CN110876991A - Atomizer for evaporative light scattering detector - Google Patents
Atomizer for evaporative light scattering detector Download PDFInfo
- Publication number
- CN110876991A CN110876991A CN201911336502.0A CN201911336502A CN110876991A CN 110876991 A CN110876991 A CN 110876991A CN 201911336502 A CN201911336502 A CN 201911336502A CN 110876991 A CN110876991 A CN 110876991A
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- China
- Prior art keywords
- atomizer
- capillary
- light scattering
- scattering detector
- gas passage
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- 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.)
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- 238000000105 evaporative light scattering detection Methods 0.000 title claims abstract description 19
- 238000007789 sealing Methods 0.000 claims description 18
- 239000006199 nebulizer Substances 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000000149 argon plasma sintering Methods 0.000 claims description 2
- 238000001704 evaporation Methods 0.000 claims description 2
- 238000000889 atomisation Methods 0.000 abstract description 15
- 239000007788 liquid Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 13
- 238000000034 method Methods 0.000 description 8
- 238000012856 packing Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002663 nebulization Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
- B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
- B05B7/0441—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with one inner conduit of liquid surrounded by an external conduit of gas upstream the mixing chamber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
- B05B7/2483—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device the supplying means involving no pressure or aspiration, e.g. means involving gravity or capillarity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
- B05B7/2489—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device an atomising fluid, e.g. a gas, being supplied to the discharge device
- B05B7/2491—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device an atomising fluid, e.g. a gas, being supplied to the discharge device characterised by the means for producing or supplying the atomising fluid, e.g. air hoses, air pumps, gas containers, compressors, fans, ventilators, their drives
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses an atomizer for an evaporative light scattering detector, which comprises an atomizer main body, wherein an atomizer head is installed on the atomizer main body, a detachable adjusting two-way is installed on the atomizer main body, a liquid inlet pipe is installed on the adjusting two-way, a flow channel communicated with the liquid inlet pipe is arranged on the adjusting two-way, a capillary tube communicated with the flow channel is detachably connected to the outlet end of the adjusting two-way, the atomizer main body is provided with a central gas channel, a first gas channel and a second gas channel which are obliquely arranged and communicated with two sides of the central gas channel, a third gas channel communicated with the central gas channel is arranged on the atomizer head, the capillary tube extends into the third gas channel and is contracted in the third gas channel, and a gap is reserved between the outer wall of the capillary tube and the inner wall of the third gas channel. The invention can effectively improve the stability of atomization, and the capillary tube is convenient to disassemble and maintain.
Description
Technical Field
The invention relates to the technical field of chemical analysis and detection, in particular to an atomizer for an evaporative light scattering detector.
Background
The stability of the atomization of the existing atomizer for the detector of the evaporative light scattering detector mainly depends on two aspects, namely whether the temperature can be stably controlled or not and whether the capillary tube shakes or not.
The applicant has previously filed an invention patent with publication number CN208230156U entitled temperature-controlled atomizer for evaporative light scattering detector, and discloses a temperature-controlled atomizer comprising an atomizer main body, an atomizer head arranged on the front side of the atomizer main body, an adjusting device arranged on the rear side of the atomizer main body, the adjusting device connected with a capillary tube, the adjusting device comprising an adjusting screw, the capillary tube connected with the atomizer main body through the adjusting screw, and a heating device arranged on the outer side of the capillary tube. The invention can solve the problems of low assembly and debugging efficiency, poor consistency, influence on sensitivity and baseline noise caused by low-temperature working and the like of the atomizer of the evaporative light scattering detector, and has the advantages of convenient adjustment, good consistency, reliable performance, good and better atomization effect after temperature control and the like. "
Although the above patent addresses the problem of temperature control, it does not address the problem of capillary tube flutter during atomization. In the prior art, the length of a capillary tube is generally long, generally about 51mm, so that the capillary tube is easy to shake in the atomization process, and the atomization effect is influenced.
Disclosure of Invention
In view of the shortcomings of the background art, the present invention provides a nebulizer for an evaporative light scattering detector that solves the technical effects of how to effectively improve the stability of nebulization and facilitate the removal of a capillary tube.
