CN219915386U - ICP-OES internal standard method atomizer - Google Patents
ICP-OES internal standard method atomizer Download PDFInfo
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- CN219915386U CN219915386U CN202320573334.2U CN202320573334U CN219915386U CN 219915386 U CN219915386 U CN 219915386U CN 202320573334 U CN202320573334 U CN 202320573334U CN 219915386 U CN219915386 U CN 219915386U
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- sample
- internal standard
- atomizing
- oes
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- 238000010813 internal standard method Methods 0.000 title claims abstract description 18
- 238000002354 inductively-coupled plasma atomic emission spectroscopy Methods 0.000 title claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims description 6
- 238000000889 atomisation Methods 0.000 claims description 5
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 3
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical group OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 claims description 3
- 229920002530 polyetherether ketone Polymers 0.000 claims description 3
- 239000010979 ruby Substances 0.000 claims description 3
- 229910001750 ruby Inorganic materials 0.000 claims description 3
- 229910052594 sapphire Inorganic materials 0.000 claims description 3
- 239000010980 sapphire Substances 0.000 claims description 3
- 239000006199 nebulizer Substances 0.000 claims 6
- 239000007921 spray Substances 0.000 claims 4
- 239000000523 sample Substances 0.000 abstract description 36
- 239000012086 standard solution Substances 0.000 abstract description 11
- 239000012488 sample solution Substances 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 25
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 239000003595 mist Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 4
- 229910052786 argon Inorganic materials 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 235000011293 Brassica napus Nutrition 0.000 description 1
- 240000008100 Brassica rapa Species 0.000 description 1
- 235000000540 Brassica rapa subsp rapa Nutrition 0.000 description 1
- QZPSXPBJTPJTSZ-UHFFFAOYSA-N aqua regia Chemical compound Cl.O[N+]([O-])=O QZPSXPBJTPJTSZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012490 blank solution Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The utility model discloses an ICP-OES internal standard method atomizer, and relates to the technical field of internal standard methods. Including atomizing room and fog chamber, link to each other through the atomizing interface between atomizing room and the fog chamber, be provided with two sample inlets on the atomizing room, the sample inlet is connected with sample nozzle respectively, and two sample nozzles set up relatively and the interval has suitable distance, still be provided with the air inlet on the atomizing room, the air inlet is connected with atomizing gas nozzle, the midpoint of atomizing gas nozzle perpendicular to two sample nozzle connecting lines to have suitable distance with sample nozzle interval, fog chamber top is provided with the gas outlet, fog chamber bottom below is provided with the liquid outlet. The atomizer disclosed by the utility model is simple and quick to operate, can save the internal standard solution to the maximum extent, and can be used for uniformly mixing the internal standard solution and the sample solution to be detected in the fog chamber after being atomized, so that the detection result is more stable.
Description
Technical Field
The utility model relates to the technical field of internal standard methods, in particular to an ICP-OES internal standard method atomizer.
Background
The internal standard method is to add a certain weight of pure substance as an internal standard substance into a certain amount of sample mixture to be analyzed, and calculate the content of the detected component according to the mass ratio of the detected sample to the internal standard substance, the corresponding ratio of the spectrum peak areas and the relative correction factor, and is a common analysis method for ICP-OES analysis.
In the prior art, there are two methods generally, one is to directly add quantitative internal standard substances into all standard curves and sample solutions to be tested, uniformly mix and then pass through a sample inlet tube of a cross flow atomizer, and detect after atomization by using argon. The other is to use a three-way pipe to prepare an internal standard solution separately, the internal standard solution and a standard curve or a sample to be tested are sampled simultaneously, and then the internal standard solution and the standard curve or the sample to be tested are mixed by the three-way pipe and then pass through a sample feeding pipe of a cross flow atomizer, and then are atomized by argon gas for detection.
Disclosure of Invention
The utility model aims to overcome the technical problems and provide the atomizer which is simple and convenient to operate, saves internal standard substances and has stable detection results.
In order to achieve the technical purpose, the utility model mainly adopts the following technical scheme:
the utility model provides an ICP-OES internal standard method atomizer, includes atomizing room and fog chamber, link to each other through the atomizing interface between atomizing room and the fog chamber, be provided with two sample inlets on the atomizing room, the sample inlet is connected with sample nozzle respectively, and two sample nozzles set up relatively and the interval has suitable distance, still be provided with the air inlet on the atomizing room, the air inlet is connected with atomizing gas nozzle, atomizing gas nozzle perpendicular to the midpoint of two sample nozzle connecting lines to have suitable distance with sample nozzle interval, fog chamber top is provided with the gas outlet, fog chamber bottom below is provided with the liquid outlet.
