CN216669834U - Auxiliary device suitable for ICP-MS interior label fast conversion - Google Patents
Auxiliary device suitable for ICP-MS interior label fast conversion Download PDFInfo
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- CN216669834U CN216669834U CN202122929403.2U CN202122929403U CN216669834U CN 216669834 U CN216669834 U CN 216669834U CN 202122929403 U CN202122929403 U CN 202122929403U CN 216669834 U CN216669834 U CN 216669834U
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- passageway
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- pfa
- internal standard
- hard tube
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- 238000001095 inductively coupled plasma mass spectrometry Methods 0.000 title claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 20
- 210000002421 cell wall Anatomy 0.000 claims abstract 6
- 239000000243 solution Substances 0.000 abstract description 20
- 239000008367 deionised water Substances 0.000 abstract description 14
- 229910021641 deionized water Inorganic materials 0.000 abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 14
- 239000012086 standard solution Substances 0.000 abstract description 10
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 abstract description 9
- 229910017604 nitric acid Inorganic materials 0.000 abstract description 9
- 238000001514 detection method Methods 0.000 abstract description 8
- 239000007788 liquid Substances 0.000 abstract description 8
- 238000012864 cross contamination Methods 0.000 abstract description 7
- 239000000853 adhesive Substances 0.000 abstract description 5
- 230000001070 adhesive effect Effects 0.000 abstract description 5
- 241000208125 Nicotiana Species 0.000 abstract description 4
- 235000002637 Nicotiana tabacum Nutrition 0.000 abstract description 4
- 230000002572 peristaltic effect Effects 0.000 description 18
- 239000000463 material Substances 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
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Abstract
The utility model relates to an auxiliary device suitable for ICP-MS interior label rapid conversion, and belongs to the technical field of tobacco equipment pipeline conversion auxiliary devices. The rotary disk inside be equipped with horizontal channel D, the passageway both ends pierce through the rotary disk edge, circumference evenly is equipped with horizontal channel A, passageway B, the passageway C of intercommunication fixed disk outer wall on the cylinder groove cell wall of fixed disk, passageway A, passageway B, passageway C highly and be in the aperture and the passageway D phase-match of cylinder groove cell wall one end, inside all installs interior mark PFA hard tube, the outer end of interior mark PFA hard tube stretches out the fixed disk outer wall. According to the utility model, the rapid conversion among the deionized water, the 5% dilute nitric acid solution and the internal standard solution can be realized without frequently taking and placing the internal standard tube, so that the cross contamination among solutions caused by the adhesive liquid on the inner wall and the outer wall of the internal standard tube when the pipeline is converted in the conventional operation is effectively avoided, the operation steps are simple, the working efficiency is improved, and the accuracy of the detection result is ensured.
Description
Technical Field
The utility model belongs to the technical field of auxiliary devices for pipeline conversion of tobacco equipment, and particularly relates to an auxiliary device suitable for ICP-MS internal standard rapid conversion.
Background
The indexes of inorganic elements in the tobacco material are important hygienic indexes influencing the safety of the tobacco material product. At present, the analysis of inorganic elements in the cigarette material in the industry adopts the standard of determination of residual amounts of chromium, nickel, arsenic, selenium, cadmium, mercury and lead in YC/T316-2014 cigarette material-inductively coupled plasma mass spectrometry, and the operation proficiency of workers on an ICP-MS (inductively coupled plasma mass spectrometry) instrument influences the stability and the accuracy of a detection result.
In the operation steps of ICP-MS, an internal standard tube needs to be placed into deionized water before ignition, an instrument automatically absorbs tuning liquid to correct the instrument after ignition, sample information needs to be edited and a sample list needs to be operated after the instrument is corrected, the internal standard tube needs to be converted and placed into an internal standard solution before the sample list starts to be operated, and the internal standard tube needs to be placed into the deionized water again after the operation is finished. In the conventional operation, the staff manually interconverts the interior mark pipe in deionized water and interior mark solution, and the operation is repeated, loaded down with trivial details and easily omit, and cross contamination between the solution that interior mark intraductal wall and outer wall adhesion liquid lead to directly influences the accuracy of testing result and the work efficiency who detects when the pipeline is switched simultaneously.
Therefore, it is necessary to provide an auxiliary device suitable for ICP-MS internal standard fast conversion, which effectively avoids cross contamination between solutions caused by internal standard tube inner wall and external wall adhesive liquid when converting a pipeline in conventional operation, improves working efficiency, and ensures accuracy of detection results.