In order to solve the technical problems, the invention provides the following technical scheme:
an atomizer for evaporating light scattering detector, including the atomizer main part, install the atomizer head in the atomizer main part, install detachable in the atomizer main part and adjust two leads to, adjust two lead to on install the feed liquor pipe and be equipped with the communicating runner of feed liquor pipe, the exit end detachably who adjusts two leads to be connected with the communicating capillary of runner, the atomizer main part be equipped with central gas passage and communicate in the first gas passage and the second gas passage of the slant setting of central gas passage both sides, be equipped with on the atomizer with the third gas passage that central gas passage is linked together, the capillary stretches into third gas passage contracts wherein, the outer wall of capillary with leave the clearance between the inner wall of third gas passage.
Adjust two logical threaded connection in the atomizer main part is last and is locked by set nut, adjust threaded connection feed liquor pipe screw on two logical, install on the feed liquor pipe screw the feed liquor pipe.
And the threads of the adjusting two-way joint, the positioning nut and the connecting end surface of the atomizer main body are precise threads.
The peripheral wall of the two adjusting channels is provided with a first sealing groove, and a first sealing gasket is arranged in the first sealing groove.
Adjust the exit end of two-way and stretch into in the central gas passage to be connected with fixation nut, the feed liquor end of capillary suit second is sealed to fill up and the fixing base in proper order, fixation nut has and holds the second is sealed to fill up the fixing base and make the chamber that holds that the capillary passes through.
The third gas channel is arranged in a funnel shape and comprises a conical part and a through hole communicated with the conical part, and the outlet end of the capillary tube is arranged in the through hole.
The inner diameter of the capillary is 0.3-0.6mm, the outer diameter is 0.4-0.75mm, and the inner diameter of the circulation hole is 0.5-0.85 mm.
The distance between the end face of the capillary and the end face of the atomizer head is 0.35-0.85 mm.
The length of the capillary tube is 4-12 mm.
The end face of the atomizer main body is provided with a second sealing groove and a plurality of threaded holes, a third sealing gasket is installed in the second sealing groove, and the end face of the atomizer head is provided with an adjusting screw hole matched with the threaded holes.
Compared with the prior art, the invention has the beneficial effects that: the invention adopts a more reliable and simpler structure, so that a shorter capillary tube can be used, and the problem of shaking of the capillary tube in the atomization process is thoroughly solved. Meanwhile, the atomizer head is also improved, and a funnel-shaped third gas channel is added, so that the gas can be better guided; the first gas channel and the second gas channel which are obliquely arranged are also arranged, so that no micro gas vortex phenomenon can be generated in the gas flowing and atomizing process. And because the inner diameter of the capillary tube of the atomizer is small, the capillary tube is easy to block in the using process, the replacement of the capillary tube of the traditional atomizer is inconvenient, the capillary tube is fixed on the fixed seat by the structure of the invention, and if the capillary tube is blocked, the capillary tube can be easily replaced only by detaching the positioning nut and adjusting the two-way valve, thereby saving the maintenance cost of customers.
Drawings
The invention has the following drawings:
FIG. 1 is a schematic cross-sectional view of the present invention;
fig. 2 is a bottom view of the present invention.
Detailed Description
As shown in the figures, the atomizer for the evaporative light scattering detector in this embodiment includes an atomizer main body 1, an atomizer head 2 is installed on the atomizer main body 1, a detachable adjusting two-way 3 is installed on the atomizer main body 1, a liquid inlet pipe 4 is installed on the adjusting two-way 3 and a flow passage 31 communicated with the liquid inlet pipe 4 is provided, an outlet end of the adjusting two-way 3 is detachably connected with a capillary 5 communicated with the flow passage 31, the atomizer main body 1 is provided with a central gas passage 11 and obliquely arranged first and second gas passages 12 and 13 communicated with both sides of the central gas passage 11, the first gas passage 12 is connected with a first pipeline adapter 6, the second gas passage 13 is connected with a second pipeline adapter 7, the atomizer head 2 is provided with a third gas passage 21 communicated with the central gas passage 11, and the obliquely arranged first and second gas passages 12 and 13, the gas can smoothly reach the third gas passage 21 without any minute gas vortex phenomenon in the process of flowing and atomizing the gas. The capillary 5 extends into the third gas channel 21 and contracts in the third gas channel 21, a gap is reserved between the outer wall of the capillary 5 and the inner wall of the third gas channel 21, the gap is mainly used for enabling gas to pass through at a high speed, the gas is sprayed out from the gap between the atomizer head 2 and the capillary 5 at a high speed at the flow through hole 211, liquid which just flows out from the tail end of the capillary 5 is smashed, and the atomization effect is further achieved.
