CN212780671U - Pretreatment device for detecting chemical substances in explosive content - Google Patents
Pretreatment device for detecting chemical substances in explosive content Download PDFInfo
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- CN212780671U CN212780671U CN202021726010.0U CN202021726010U CN212780671U CN 212780671 U CN212780671 U CN 212780671U CN 202021726010 U CN202021726010 U CN 202021726010U CN 212780671 U CN212780671 U CN 212780671U
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Abstract
The utility model provides a preceding processing apparatus and application that explode pearl content chemical substance and detect. The pretreatment device consists of a plastic pipe, a sampling needle cylinder, an explosion bead, a sample pipe with a hole at the bottom, a plastic pipe cover, a threaded sample pipe opening, a sampling needle push rod, an extracting agent, an explosion bead content, a threaded sample pipe cover, a connecting strip or a supporting strip and an extrusion plate. Sample needle, sample cylinder and sample needle push rod constitute the sampler, explode the pearl and explode the pearl temporary storage with the foraminiferous sample cell in bottom constitution, screw thread sample tube cap explodes the pearl extrusion space through rotatory constitution with the screw thread sample mouth of pipe, screw thread sample tube cap, connecting strip or support bar and stripper plate constitution sample tube cap, and sample tube cap and screw thread sample mouth of pipe explode the pearl through the process extrusion of screwing and release and explode the pearl content, and plastic tubing cap constitute airtight liquid storage pipe. Use the utility model discloses a device can realize effective entrapment and detect simultaneously to chemical substance in the pearl content of exploding, has advantages such as quick, accurate, easy operation.
Description
Technical Field
The utility model belongs to the technical field of the analytical chemistry device, concretely relates to preceding processing apparatus who explodes pearl content chemical substance and detect.
Background
The bead is a capsule with semi-permeable membrane or seal and wrapped with liquid fragrant component, and comprises wall material and content. More than one small capsule bead containing liquid is arranged in a filter tip of the bead-exploded cigarette, and the liquid (content) in the capsule bead can be pinched to enhance the aroma of the cigarette in the smoking process and strengthen the aroma or the characteristics of the cigarette, so that consumers can obtain more comfortable and fresh experience.
As the chemical substances in the content of the exploded beads can enter the body through the oral cavity when a consumer sucks the exploded bead cigarette, in order to match with the quality improvement work of the cigarette, a modern advanced instrument analysis method is adopted, the analysis work of the chemical substances in the content of the exploded beads is simply, quickly and effectively carried out, and the method has important significance for improving the safety of cigarette products. Because the chemical components in the content of the blasting beads are complex and the component contents are different, impurities are introduced into the blasting bead breaking means and the sample pretreatment method at present, the enrichment capacity of the blasting bead breaking means and the sample pretreatment method is not high, the sample is not easy to seal when being extracted, the sample is easy to lose, and the deviation between the detection result and the actual result is large, so that the development of the pretreatment device for detecting the chemical substances in the content of the blasting beads and the application are particularly important.
Disclosure of Invention
The utility model aims at providing a preceding processing apparatus that explodes pearl content chemical substance and detect has advantages such as quick, accurate, easy operation.
The utility model adopts the technical proposal that: pretreatment device for detecting chemical substances in explosive content
The device consists of a plastic pipe, a sampling needle cylinder, a sample pipe with a hole at the bottom, a plastic pipe cover, a sampling needle push rod, a sample pipe cover, a connecting strip and an extrusion plate; the sample needle is connected the sample cylinder, and the sample needle push rod is connected to the sample cylinder and constitutes the sampler, and it is intraductal that plastic tubing is arranged in to sample needle, sample cylinder, and the foraminiferous sample tube lower part in bottom is arranged in plastic tubing, and the sample tube lid connects with the sample mouth of pipe soon, and the sample tube lid is connected with connecting strip one end, and the connecting strip other end is connected with the stripper plate, and plastic tubing lid constitute airtight stock solution pipe.
The plastic pipe and the plastic pipe cover form a closed liquid storage pipe for extraction, separation and sample storage, and the scale on the liquid storage pipe is 0-10 mL.
The diameter of the sample tube cover is 1-3 cm, and the sample tube cover is screwed with the opening of the sample tube.
The connecting strips are used for connecting the sample tube cover and the extrusion plate, the number of the connecting strips is 2, the connecting strips are made of glass or hard plastic, and the diameter of the connecting strips is 2-5 mm.
The sample tube with the hole at the bottom is made of glass or hard plastic, and the diameter of the sample tube is 1-4 cm; the diameter of the small hole at the bottom is 1-2 mm, and the small hole is used for discharging the content of the exploded bead after the exploded bead is extruded and adding an extraction solvent in the extraction step.
The diameter of the sampling needle cylinder is 1-2 cm, the volume of the sampling needle cylinder is 1-10 mL, and the needle head of the sampling needle is lower than the liquid level of the extractant.
The bottom of the plastic pipe is provided with a control valve and a discharge pipe for discharging the content of the exploded beads.