SUMMERY OF THE UTILITY MODEL
The utility model provides an auxiliary device suitable for ICP-MS internal standard rapid conversion, which effectively avoids the cross contamination between solutions caused by the internal standard pipe inner wall and external wall adhesive liquid during the pipeline conversion in the conventional operation, improves the working efficiency and ensures the accuracy of the detection result.
In order to realize the purpose, the utility model is realized by the following technical scheme:
the utility model provides an auxiliary device suitable for ICP-MS internal standard fast conversion, which comprises a rotating disk 1, a fixed disk 2 and a handle 3; the fixed disk 2 is a cylindrical disk with a cylindrical groove formed in the top, the bottom surface of the fixed disk is fixed on an instrument shell, the rotating disk 1 is rotatably installed in the cylindrical groove in a matched mode, and the handle 3 is installed at the top.
The rotary disk 1 is internally provided with a 120-degree-angle horizontal channel D8 taking a cylindrical central shaft as a vertex, two ends of the channel penetrate through the edge of the rotary disk 1, the cylindrical groove wall of the fixed disk 2 is circumferentially and uniformly provided with a horizontal channel A5 communicated with the outer wall of the fixed disk 2, a channel B6 and a channel C7, the channel A5, a channel B6, the height of the channel C7 and the aperture at one end of the cylindrical groove wall are matched with the channel D8, an internal standard PFA hard tube 9 is internally installed, the outer end of the internal standard PFA hard tube 9 extends out of the outer wall surface of the fixed disk 2, and the channel A5, the channel B6 and one end of the channel C7 at the cylindrical groove wall and two ends of the channel D8 are respectively provided with positioning lines 10.
Preferably, the bottom surface of the fixed disk 2 is embedded with a sucker 4, and the fixed disk is adsorbed and fixed on the instrument shell through the sucker 4.
Preferably, the aperture of the channel D8 is matched with the diameter of an internal standard PFA hard tube 9, the channel a5, the channel B6 and the channel C7 are circular straight channels matched with the aperture of the channel D8, and the internal standard PFA hard tube 9 is respectively fixed in the channel a5, the channel B6 and the channel C7.
Preferably, the channel a5, the channel B6 and the channel C7 are truncated cone-shaped channels, the small-aperture section is located on one side of the wall of the cylindrical groove and is matched with the aperture of the channel D8, the large-aperture section is provided with internal threads and is communicated with the outer wall surface of the fixed disc 2, the step surface of the large-aperture section is provided with an internal standard PFA hard tube fixing pad 11, a fastening screw 12 is matched with the threads and is installed on the large-aperture section of the channel, through holes communicated with the small-aperture section are formed in the centers of the internal standard PFA hard tube fixing pad 11 and the fastening screw 12, the internal standard PFA hard tube 9 penetrates through the central through hole of the fastening screw 12, one end of the internal standard PFA hard tube fixing pad 11 is fixed on the internal standard PFA hard tube fixing pad 11, and the other end of the internal standard PFA hard tube fixing pad extends out of the outer wall surface of the fixed disc 2.
The utility model has the beneficial effects that:
the method can realize the rapid conversion among the deionized water, the 5% dilute nitric acid solution and the internal standard solution without frequently taking and placing the internal standard tube, effectively avoids the cross contamination among the solutions caused by the adhesive liquid on the inner wall and the outer wall of the internal standard tube when the pipeline is converted in the conventional operation, has simple operation steps, improves the working efficiency and ensures the accuracy of the detection result.
Drawings
FIG. 1 is a schematic perspective view of example 1 of the present invention;
FIG. 2 is a schematic top view of the structure of embodiment 1 of the present invention;
FIG. 3 is a schematic perspective view of example 2 of the present invention;
FIG. 4 is a schematic top view of embodiment 2 of the present invention;
fig. 5 is a schematic view of the connection structure of the internal standard PFA rigid tube in embodiment 2 of the present invention.
In the figure, 1-rotating disc, 2-fixed disc, 3-handle, 4-sucker, 5-channel A, 6-channel B, 7-channel C, 8-channel D, 9-internal standard PFA hard tube, 10-positioning line, 11-internal standard PFA hard tube fixing pad and 12-fastening screw.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings to facilitate understanding of the skilled person.