In this embodiment, adjust two logical 3 and realize detachable technological effect with following connection structure: adjust 3 threaded connection of two leads to on atomizer main part 1 and by set nut 8 locking, adjust threaded connection feed liquor pipe screw 9 on the two leads to 3, install feed liquor pipe 4 on the feed liquor pipe screw 9. In order to improve the precision of adjustment, the threads of the adjusting two-way valve 3, the positioning nut 8 and the connecting end surface of the atomizer body 1 are all precision threads.
In this embodiment, in order to improve the sealing property between the two-way regulator 3 and the atomizer body 1, the peripheral wall of the two-way regulator 3 is provided with a first seal groove 32, and the first seal gasket 10 is mounted in the first seal groove 32.
In this embodiment, adjust in two logical 3 exit ends stretch into central gas channel 11, and be connected with fixation nut 14, suit second packing pad 15 and fixing base 16 on the outer wall of the inlet end of capillary 5 in proper order, wherein, capillary 5 seals up 15 with the second and closely cooperates, technical effect in order to realize that capillary 5 is embraced tightly by second packing pad 15, second packing pad 15 has an effect, second packing pad 15 has certain thickness usually, and can tightly support when adjusting two logical 3 and fixation nut 14 and adjust two logical 3, prevent to adjust and produce the gap between two logical 3 and the terminal surface of capillary 5, improve sealing effect between them, and switch on capillary 5 and runner 31. In addition, the fixing seat 16 is made of steel, the second gasket 15 and the fixing seat 16 are welded by laser, and the fixing nut 14 has an accommodating cavity for accommodating the second gasket 15, the fixing seat 16 and the capillary 5. This kind of structure cooperation detachable adjusts two logical 3 can realize assembling capillary 5 conveniently on the atomizer or from the technical effect that the atomizer was dismantled to solve traditional capillary 5 and dismantle inconvenient problem, effectively reduce cost of maintenance. In order to precisely adjust the position of the capillary 5, the connecting threads between the fixing nut 14 and the adjusting two-way pipe 3 are both precise threads.
In this embodiment, the third gas passage 21 is formed in a funnel shape including a tapered portion and a flow hole 211 communicating with the tapered portion, and the outlet end of the capillary 5 is placed in the flow hole 211. The structure can realize that the gas introduced into the third gas channel 21 flows obliquely, and can effectively guide the gas, thereby further improving the atomization effect and the stability.
In this embodiment, the capillary 5 has an inner diameter of 0.3 to 0.6mm, an outer diameter of 0.4 to 0.75mm, and an inner diameter of the flow hole 211 of 0.5 to 0.85 mm.
In this embodiment, the distance between the end surface of the capillary 5 and the end surface of the atomizer head 2 is 0.35 to 0.85 mm.
In this embodiment, the length of the capillary 5 is 4-12 mm. The length is far less than the length of about 51mm of the traditional capillary tube 5, the strength is correspondingly improved due to the reduction of the length, the vibration is not easy to occur in the atomization process, and the atomization effect and stability are effectively improved.
In this embodiment, in order to improve the sealing performance between the atomizer body 1 and the atomizer head 2, a second seal groove is provided on the connection surface between the atomizer body 1 and the atomizer head 2, and a third seal gasket 18 is installed in the second seal groove.
In this embodiment, the first sealing gasket 10, the second sealing gasket 15 and the third sealing gasket 18 are all made of teflon materials, so as to improve the corrosion resistance and the aging resistance, and effectively improve the service life.
