CN202362280U - Sample injection system device based on HPLC-ICP-MS (high performance liquid chromatograph and inductive coupling plasma mass spectrum) - Google Patents
Sample injection system device based on HPLC-ICP-MS (high performance liquid chromatograph and inductive coupling plasma mass spectrum) Download PDFInfo
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- CN202362280U CN202362280U CN2011205063812U CN201120506381U CN202362280U CN 202362280 U CN202362280 U CN 202362280U CN 2011205063812 U CN2011205063812 U CN 2011205063812U CN 201120506381 U CN201120506381 U CN 201120506381U CN 202362280 U CN202362280 U CN 202362280U
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- 239000007788 liquid Substances 0.000 title claims abstract description 10
- 238000002347 injection Methods 0.000 title abstract 6
- 239000007924 injection Substances 0.000 title abstract 6
- 230000001939 inductive effect Effects 0.000 title abstract 2
- 238000001819 mass spectrum Methods 0.000 title abstract 2
- 238000005070 sampling Methods 0.000 claims description 25
- 238000004128 high performance liquid chromatography Methods 0.000 claims description 21
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- 230000002572 peristaltic effect Effects 0.000 description 2
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Abstract
A sample injection system device based on the HPLC-ICP-MS (high performance liquid chromatograph and inductive coupling plasma mass spectrum) includes an atomizer, a rotational flow fog chamber and a torch pipe all sequentially connected, wherein the atomizer is T-shaped, an air inlet manifold is arranged below the atomizer; a liquid sample inlet and a spout are arranged at the two ends of the atomizer; the spout is hermetically connected with an inlet pipe of the rotational flow fog chamber; a waste liquid pipe is arranged at the bottom of the conical rotational flow fog chamber; an outlet pipe is arranged at the top of the conical rotational flow fog chamber; the outlet pipe is hermetically connected with a torch base of the torch pipe; and the torch pipe includes an injection pipe, a middle pipe and an outer pipe which are concentrically arranged from the interior to the exterior, as well as the torch base which is hermetically connected with the tail ends of the injection pipe, the middle pipe and the outer pipe. The sample injection system device overcomes the difficulties that the plasma is locally cooled even the torch is put out caused by the fact that the plasma stability is influenced by elution resolvent, and the organic resolvent causes carbon sediment and taper hole blockage; and further the sample injection system can better overcome the memory effect and has better using effect.
Description
Technical field
The utility model relates to a kind of sampling system device, relates in particular to the sampling system device of (HPLC-ICP-MS) in a kind of high performance liquid chromatography and the inductivity coupled plasma mass spectrometry coupling technique.
Background technology
Inductivity coupled plasma mass spectrometry (ICP-MS) technology, oneself becomes one of main means of trace element analysis in the various materials at present.Because this technical Analysis is highly sensitive, can make rapid multi-element analysis, detection limit is low; Wide dynamic range, analytical precision is good, can make isotope ratio and measure; Advantages such as identification of spectrogram is easy have obtained using widely in national economy all departments, universities and colleges, R&D institution.Along with the expansion of range of application, oneself develops into a kind of analysis and testing technology of routine gradually abroad.Because the in-depth of material science, environmental science and life science research, in recent years, the ICP-MS technology will face the analysis of some complex samples more, morphological analysis, and the organism analysis, on-line analysis, the simple ore thing is mingled with analysis, mineral inclusion body analysis etc.Adopting coupling technique is one of effective way that solves these problem analyses; Coupling technique has merged the advantage of two or more analytical technology; Can solve the problem analysis of band ubiquity pointedly, therefore, coupling technique is a most active research contents in the ICP-MS analytical technology.
High performance liquid chromatography inductivity coupled plasma mass spectrometry coupling technique (HPLC-ICP-MS) is a kind of important coupling technique that develops in the world at present.Because HPLC is the close composition of separating property effectively, so the HPLC-ICP-MS coupling technique is mainly used in morphological analysis.When doing morphological analysis with the HPLC-ICP-MS coupling technique, the main difficulty that solve has: the true-time operation speed of the elution speed of HPLC system and ICP-MS possibly not match, and has reduced mensuration sensitivity; Because the influence of organic solvent, analyte can produce memory effect in atomizer and fog chamber; The used eluting solvent of HPLC system can influence the stability of plasma or cause the part cooling of plasma, even puts out torch; The organic solvent of HPLC system can cause the deposition of carbon, and taper hole is stopped up.
The utility model content
The purpose of the utility model provides a kind of high performance liquid chromatography and inductivity coupled plasma mass spectrometry coupling sampling system device; Adopt this sampling system device; Can realize the coupling of high-efficient liquid phase chromatogram technology and inductivity coupled plasma mass spectrometry technology, and realize morphological analysis with this coupling technique.