Example 1
As shown in fig. 1-2, the auxiliary device suitable for ICP-MS internal standard fast conversion comprises a rotating disk 1, a fixed disk 2 and a handle 3; the hard disc of certain thickness that rotary disk 1 and fixed disk 2 were corrosion resistant material and make, the cylinder dish in cylinder groove is seted up for the top to fixed disk 2, the bottom surface is fixed on the instrument housing, rotary disk 1 matches and rotates and installs in the cylinder inslot, handle 3 is installed at rotary disk 1 top, can drive rotary disk 1 at the cylinder inslot internal rotation of fixed disk 2 through handle 3, rotary disk 1 can be dismantled, convenient the washing, when rotary disk 1 or fixed disk 2 damage, removable single part, need not to change whole auxiliary device, it has sucking disc 4 to inlay on the 2 bottom surfaces of fixed disk, sucking disc 4 is the magnetic ring that magnetic material made, fix fixed disk 2 on the different positions of full-automatic sample injector housing through magnetic force, satisfy actual demand.
The rotary disk 1 is internally provided with a 120-degree horizontal channel D8 taking a cylindrical central shaft as a vertex, two ends of the channel penetrate through the edge of the rotary disk 1, the cylindrical groove wall of the fixed disk 2 is circumferentially and uniformly provided with a horizontal channel A5, a channel B6 and a channel C7 which are communicated with the outer wall of the fixed disk 2, the channel A5, the channel B6 and the channel C7 are matched with the channel D8 in height and aperture at one end of the cylindrical groove wall, an internal standard PFA hard tube 9 is internally installed, the outer end of the internal standard PFA hard tube 9 extends out of the outer wall surface of the fixed disk 2, and the channel A5, the channel B6 and one end of the channel C7 at the cylindrical groove wall and two ends of the channel D8 are respectively provided with positioning lines 10 for accurately positioning and indicating the inlet and the outlet of each channel.
The aperture of the channel D8 is matched with the pipe diameter of the internal standard PFA hard tube 9, the channel A5, the channel B6 and the channel C7 are round straight channels matched with the aperture of the channel D8, the sealing performance of the interface is ensured to be good, the internal standard PFA hard tube 9 is respectively fixed in the channel A5, the channel B6 and the channel C7, liquid does not leak when the solution flows, and the flow rate is stable.
The using principle is that the handle 3 is held to drive the rotating disc 1 to rotate until the positioning lines 10 at the two ends of the channel D8 are respectively aligned with the positioning lines 10 at the ends of the channel A5 and the channel B6, so that the channel A5, the channel D8 and the channel B6 are communicated, as shown in figure 1, the channel A5 is connected to an internal standard PFA hard tube 9 of the peristaltic pump, and the channel B6 is communicated with deionized water or 5% nitric acid solution through the internal standard PFA hard tube 9; holding the handle 3 and driving the rotating disc 1 to rotate to the positioning lines 10 at the two ends of the channel D8 to be respectively aligned with the positioning lines 10 at the ends of the channel A5 and the channel C7, communicating the channel A5, the channel D8 and the channel C7, accessing the channel A5 into the internal standard PFA hard tube 9 of the peristaltic pump, communicating the channel C7 with an internal standard solution (IS) through the internal standard PFA hard tube 9, and accessing the channel A5 of the internal standard PFA hard tube 9 of the peristaltic pump for flowing out deionized water, the internal standard solution and 5% nitric acid solution to enter an internal standard pipeline.
When ICP-MS detection operation is carried out, the handle 3 is held before ignition to drive the rotating disc 1 to rotate to be communicated with the channel A5, the channel D8 and the channel B6, so that deionized water flows through the internal standard PFA hard tube 9 of the peristaltic pump; before starting to run a sample list after ignition and instrument correction are finished, holding the handle 3 to drive the rotating disc 1 to rotate to communicate the channel A5, the channel D8 and the channel C7, so that an internal standard solution flows through an internal standard PFA hard tube 9 of the peristaltic pump; after the operation of the instrument is finished, the handle 3 is held again to drive the rotating disc 1 to rotate to communicate the channel A5, the channel D8 and the channel B6, so that only deionized water flows through the internal standard PFA hard tube 9 of the peristaltic pump. When ICP-MS instrument pipeline cleaning maintenance is carried out, the handle 3 is held to drive the rotating disc 1 to rotate to communicate the channel A5, the channel D8 and the channel B6, after the peristaltic pump is started, 5% nitric acid solution flows in the internal standard PFA hard tube 9 of the peristaltic pump, internal standard pipelines of the peristaltic pump are cleaned, and cross contamination among solutions caused by adhesive liquid on the inner wall and the outer wall of the internal standard PFA hard tube 9 during pipeline conversion in conventional operation is effectively avoided.