In order to further improve the accuracy of capillary 5 installation, the three screw hole of terminal surface of atomizer main part 1 is equipped with three on atomizer head 2 with the regulation screw 22 of screw hole one-to-one, and this kind of structure one can realize the technical effect who is connected atomizer head 2 and atomizer main part 1, and two can adjust the concentricity when atomizer head 2 is connected with atomizer main part 1. During installation, the capillary tube 5 is installed on the atomizer main body 1, the depth is adjusted, and then the atomizer head 2 is installed on the atomizer main body 1, and the concentricity is adjusted.
On the basis of the above structure, the invention patent of the background art with publication number CN208230156U and name "a temperature control type atomizer for an evaporative light scattering detector" can be used for reference, the temperature of the atomizer is controlled, the temperature is further controlled on the basis of controlling the shaking of the capillary 5, and the atomization stability of the atomizer is more effectively improved.
During atomization: the liquid to be atomized sequentially passes through the liquid inlet pipe 4, the flow channel 31 of the adjusting two-way valve 3 and the capillary 5 and finally reaches the outlet of the flow channel 31 of the third gas channel 21 of the atomizer head 2, and a dry and clean gas source enters the central gas channel 11 from the first gas channel 12 and the second gas channel 13, then enters the third gas channel 21 and finally meets the liquid flowing out of the capillary 5, so that the effect of atomizing the liquid at the position is achieved. The whole process can be finished under the condition of heating and temperature control.
In conclusion, the invention adopts a more reliable and simpler structure, so that the capillary 5 with a shorter length can be used, thereby thoroughly solving the problem of the shaking of the capillary 5 in the atomization process, improving the atomization stability, facilitating the assembly and disassembly of the capillary 5 and reducing the maintenance cost.
Claims (10)
1. An atomizer for evaporating light scattering detector, including the atomizer main part, install atomizer head, its characterized in that in the atomizer main part: install detachable in the atomizer main part and adjust two leads to, adjust two lead to go up install the feed liquor pipe and be equipped with the communicating runner of feed liquor pipe, the exit end detachably who adjusts two leads to be connected with the communicating capillary of runner, the atomizer main part be equipped with central gas passage and communicate in first gas passage and second gas passage that the slant of central gas passage both sides set up, be equipped with on the atomising head with the third gas passage that central gas passage is linked together, the capillary stretches into third gas passage contracts wherein, the outer wall of capillary with leave the clearance between the inner wall of third gas passage.
2. A nebulizer for an evaporative light scattering detector as claimed in claim 1, wherein: adjust two logical threaded connection in the atomizer main part is last and is locked by set nut, adjust threaded connection feed liquor pipe screw on two logical, install on the feed liquor pipe screw the feed liquor pipe.
3. A nebulizer for an evaporative light scattering detector as claimed in claim 2, wherein: and the threads of the adjusting two-way joint, the positioning nut and the connecting end surface of the atomizer main body are precise threads.
4. A nebulizer for an evaporative light scattering detector as claimed in claim 1, wherein: the peripheral wall of the two adjusting channels is provided with a first sealing groove, and a first sealing gasket is arranged in the first sealing groove.
5. A nebulizer for an evaporative light scattering detector as claimed in claim 1, wherein: adjust the exit end of two-way and stretch into in the central gas passage to be connected with fixation nut, the feed liquor end of capillary suit second is sealed to fill up and the fixing base in proper order, fixation nut has and holds the second is sealed to fill up the fixing base and make the chamber that holds that the capillary passes through.
6. A nebulizer for an evaporative light scattering detector as claimed in claim 1, wherein: the third gas channel is arranged in a funnel shape and comprises a conical part and a through hole communicated with the conical part, and the outlet end of the capillary tube is arranged in the through hole.
7. A nebulizer for an evaporative light scattering detector as claimed in claim 6, wherein: the inner diameter of the capillary is 0.3-0.6mm, the outer diameter is 0.4-0.75mm, and the inner diameter of the circulation hole is 0.5-0.85 mm.
8. A nebulizer for an evaporative light scattering detector as claimed in claim 1, wherein: the distance between the end face of the capillary and the end face of the atomizer head is 0.35-0.85 mm.
9. A nebulizer for an evaporative light scattering detector as claimed in claim 1, wherein: the length of the capillary tube is 4-12 mm.
