CN210571957U - Improved gas-liquid separator of atomic fluorescence photometer - Google Patents
Improved gas-liquid separator of atomic fluorescence photometer Download PDFInfo
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- CN210571957U CN210571957U CN201920580050.XU CN201920580050U CN210571957U CN 210571957 U CN210571957 U CN 210571957U CN 201920580050 U CN201920580050 U CN 201920580050U CN 210571957 U CN210571957 U CN 210571957U
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Abstract
The utility model discloses a modified atomic fluorescence spectrophotometer vapour and liquid separator, including mixing arrangement, vapour and liquid separator main cavity body, water absorption device. The sample liquid and the reducing agent are mixed in the mixing device and then enter a main cavity of the gas-liquid separator, gaseous hydride generated by the reaction and the liquid are separated in the gas-liquid separator, the liquid in the gaseous hydride is discharged from a waste liquid outlet under the drive of a peristaltic pump, and the generated gaseous hydride is driven by carrier gas argon gas to remove the entrained liquid through a water absorption device and then enters the atomizer from a gas outlet pipe for detection. The utility model discloses effectively prevent because of gas-liquid separation thoroughly cause liquid to rush into the fluorescence quenching or the electric stove silk fracture that the atomizer arouses, improve the gas-liquid separation degree, the sensitivity and the stability of reinforcing experiment. The utility model has simple structure and convenient use.
Description
Technical Field
The utility model relates to an atomic fluorescence photometer technical field, in particular to vapour and liquid separator for atomic fluorescence photometer.
Background
The atomic fluorescence photometer uses potassium borohydride or sodium borohydride as a reducing agent to be mixed and reacted with a sample solution of an acid substrate, gaseous hydride and liquid generated by the reaction are separated in a gas-liquid separator, waste liquid in the atomic fluorescence photometer is discharged from a waste discharge pipeline under the drive of a peristaltic pump, gas is loaded into an atomizer through argon gas, and is atomized in argon-hydrogen flame to form ground-state atoms, atomic fluorescence is generated under the excitation of emitted light of a hollow cathode lamp, the fluorescence intensity of the atomic fluorescence photometer is in direct proportion to the element concentration in the liquid to be measured under a fixed condition, and the atomic fluorescence photometer is compared and quantified with a standard series.
When the reaction of the sample solution and potassium borohydride or sodium borohydride is too violent, liquid is easy to rush into the atomizer, so that fluorescence quenching is caused, the fluorescence signal is reduced, and the sensitivity is poor; the atomizer wire at high temperature also easily breaks when encountering liquid, so that the detection is interrupted.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problems, the invention provides an improved gas-liquid separator of an atomic fluorescence spectrophotometer, which reduces or avoids fluorescence quenching or electric furnace wire breakage caused by liquid rushing into the atomizer, improves the gas-liquid separation degree, and enhances the sensitivity and stability of experiments.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the method comprises the following steps: (1) the device comprises a mixing device, (2) a gas-liquid separator main cavity, (3) a water absorption device, (4) sample liquid, (5) a reducing agent, (6) mixed liquid, (7) a waste liquid discharge port, (8) carrier gas argon gas, and (9) a gas outlet pipe of an atomizer. The sample liquid and the reducing agent are mixed in the mixing device and then enter a main cavity of the gas-liquid separator, gaseous hydride generated by the reaction and the liquid are separated in the gas-liquid separator, the liquid in the gaseous hydride is discharged from a waste liquid outlet under the drive of a peristaltic pump, and the generated gaseous hydride is driven by carrier gas argon gas to remove the entrained liquid through a water absorption device and then enters the atomizer from a gas outlet pipe for detection.
Preferably, the front end of the gas outlet pipe above the main cavity of the gas-liquid separator is connected with a water absorption device.
Preferably, the filling material of the water absorption device is silica gel desiccant particles or anhydrous copper sulfate particles.
Preferably, the color of the filling material of the water absorption device can change along with the change of the water content.
Preferably, the water absorption device can be detached to replace the filling material or clean.
The invention has the beneficial effects that:
1. effectively prevent the fluorescence quenching or the electric stove wire fracture caused by the incomplete gas-liquid separation and the liquid rushing into the atomizer, improve the gas-liquid separation degree and enhance the sensitivity and the stability of the experiment.