The application of the pretreatment device for detecting the chemical substances in the content of the blasting beads comprises the following steps:
putting 0.1-1 g of blasting beads with the diameter of 2.5-5.0 mm into a sample tube with holes at the bottom, covering a sample tube cover, slowly screwing the sample cover to squeeze contents of the blasting beads to be collected to the bottom of a plastic tube, opening the sample tube cover, taking away wall materials of the blasting beads, adding 1-3 mL of methanol or ethanol extraction solution, and fully and uniformly mixing the solution with the samples of the contents of the blasting beads at the bottom; and pulling a sampling needle push rod outwards, taking 1-2 mL of uniformly mixed methanol or ethanol extract into a sampling needle cylinder, taking down the sampler, transferring the sample into a chromatographic bottle, and performing analysis and detection on chemical substances in the blasting bead content by using HS-SPME-GC/MS or GC/MS.
The utility model discloses a preceding processing apparatus that explodes pearl content chemical detection and application have following positive effect:
(1) the method has simple steps, sample introduction and analysis can be performed only by screwing the sample tube cover to extrude the blasting beads and extracting, the treatment steps are simple, and meanwhile, a one-stop pretreatment device is provided and is easy to popularize;
(2) the method has high accuracy, finishes pretreatment in a closed system, has simple steps, greatly reduces the loss of the analyte in the purification and transfer process, and increases the accuracy of the analysis process;
(3) the device is low in cost, and the plastic tube, the sampling needle cylinder, the sample tube with the hole at the bottom, the plastic tube cover, the threaded sample tube opening, the sampling needle push rod, the extracting agent, the threaded sample tube cover, the connecting strip or the supporting strip, the extrusion plate and the like which are related to the device are prepared from materials which are easily available in a laboratory, so that the cost is low;
(4) the method has the advantages of environment friendliness, good device tightness and difficult volatilization of samples, and reduces the pollution of the pretreatment process to the environment while improving the analysis accuracy.
(5) The device and the method are suitable for the bead blasting of cigarettes with different specifications such as fine-count cigarettes, medium-count cigarettes, ordinary cigarettes and coarse-count cigarettes, and are also suitable for analyzing and detecting chemical substances in the bead blasting contents of novel cigarette products such as heated non-burning cigarettes and electronic cigarettes.
Drawings
Fig. 1 is a schematic structural diagram of one embodiment of the pretreatment device for detecting the chemical substances in the content of the blasting beads according to the present invention.
Fig. 2 is a schematic structural diagram of one embodiment of the pretreatment device for detecting the chemical substances in the content of the blasting beads according to the present invention.
In FIGS. 1-2: 1-plastic tube, 2-sampling needle, 3-sampling needle cylinder, 4-blasting bead, 5-sample tube with hole at bottom, 6-plastic tube cover, 7-threaded sample tube mouth, 8-sampling needle push rod, 9-extractant, 10-blasting bead content, 11-sample tube cover, 12-connecting strip, 13-extrusion plate, 14-control valve and 15-discharge tube.
Detailed Description
It will be appreciated by those skilled in the art that the following examples are illustrative of the invention only and should not be taken as limiting the scope of the invention. The examples do not specify particular techniques or conditions, and are performed according to the techniques or conditions described in the literature in the art or according to the product specifications. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available by purchase.
The present invention will be further explained with reference to the accompanying drawings.
Example 1
As shown in figure 1, the utility model discloses a preceding processing apparatus that explodes pearl content chemical substance and detect comprises plastic tubing 1, sampling needle 2, sample cylinder 3, explode pearl 4, the foraminiferous sample cell 5 in bottom, plastic tube lid 6, sampling needle push rod 8, extractant 9, explode pearl content 10, sample tube lid 11, connecting strip 12, stripper plate 13. Sampling needle 2 connects sample cylinder 3, and sampling needle push rod 8 is connected to sample cylinder 3 constitutes the sampler, and in plastic tubing 1 was arranged in to sample needle 2, sample cylinder 3, plastic tubing 1 was arranged in to the foraminiferous sample cell 5 lower part in bottom, and sample tube lid 11 connects with sample tube mouth 7 soon, and sample tube lid 11 is connected with connecting strip 12 one end, and the connecting strip other end is connected with stripper plate 13, and plastic tubing 1 and plastic tube lid 6 constitute airtight stock solution pipe.
The sample tube cap and threaded sample tube orifice 7 compress the bead 4 to release the bead contents by the tightening process.
The closed liquid storage pipe formed by the plastic pipe 1 and the plastic pipe cover 6 is used for extracting, separating and storing samples, and scales of 0-10 mL are arranged on the liquid storage pipe.
The volume of the extracting agent 9 is 1-5 mL.
The diameter of the sample tube cover 11 is 1-3 cm, and the sample tube cover and the threaded sample tube opening 7 form a bead blasting and breaking space through rotation.
The connecting strips 12 are used for connecting the sample tube cover 11 and the extrusion plate 13, the number of the connecting strips is 2, the connecting strips are made of glass or hard plastic, and the diameter of the connecting strips is 2-5 mm.