In the utility model, the distance between the two sample nozzles is 0.4-0.6mm, and the distance between the atomizing gas nozzle and the sample nozzle is 0.8-1.2mm.
As a further aspect of the utility model, a plurality of groups of mixing chambers are further arranged in the fog chamber, each group of mixing chambers are connected through a connecting pipe, the air outlet of the last group of mixing chambers is communicated with the air outlet above the top of the fog chamber, the lower part of the bottom of each group of mixing chambers is provided with a liquid outlet, and the liquid outlet is communicated with the liquid outlet below the bottom of the fog chamber.
Further, the mixing chamber comprises a fusiform shell, the upper side and the lower side of the fusiform shell are respectively communicated and provided with an air pipe, the air pipe is communicated with the atomization interface or the connecting pipe, and the middle part of the mixing chamber is connected with the connecting pipe.
Furthermore, a plurality of gas dispersing discs are fixedly arranged in the upper side and the lower side of the fusiform shell of the mixing chamber, and the gas dispersing discs are provided with air holes.
Preferably, the material used for the sample nozzle and the atomizing gas nozzle is PEEK material.
Preferably, the sample nozzle head is embedded in sapphire and the atomizing gas nozzle head is embedded in ruby.
Compared with the prior art, the utility model has the following beneficial effects:
the atomizer disclosed by the utility model is simple and quick to operate, can save the internal standard solution to the maximum extent, and can be used for uniformly mixing the internal standard solution and the sample solution to be detected in the fog chamber after being atomized, so that the detection result is more stable.
Drawings
FIG. 1 is a schematic diagram of an ICP-OES internal standard atomizer according to embodiment 1 of the present utility model;
FIG. 2 is an enlarged view of a schematic structural view of the nozzle of FIG. 1;
fig. 3 is a schematic view showing the internal structure of a mist chamber of an ICP-OES internal standard method atomizer as disclosed in example 2 of the present utility model.
Detailed Description
The utility model is further described below with reference to the accompanying drawings. It should be understood that the embodiments described herein are for the purpose of illustrating the utility model only and are not intended to limit the scope of the utility model.
Example 1
As shown in fig. 1 and 2, an ICP-OES internal standard method atomizer comprises an atomizing chamber 13 and a mist chamber 5, wherein the atomizing chamber 13 is connected with the mist chamber 6 through an atomizing interface 1, two sample inlets 4 are arranged on the atomizing chamber 13, the sample inlets are respectively connected with sample nozzles 2, the two sample nozzles 2 are oppositely arranged and spaced at proper distances, an air inlet 5 is further arranged on the atomizing chamber 13, the air inlet is connected with an atomizing gas nozzle 3, the atomizing gas nozzle 3 is perpendicular to the midpoint of a connecting line of the two sample nozzles 2, and spaced at proper distances from the sample nozzles 2, an air outlet 7 is arranged above the top of the mist chamber 6, and a liquid outlet 8 is arranged below the bottom of the mist chamber 6.
In the utility model, the distance between the two sample nozzles 2 is 0.4-0.6mm, preferably 0.5mm, and the distance between the atomizing gas nozzle 3 and the sample nozzles 2 is 0.8-1.2mm, preferably 1mm, so that the sample solution or the internal standard solution can be atomized to the greatest extent.
The atomizer interface 1 is made of corrosion-resistant materials, and can resist corrosion of hydrofluoric acid, aqua regia and the like. The sample nozzle 2 and the atomizing gas nozzle 3 are made of PEEK materials, the head of the sample nozzle 2 is embedded with sapphire, and the head of the atomizing gas nozzle 3 is embedded with ruby to ensure corrosion resistance and uniformity of samples and gases.
In use, the atomizer interface 1 is tightly connected with the mist chamber 6. The internal standard solution is fixedly fed from one sample inlet 4, the standard curve solution and the sample solution to be tested are fixedly fed from the other opposite sample inlet, high-speed argon gas flow is blown out from a vertical atomizing gas nozzle 3 at the position of a sample nozzle 2, the internal standard solution and the sample solution are simultaneously atomized, uniformly mixed in a fog chamber, uniformly mixed gas enters an instrument from a sample outlet 7 above the fog chamber for detection, and residual liquid is discharged from a liquid outlet 8 below the fog chamber.
Example 2
This embodiment 2 is basically the same as embodiment 1, as shown in fig. 3, except that: the interior of the fog chamber 6 is also provided with a plurality of groups of mixing chambers 9, each group of mixing chambers 9 is connected through a connecting pipe 11, the air outlet of the last group of mixing chambers 9 is communicated with the air outlet 7 above the top of the fog chamber 6, the lower part of the bottom of each group of mixing chambers 9 is provided with a liquid outlet 8, and the liquid outlet 8 is communicated with the liquid outlet 8 below the bottom of the fog chamber 6. The atomized gas enters the mixing chamber 9 through the atomization interface 1, and the uniform mixing of the atomized gas can be further ensured through the mixing effect of a plurality of groups of mixing chambers 9, so that the atomization effect is further improved.