2. The filling material of the water absorption device is silica gel particles or anhydrous copper sulfate particles, the color of the filling material can change along with the change of the water content, the dryness of the water absorption device is easy to judge, and the granular structure of the filling material is not easy to block a gas pipeline.
3. The water absorption device can be detached, replaced or cleaned, so that pollution is avoided, and the cleanliness of the water absorption device is guaranteed.
4. The utility model has simple structure and convenient use.
Drawings
Figure 1 is a structural diagram of the arrangement of the present invention.
Wherein, (1) the mixing device, (2) the main cavity of the gas-liquid separator, (3) the water absorption device, (4) the sample liquid, (5) the reducing agent, (6) the mixed liquid, (7) the waste liquid outlet, (8) the carrier gas argon gas, (9) connect the gas outlet pipe of the atomizer.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings and embodiments:
the utility model relates to an atomic fluorescence photometer vapour and liquid separator of modified, see the attached drawing, mainly include mixing arrangement (1), vapour and liquid separator main cavity body (2) and water absorption equipment (3) three big modules altogether. The mixing device (1) is a three-way pipe, the sample liquid (4) and the reducing agent (5) are introduced, and the mixed liquid (6) enters the main cavity (2) of the gas-liquid separator for separation; a waste liquid discharge port is connected below the main cavity (2) of the gas-liquid separator, and separated liquid is discharged from the waste liquid discharge port (7) under the drive of a peristaltic pump; the water absorption device (3) is connected to the upper portion of the main cavity (2) of the gas-liquid separator, separated gas enters the water absorption device (3) under the driving of carrier gas argon (8), and enters the atomizer for detection from the gas outlet pipe (9) after entrained liquid is removed.
According to the implementation example, after sample liquid (4) and reducing agent (5) are mixed in a mixing device (1), mixed liquid (6) enters a main cavity (2) of a gas-liquid separator, gaseous hydride generated by reaction and liquid are separated in the main cavity (2) of the gas-liquid separator, the liquid is discharged from a waste liquid discharge port (7) under the drive of a peristaltic pump, and the generated gaseous hydride is driven by carrier gas argon (8) to remove entrained liquid through a water absorption device (3) and then enters an atomizer for detection through a gas outlet pipe (9).
The above-mentioned drawings are only preferred embodiments of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made in the principle, structure and shape of the present invention should be covered by the scope of the present invention.
Claims (2)
1. An improved gas-liquid separator of an atomic fluorescence spectrometer, comprising: the gas-liquid separator comprises a mixing device, a gas-liquid separator main cavity and a water absorption device and is characterized in that the mixing device is connected below the gas-liquid separator main cavity, and the water absorption device is connected at the front end of a gas outlet pipe above the gas-liquid separator main cavity.
2. The improved gas-liquid separator of atomic fluorescence spectrometer as claimed in claim 1, wherein said filling material of said water absorption device is silica gel desiccant beads or anhydrous copper sulfate beads, said filling material of said water absorption device has a color that changes with changes in water content, and said water absorption device is removable for replacement of filling material or cleaning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920580050.XU CN210571957U (en) | 2019-04-17 | 2019-04-17 | Improved gas-liquid separator of atomic fluorescence photometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920580050.XU CN210571957U (en) | 2019-04-17 | 2019-04-17 | Improved gas-liquid separator of atomic fluorescence photometer |
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| CN210571957U true CN210571957U (en) | 2020-05-19 |
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| CN201920580050.XU Active CN210571957U (en) | 2019-04-17 | 2019-04-17 | Improved gas-liquid separator of atomic fluorescence photometer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114166809A (en) * | 2021-11-27 | 2022-03-11 | 埃坭克仪器(北京)有限公司 | Chemical reaction and separation integrated module of atomic fluorescence spectrophotometer |
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2019
- 2019-04-17 CN CN201920580050.XU patent/CN210571957U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114166809A (en) * | 2021-11-27 | 2022-03-11 | 埃坭克仪器(北京)有限公司 | Chemical reaction and separation integrated module of atomic fluorescence spectrophotometer |
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