The sample tube 5 with the hole at the bottom is made of glass or hard plastic and has the diameter of 1-4 cm; the diameter of the small hole at the bottom is 1-2 mm, and the small hole is used for discharging the content of the exploded bead after the exploded bead is extruded and adding an extraction solvent in the extraction step.
The diameter of the sampling needle cylinder 3 is 1-2 cm, and the volume is 1-10 mL; the sampling needle 2 extends into the extractant 9.
As shown in fig. 2, the bottom of the plastic tube 1 is provided with a control valve 14 and a discharge pipe 15 for discharging the content of the exploded beads.
Application example 1:
putting 0.1 g of blasting beads 6 with the diameter of 2.5 mm into a sample tube 5 with holes at the bottom, covering a sample tube cover 11, slowly screwing the sample tube cover 11 and a thread sample bottle opening 7 to burst the blasting beads and collect the contents to the bottom of the plastic tube 1, opening the sample tube cover, taking away the wall materials of the blasting beads, adding 2 mL of methanol extraction solution, and fully and uniformly mixing the methanol extraction solution with the blasting bead content samples at the bottom; and (3) pulling a sampling needle push rod 8 outwards, taking 1 mL of uniformly mixed methanol extract into a sampling needle cylinder 3, taking down the sampler, transferring the sample into a chromatographic bottle, and carrying out analysis and detection on chemical substances in the blasting bead content by using HS-SPME-GC/MS. The utility model is used for the detection of explode pearl content chemical substance has advantages such as quick, accurate, easy operation.
Claims (7)
1. The utility model provides a preceding processing apparatus that explodes pearl content chemical detection which characterized in that: the device consists of a plastic pipe (1), a sampling needle (2), a sampling needle cylinder (3), a sample tube (5) with a hole at the bottom, a plastic pipe cover (6), a sampling needle push rod (8), a sample tube cover (11), a connecting strip (12) and an extrusion plate (13); sampling needle cylinder (3) is connected in sampling needle (2), sampling needle push rod (8) constitution sampler is connected in sampling needle cylinder (3), sampling needle (2), plastic tubing (1) is arranged in sampling needle cylinder (3), plastic tubing (1) is arranged in to foraminiferous sample cell (5) lower part in bottom, sample tube cap (11) connect with sample mouth of pipe (7) soon, sample tube cap (11) are connected with connecting strip (12) one end, the connecting strip other end is connected with stripper plate (13), plastic tubing (1) and plastic tube cap (6) constitute airtight stock solution pipe.
2. The pretreatment device for detecting the chemical substances in the content of the popped beads according to claim 1, wherein: the lower part of the plastic pipe (1) is a cone, and scales of 0-10 mL are arranged on the cone.
3. The pretreatment device for detecting the chemical substances in the content of the popped beads according to claim 1, wherein: the diameter of the sample tube cover (11) is 1-3 cm, and the sample tube cover is screwed with the sample tube opening (7).
4. The pretreatment device for detecting the chemical substances in the content of the popped beads according to claim 1, wherein: the connecting strip (12) are used for connecting the sample tube cover (11) and the extrusion plate (13), the number of the connecting strip is 2, the connecting strip is made of glass or hard plastic, and the diameter of the connecting strip is 2-5 mm.
5. The pretreatment device for detecting the chemical substances in the content of the popped beads according to claim 1, wherein: the sample tube (5) with the hole at the bottom is made of glass or hard plastic, and the diameter is 1-4 cm; the diameter of the small hole at the bottom is 1-2 mm.
6. The pretreatment device for detecting the chemical substances in the content of the popped beads according to claim 1, wherein: the diameter of the sampling needle cylinder (3) is 1-2 cm, and the volume is 1-10 mL.
7. The pretreatment device for detecting the chemical substances in the content of the popped beads according to claim 1, wherein: the bottom of the plastic pipe (1) is provided with a control valve (14) and a discharge pipe (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021726010.0U CN212780671U (en) | 2020-08-18 | 2020-08-18 | Pretreatment device for detecting chemical substances in explosive content |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021726010.0U CN212780671U (en) | 2020-08-18 | 2020-08-18 | Pretreatment device for detecting chemical substances in explosive content |
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| Publication Number | Publication Date |
|---|---|
| CN212780671U true CN212780671U (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021726010.0U Active CN212780671U (en) | 2020-08-18 | 2020-08-18 | Pretreatment device for detecting chemical substances in explosive content |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116948800A (en) * | 2023-09-19 | 2023-10-27 | 深圳市第二人民医院(深圳市转化医学研究院) | Gastrointestinal flora sampling device |
-
2020
- 2020-08-18 CN CN202021726010.0U patent/CN212780671U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116948800A (en) * | 2023-09-19 | 2023-10-27 | 深圳市第二人民医院(深圳市转化医学研究院) | Gastrointestinal flora sampling device |
| CN116948800B (en) * | 2023-09-19 | 2024-01-05 | 深圳市第二人民医院(深圳市转化医学研究院) | Gastrointestinal flora sampling device |
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