For realizing above-mentioned purpose, the utility model is taked following design proposal:
Sampling system device in a kind of high performance liquid chromatography and the inductivity coupled plasma mass spectrometry coupling technique, it comprises atomizer, eddy flow fog chamber and the torch pipe that connects successively; This atomizer is a T shape, and the below is provided with air intake branch, and two ends are provided with air intake opening and spout, and the induction pipe of this spout and this eddy flow fog chamber is tightly connected; This eddy flow fog chamber is conical, and the bottom is provided with sewer pipe, and the top is provided with outlet, and the torch pedestal of this outlet and this torch pipe is tightly connected; This torch pipe comprises from inside to outside the playpipe that is provided with one heart and middle tube, outer tube, and the torch pedestal that all is tightly connected with the end of this playpipe, this middle tube, this outer tube.
Said atomizer is efficient concentric type atomizer, is manufactured by hard glass, and said air intake branch is 38mm to the distance of said spout.
Said eddy flow fog chamber is manufactured by hard glass, and the tapered side of said eddy flow fog chamber is provided with a vertical protruding folding Zhe.
The spout of said atomizer adopts the induction pipe of direct-insert mode and said eddy flow fog chamber to link and seals with dual rubber o-ring.
Said playpipe, middle tube, outer tube and said torch pedestal junction are provided with O-ring seal.
Said playpipe and middle tube, outer tube are manufactured by high grade quartz, and said torch pedestal is manufactured by organic glass.
The internal diameter of end toper reducing can be 0.2mm, 0.5mm, 0.8mm or 1.0mm before the said playpipe.
Said outer tube lengthening is provided with, make its with the sampling spiroid of Mass Spectrometer Method system at a distance of being 5mm.
Adopt quick-release enamel dish to link between the outlet of said eddy flow fog chamber and the torch pedestal of torch pipe, joint cooperates and adds rubber o-ring through ground and seals.
The spout of said atomizer is introduced the droplet tangential in the said eddy flow fog chamber.
The utility model has the advantages that: the utility model adopts the simple sampling system; Overcome eluting solvent and influenced the stability of plasma, cause the local cooling of plasma in addition put out the difficulty of torch and the carbon that organic solvent is caused deposition, stop up the difficulty of taper hole; Can overcome memory effect preferably; Result of use is good; Realized of the coupling of HPLC technology, can use four kinds of plumbous forms such as four kinds of arsenic morphologies such as this HPLC-ICP-MS coupling technique mensuration As (III), As (V), MMA, DMA and Pb II, TML, TEL, TPh with the ICP-MS technology.The utility model has independent intellectual property right for self-control simple sampling system, cost are low.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the atomizer structure synoptic diagram of the utility model.
Fig. 3 is the eddy flow fog chamber structural representation of the utility model.
Fig. 4 is the torch tubular construction synoptic diagram of the utility model.
Fig. 5 is the playpipe structural representation of the torch pipe of the utility model.
Fig. 6 be the utility model the torch pipe in, the outer tube structural representation.
Fig. 7 is the torch base construction synoptic diagram of the torch pipe of the utility model.
Fig. 8 is the utility model sampling system device application state synoptic diagram.
Drawing reference numeral: 1, atomizer; 1-1, air intake opening; 1-2, liquid appearance inlet; 201, air intake branch; 202, spout; 2, eddy flow fog chamber; 2-1, induction pipe; 2-2, outlet; 2-3, folding Zhe; 2-4, sewer pipe; 2-5, dual rubber o-ring; 2-6,3-1-1, quick-release enamel dish; 2-7, rubber o-ring; 3, torch pipe; 3-1, torch pedestal; 402, playpipe; 403, outer tube; 403-1, middle tube; 404, O-ring seal; 100, sampling system device; 200, spectrometer system; 300, effluent to be analyzed.
Embodiment
Like Fig. 1-shown in Figure 6, the utility model sampling system device is made up of the atomizer 1, eddy flow fog chamber 2 and the torch pipe 3 that connect successively.This atomizer 1 is a T shape, and the below is provided with air intake branch 201, and two ends are provided with liquid appearance inlet 1-2 and spout 202, and this spout 202 is tightly connected with the induction pipe 2-1 of this eddy flow fog chamber 2.This eddy flow fog chamber 2 is conical, and the bottom is provided with sewer pipe 2-4, and the top is provided with outlet 2-2, and the torch pedestal 3-1 of this outlet 2-2 and this torch pipe 3 is tightly connected.This torch pipe 3 comprises from inside to outside the playpipe 402 and middle tube 403-1, outer tube 403 that is provided with one heart, and the torch pedestal 3-1 that all is tightly connected with the end of this playpipe 402, this middle tube 403-1, this outer tube 403.
Fig. 2 is atomizer 1 structural representation of the utility model, and this atomizer 1 is efficient concentric type atomizer, is manufactured by hard glass, and air intake branch 201 is 38mm to the distance of spout 202, can regulate atomizer 1 position of spout 202 in eddy flow fog chamber 2.The spout 202 of atomizer 1 adopts the induction pipe 2-1 of direct-insert mode and eddy flow fog chamber 2 to link and seals with dual rubber o-ring 2-5.