10. A nebulizer for an evaporative light scattering detector as claimed in claim 1, wherein: the end face of the atomizer main body is provided with a second sealing groove and a plurality of threaded holes, a third sealing gasket is installed in the second sealing groove, and the end face of the atomizer head is provided with an adjusting screw hole matched with the threaded holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911336502.0A CN110876991A (en) | 2019-12-23 | 2019-12-23 | Atomizer for evaporative light scattering detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911336502.0A CN110876991A (en) | 2019-12-23 | 2019-12-23 | Atomizer for evaporative light scattering detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110876991A true CN110876991A (en) | 2020-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911336502.0A Pending CN110876991A (en) | 2019-12-23 | 2019-12-23 | Atomizer for evaporative light scattering detector |
Country Status (1)
| Country | Link |
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| CN (1) | CN110876991A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4109091A1 (en) * | 2021-06-21 | 2022-12-28 | Büchi Labortechnik AG | Device for detecting evaporative light scattering, and analyzer comprising such a device and method for detecting evaporative light scattering |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3216945A1 (en) * | 1982-05-06 | 1983-11-10 | Krautzberger GmbH & Co., 6228 Eltville | Nozzle head for spray guns, particularly paint spray guns |
| US5464157A (en) * | 1994-07-18 | 1995-11-07 | The Perkin-Elmer Corporation | Nebulizer for use in an atomic absorption system |
| CN107626465A (en) * | 2017-09-22 | 2018-01-26 | 上海发电设备成套设计研究院有限责任公司 | A kind of the multi-level fine atomizer and method of the evaporation of waste water of heat-engine plant flue |
| CN108187938A (en) * | 2018-03-02 | 2018-06-22 | 苏州赛德福科学仪器有限公司 | A kind of nozzle of evaporative light scattering detector |
| CN108262181A (en) * | 2018-01-25 | 2018-07-10 | 无锡赛那尔仪器设备制造有限公司 | A kind of temperature control type atomizer for evaporative light scattering detector |
| CN208554676U (en) * | 2018-07-05 | 2019-03-01 | 迈德乐喷雾系统广州有限公司 | A kind of hydrocone type atomizer |
| CN211989238U (en) * | 2019-12-23 | 2020-11-24 | 无锡赛那尔仪器设备制造有限公司 | Atomizer for evaporative light scattering detector |
-
2019
- 2019-12-23 CN CN201911336502.0A patent/CN110876991A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3216945A1 (en) * | 1982-05-06 | 1983-11-10 | Krautzberger GmbH & Co., 6228 Eltville | Nozzle head for spray guns, particularly paint spray guns |
| US5464157A (en) * | 1994-07-18 | 1995-11-07 | The Perkin-Elmer Corporation | Nebulizer for use in an atomic absorption system |
| CN107626465A (en) * | 2017-09-22 | 2018-01-26 | 上海发电设备成套设计研究院有限责任公司 | A kind of the multi-level fine atomizer and method of the evaporation of waste water of heat-engine plant flue |
| CN108262181A (en) * | 2018-01-25 | 2018-07-10 | 无锡赛那尔仪器设备制造有限公司 | A kind of temperature control type atomizer for evaporative light scattering detector |
| CN108187938A (en) * | 2018-03-02 | 2018-06-22 | 苏州赛德福科学仪器有限公司 | A kind of nozzle of evaporative light scattering detector |
| CN208554676U (en) * | 2018-07-05 | 2019-03-01 | 迈德乐喷雾系统广州有限公司 | A kind of hydrocone type atomizer |
| CN211989238U (en) * | 2019-12-23 | 2020-11-24 | 无锡赛那尔仪器设备制造有限公司 | Atomizer for evaporative light scattering detector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4109091A1 (en) * | 2021-06-21 | 2022-12-28 | Büchi Labortechnik AG | Device for detecting evaporative light scattering, and analyzer comprising such a device and method for detecting evaporative light scattering |
| WO2022268493A1 (en) * | 2021-06-21 | 2022-12-29 | Büchi Labortechnik AG | Device for detecting evaporative light scattering, analyser having a device of this kind, and a method for detecting evaporative light scattering |
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