Wherein, mixing chamber 9 includes fusiform casing, and fusiform casing upper and lower both sides intercommunication respectively is provided with trachea 10, and trachea 10 is linked together with atomizing interface 1 or connecting pipe 11, and connecting pipe 11 is connected at mixing chamber 9's middle part. Atomized gas enters the mixing chamber 9 through the air pipes 10 on the upper side and the lower side, convection is formed in the mixing chamber 9, uniform mixing of the gas is facilitated, and meanwhile, due to the arrangement of the fusiform structure, high flow velocity is maintained when the gas enters the mixing chamber 9, and mixing efficiency is improved.
In order to further improve the mixing effect, a plurality of gas dispersing discs 12 are fixedly arranged in the upper side and the lower side of the fusiform shell of the mixing chamber 9, and the gas dispersing discs 12 are provided with air holes.
In the conventional atomizer, when the ICP-OES internal standard method is used for detection, if two samples exist, a standard curve solution is added with a blank solution and a sample solution to be detected, and if the internal standard solution is directly added, each bottle needs to be added with 1mL, and 9mL is needed. If the turnip device is adopted, only one bottle of independent internal standard liquid is needed, only 1mL of the independent internal standard liquid is needed, and the bottle of independent internal standard liquid can always be used for measuring about 100 samples, so that the consumption of the internal standard liquid can be greatly saved.
Finally, it is noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present utility model, and that other modifications and equivalents thereof by those skilled in the art should be included in the scope of the claims of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.
Claims (7)
1. An ICP-OES internal standard method atomizer, characterized in that: including atomizing room and fog chamber, link to each other through the atomizing interface between atomizing room and the fog chamber, be provided with two sample inlets on the atomizing room, the sample inlet is connected with sample nozzle respectively, and two sample nozzles set up relatively and the interval has suitable distance, still be provided with the air inlet on the atomizing room, the air inlet is connected with atomizing gas nozzle, the midpoint of atomizing gas nozzle perpendicular to two sample nozzle connecting lines to have suitable distance with sample nozzle interval, fog chamber top is provided with the gas outlet, fog chamber bottom below is provided with the liquid outlet.
2. The ICP-OES internal standard method nebulizer of claim 1, wherein: the distance between the two sample nozzles is 0.4-0.6mm, and the distance between the atomizing gas nozzle and the sample nozzle is 0.8-1.2mm.
3. The ICP-OES internal standard method nebulizer of claim 1, wherein: the spray chamber is characterized in that a plurality of groups of mixing chambers are further arranged in the spray chamber, each group of mixing chambers are connected through a connecting pipe, the air outlet of the last group of mixing chambers is communicated with the air outlet above the top of the spray chamber, the lower part of the bottom of each group of mixing chambers is provided with a liquid outlet, and the liquid outlet is communicated with the liquid outlet below the bottom of the spray chamber.
4. The ICP-OES internal standard method nebulizer of claim 3, wherein: the mixing chamber comprises a fusiform shell, the upper side and the lower side of the fusiform shell are respectively communicated with an air pipe, the air pipes are communicated with the atomization interface or the connecting pipe, and the middle part of the mixing chamber is connected with the connecting pipe.
5. The ICP-OES internal standard method nebulizer of claim 4, wherein: a plurality of gas dispersing discs are fixedly arranged in the upper side and the lower side of the fusiform shell of the mixing chamber, and air holes are formed in the gas dispersing discs.
6. The ICP-OES internal standard method nebulizer of claim 1, wherein: the material used for the sample nozzle and the atomizing gas nozzle is PEEK material.
7. The ICP-OES internal standard method nebulizer of claim 1, wherein: the sample nozzle head is embedded in sapphire, and the atomizing gas nozzle head is embedded in ruby.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320573334.2U CN219915386U (en) | 2023-03-21 | 2023-03-21 | ICP-OES internal standard method atomizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320573334.2U CN219915386U (en) | 2023-03-21 | 2023-03-21 | ICP-OES internal standard method atomizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219915386U true CN219915386U (en) | 2023-10-27 |
Family
ID=88465718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320573334.2U Active CN219915386U (en) | 2023-03-21 | 2023-03-21 | ICP-OES internal standard method atomizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219915386U (en) |
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2023
- 2023-03-21 CN CN202320573334.2U patent/CN219915386U/en active Active
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