Example 2
As shown in fig. 3-5, the auxiliary device suitable for ICP-MS internal standard fast conversion comprises a rotating disk 1, a fixed disk 2 and a handle 3; the hard disc of certain thickness that rotary disk 1 and fixed disk 2 were corrosion resistant material and make, the cylinder dish in cylinder groove is seted up for the top to fixed disk 2, the bottom surface is fixed on the instrument housing, rotary disk 1 matches and rotates and installs in the cylinder inslot, handle 3 is installed at rotary disk 1 top, can drive rotary disk 1 at the cylinder inslot internal rotation of fixed disk 2 through handle 3, rotary disk 1 can be dismantled, convenient the washing, when rotary disk 1 or fixed disk 2 damage, removable single part, need not to change whole auxiliary device, it has sucking disc 4 to inlay on the 2 bottom surfaces of fixed disk, sucking disc 4 is the magnetic ring that magnetic material made, fix fixed disk 2 on the different positions of full-automatic sample injector housing through magnetic force, satisfy actual demand.
The rotary disk 1 is internally provided with a 120-degree horizontal channel D8 taking a cylindrical central shaft as a vertex, two ends of the channel penetrate through the edge of the rotary disk 1, the cylindrical groove wall of the fixed disk 2 is circumferentially and uniformly provided with a horizontal channel A5, a channel B6 and a channel C7 which are communicated with the outer wall of the fixed disk 2, the channel A5, the channel B6 and the channel C7 are matched with the channel D8 in height and aperture at one end of the cylindrical groove wall, an internal standard PFA hard tube 9 is internally installed, the outer end of the internal standard PFA hard tube 9 extends out of the outer wall surface of the fixed disk 2, and the channel A5, the channel B6 and one end of the channel C7 at the cylindrical groove wall and two ends of the channel D8 are respectively provided with positioning lines 10 for accurately positioning and indicating the inlet and the outlet of each channel.
The channel A5, the channel B6 and the channel C7 are truncated cone-shaped channels, the small aperture section is positioned at one side of the groove wall of the cylindrical groove, the inner standard PFA hard tube fixing pad 11 is installed at the step surface of the large aperture section, the inner standard PFA hard tube fixing pad 11 is an elastic circular ring made of corrosion-resistant materials and provided with a certain thickness, a fastening screw 12 is installed at the large aperture section of the channel in a matching threaded mode, through holes communicated with the small aperture section are formed in the centers of the inner standard PFA hard tube fixing pad 11 and the fastening screw 12, the inner standard PFA hard tube 9 penetrates through the through hole in the center of the fastening screw 12, one end of the inner standard PFA hard tube fixing pad 11 is fixed to the other end of the inner standard PFA hard tube fixing pad, the other end of the inner standard PFA hard tube fixing pad extends out of the outer wall surface of the fixed disk 2, the inner standard PFA hard tube fixing pad 11 and the fastening screw 12 play a role in fixing the inner standard PFA hard tube 9 to be fixed and sealing a pipeline interface, leakage of a solution is prevented, and flow rate stability is guaranteed.
The using principle is that the handle 3 is held to drive the rotating disc 1 to rotate until the positioning lines 10 at the two ends of the channel D8 are respectively aligned with the positioning lines 10 at the ends of the channel A5 and the channel B6, so that the channel A5, the channel D8 and the channel B6 are communicated, as shown in figure 3, the channel A5 is connected to an internal standard PFA hard tube 9 of the peristaltic pump, and the channel B6 is communicated with deionized water or 5% nitric acid solution through the internal standard PFA hard tube 9; holding the handle 3 and driving the rotating disc 1 to rotate to the positioning lines 10 at the two ends of the channel D8 to be respectively aligned with the positioning lines 10 at the ends of the channel A5 and the channel C7, communicating the channel A5, the channel D8 and the channel C7, accessing the channel A5 into the internal standard PFA hard tube 9 of the peristaltic pump, communicating the channel C7 with an internal standard solution (IS) through the internal standard PFA hard tube 9, and accessing the channel A5 of the internal standard PFA hard tube 9 of the peristaltic pump for flowing out deionized water, the internal standard solution and 5% nitric acid solution to enter an internal standard pipeline.
