail washings | |
| CN204202917U (en) | A kind of overlying water harvester | |
| CN103901139A (en) | Pretreatment method for analyzing tetrabromobisphenol A in biologic urine | |
| CN106929406B (en) | Compact device for nucleic acid extraction and detection | |
| CN207516132U (en) | A kind of multi-functional Tip SPE of high throughput ultramicron | |
| CN114252486B (en) | Method for detecting ammonia nitrogen content in sewage | |
| CN105891289A (en) | Electrochemical method for measuring oxidation inducing time of grease | |
| CN201720065U (en) | Volumetric flask holder | |
| CN201791540U (en) | Combined support | |
| CN113607525A (en) | Vacuum blood collection tube additive for blood digestion and preparation method thereof | |
| CN203241424U (en) | Full-automatic liquid treating platform | |
| CN213689617U (en) | Soil nutrient content testing arrangement for soil testing | |
| CN106986956A (en) | A kind of preparation method for being crosslinked synanthrin | |
| CN204010443U (en) | Archimedes principle teaching and experimental demonstration instrument | |
| CN202770683U (en) | Free carbon sample decomposing device capable of replacing platinum vessel | |
| CN217006833U (en) | Device for detecting solvent resistance of rubber and plastic material | |
| CN215866055U (en) | Granular sample cleaning device | |
| CN214765587U (en) | Sample holder and solid densimeter | |
| CN205850930U (en) | A kind of test tube for laboratory room | |
| CN213985840U (en) | Sampling device for sewage treatment | |
| CN206281697U (en) | A kind of 96 orifice plates of suitable Pharmaceutical Analysis sample pre-treatments |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A pre-treatment device for determining tobacco starch Effective date of registration: 20230418 Granted publication date: 20221129 Pledgee: Kunming Dongfeng Sub branch of Bank of China Ltd. Pledgor: Yunnan Jiahui Testing Technology Co.,Ltd. Registration number: Y2023530000021 |