When ICP-MS detection operation is carried out, the handle 3 is held before ignition to drive the rotating disc 1 to rotate to be communicated with the channel A5, the channel D8 and the channel B6, so that deionized water flows through the internal standard PFA hard tube 9 of the peristaltic pump; before starting to run a sample list after ignition and instrument correction are finished, holding the handle 3 to drive the rotating disc 1 to rotate to communicate the channel A5, the channel D8 and the channel C7, so that an internal standard solution flows through an internal standard PFA hard tube 9 of the peristaltic pump; after the operation of the instrument is finished, the handle 3 is held again to drive the rotating disc 1 to rotate to communicate the channel A5, the channel D8 and the channel B6, so that only deionized water flows through the internal standard PFA hard tube 9 of the peristaltic pump. When ICP-MS instrument pipeline cleaning maintenance is carried out, the handle 3 is held to drive the rotating disc 1 to rotate to be communicated with the channel A5, the channel D8 and the channel B6, after the peristaltic pump is started, 5% nitric acid solution flows in the internal standard PFA hard tube 9 of the peristaltic pump, and the internal standard pipeline of the peristaltic pump is cleaned.
The method can realize the rapid conversion among the deionized water, the 5% dilute nitric acid solution and the internal standard solution without frequently taking and placing the internal standard PFA hard tube 9, effectively avoids the cross contamination among solutions caused by the adhesion of the inner wall and the outer wall of the internal standard PFA hard tube 9 when pipelines are converted in the conventional operation, has simple operation steps, improves the working efficiency and ensures the accuracy of the detection result.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the utility model, and that, although the utility model has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the utility model as defined by the appended claims.
Claims (4)
1. An auxiliary device suitable for ICP-MS interior label fast switching is characterized in that: the auxiliary device suitable for ICP-MS internal standard fast conversion comprises a rotating disc (1), a fixed disc (2) and a handle (3); the fixed disc (2) is a cylindrical disc with a cylindrical groove formed in the top, the bottom surface of the fixed disc is fixed on an instrument shell, the rotating disc (1) is rotatably installed in the cylindrical groove in a matched mode, and the top of the rotating disc is provided with a handle (3);
rotary disk (1) inside be equipped with and use the cylinder center pin to be 120 horizontal passage D (8) of angle as the summit, the passageway both ends pierce through rotary disk (1) edge, circumference evenly is equipped with horizontal passage A (5) that communicate fixed disk (2) outer wall on the cylinder groove cell wall of fixed disk (2), passageway B (6), passageway C (7), passageway A (5), passageway B (6), the height of passageway C (7) and the aperture and the passageway D (8) phase-match that are in cylinder groove cell wall one end, inside all installs interior mark PFA hard tube (9), the outer end of interior mark PFA hard tube (9) stretches out fixed disk (2) outer wall, passageway A (5), passageway B (6), the one end that passageway C (7) are in the cylinder groove cell wall and the both ends of passageway D (8) all are equipped with location line (10).
2. An auxiliary device suitable for ICP-MS internal standard fast conversion according to claim 1, wherein: the bottom surface of the fixed disc (2) is inlaid with a sucker (4) and is fixed on the instrument shell through the sucker (4).
3. An auxiliary device suitable for fast conversion of an ICP-MS internal standard according to claim 1 or 2, characterized in that: passageway D (8) aperture and interior mark PFA hard tube (9) pipe diameter match, passageway A (5), passageway B (6), passageway C (7) be with passageway D (8) aperture assorted circle straight channel, interior mark PFA hard tube (9) is fixed respectively in passageway A (5), passageway B (6), passageway C (7).
4. An auxiliary device suitable for fast conversion of an ICP-MS internal standard according to claim 1 or 2, characterized in that: passageway A (5), passageway B (6), passageway C (7) are round platform shape passageway, the aperture section is in cylindrical groove cell wall one side, with passageway D (8) aperture phase-match, the aperture section has the internal thread, intercommunication fixed disk (2) outer wall, large aperture section step department installs interior mark PFA hard tube fixing pad (11), fastening screw (12) matching thread installs the large aperture section at the passageway, interior mark PFA hard tube fixing pad (11) and fastening screw (12) center are equipped with the through-hole that communicates with the aperture section, interior mark PFA hard tube (9) pass fastening screw (12) central through-hole, one end is fixed on interior mark PFA hard tube fixing pad (11), the other end stretches out fixed disk (2) outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122929403.2U CN216669834U (en) | 2021-11-26 | 2021-11-26 | Auxiliary device suitable for ICP-MS interior label fast conversion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122929403.2U CN216669834U (en) | 2021-11-26 | 2021-11-26 | Auxiliary device suitable for ICP-MS interior label fast conversion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216669834U true CN216669834U (en) | 2022-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122929403.2U Active CN216669834U (en) | 2021-11-26 | 2021-11-26 | Auxiliary device suitable for ICP-MS interior label fast conversion |
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| Country | Link |
|---|---|
| CN (1) | CN216669834U (en) |
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