Fig. 3 is eddy flow fog chamber 2 structural representations of the utility model, and eddy flow fog chamber 2 is manufactured by hard glass, and the tapered side of eddy flow fog chamber 2 is provided with a vertically protruding folding Zhe 2-3, further refinement droplet.Adopt quick-release enamel dish 2-6,3-1-1 to link between the torch pedestal 3-1 of the outlet 2-2 of eddy flow fog chamber 2 and torch pipe 3, be convenient to change, clean, joint cooperates and adds rubber o-ring 2-7 through ground and seals.Eddy flow fog chamber 2 has efficiently, the quick and little characteristics of memory effect; The effect that separates desirable droplet and imperfect droplet is played by eddy flow fog chamber 2 in aerocolloidal transmission course; Desirable droplet less than 10 μ m is brought into plasma by carrier gas, and big droplet is collected back through eddy flow fog chamber 2 and drained into waste liquid.
Fig. 4 is torch pipe 3 structural representations of the utility model; Playpipe 402 is guaranteed by torch pedestal 3-1 with the relative position of concentricity, playpipe 402 nozzle faces and the middle tube 403-1 of middle tube 403-1, outer tube 403, and is very strict to the size tolerance requirements of torch pedestal 3-1.Be to guarantee the leakproofness of combination, playpipe 402 with in, outer tube 403 is equipped with O-ring seal with the junction of torch pedestal 3-1.Torch pipe 3 is the Primary Components that form plasma and keep stable plasma, by the high grade quartz made.For avoiding producing gas entrainment, reduce the multi-atomic ion interference level at torch pipe 3 and interface area, outer tube 403 is lengthened to the torch end and leaves only 5mm of spectrometer interface.
Fig. 5 is playpipe 402 structural representations of torch pipe 3, is manufactured by the high grade quartz material.The internal diameter of end toper reducing can be 0.2mm, 0.5mm, 0.8mm or 1.0mm before the playpipe 402, can elect according to the concrete analysis need of work.
Fig. 6 be torch pipe 3 in, outer tube 403 structural representations, also manufacture by the high grade quartz material.In, the concentricity requirement of outer tube 403 is high, and size tolerance requirements is also very strict.
Fig. 7 is the torch pedestal 3-1 structural representation of torch pipe 3, is manufactured by the high-quality pmma material.Because of to guarantee playpipe 402 and in, the concentricity of outer tube 403 and the relative position between them, so, very strict to the size tolerance requirements of torch pedestal 3-1.
Fig. 8 is the utility model sampling system device application state synoptic diagram; The effluent to be analyzed 300 that comes through peristaltic pump by homemade LC99 I type high performance liquid chromatograph; Through the utility model sampling system device 100; Get into U.S. PerkinElmer Elan5000 type icp ms system 200, can realize the coupling of high-efficient liquid phase chromatogram technology and inductivity coupled plasma mass spectrometry technology, and realize morphological analysis with this coupling technique.The high performance liquid chromatography effluent is introduced the liquid appearance inlet 1-2 of atomizer 1 by peristaltic pump; Be atomized in spout 202 places of atomizer 1 under the effect of the carrier gas that gets at air intake opening 1-1 place; Sample solution droplet tangential after the atomizing sprays into eddy flow fog chamber 2; Gasoloid sprays into spray chamber and spirals downwards with tangential direction and advances, and this motion has produced the centrifugal force that acts on the droplet, thereby droplet is thrown to wall.In swirling flow atomizing chamber bottom, gasoloid changes direction and becomes more coaxially with original route that spirality moves to 2 tops, eddy flow fog chamber.Throw to of the sewer pipe 2-4 discharge of the big droplet of wall, and the fine mist ascension also gets into torch pipe 3 through the outlet 2-2 at 2 tops, eddy flow fog chamber, in torch pipe 3, by ionization, becomes the ion gun of desirable subsequent measurements by the bottom.
Above-mentioned each embodiment can be under the scope that does not break away from the utility model in addition some variations, so above explanation comprises and accompanying drawing shown in structure should be regarded as exemplary, but not in order to limit the claim of the utility model.
Claims (10)
1. high performance liquid chromatography and inductivity coupled plasma mass spectrometry coupling sampling system device is characterized in that, it comprises atomizer, eddy flow fog chamber and the torch pipe that connects successively; This atomizer is a T shape, and the below is provided with air intake branch, and two ends are provided with liquid appearance inlet and spout, and the induction pipe of this spout and this eddy flow fog chamber is tightly connected; This eddy flow fog chamber is conical, and the bottom is provided with sewer pipe, and the top is provided with outlet, and the torch pedestal of this outlet and this torch pipe is tightly connected; This torch pipe comprises from inside to outside the playpipe that is provided with one heart and middle tube, outer tube, and the torch pedestal that all is tightly connected with the end of this playpipe, this middle tube, this outer tube.
2. high performance liquid chromatography according to claim 1 and inductivity coupled plasma mass spectrometry coupling sampling system device; It is characterized in that: said atomizer is efficient concentric type atomizer; Manufactured by hard glass, said air intake branch is 38mm to the distance of said spout.
3. high performance liquid chromatography according to claim 1 and 2 and inductivity coupled plasma mass spectrometry coupling sampling system device; It is characterized in that: said eddy flow fog chamber is manufactured by hard glass, and the tapered side of said eddy flow fog chamber is provided with a vertical protruding folding Zhe.
4. high performance liquid chromatography according to claim 3 and inductivity coupled plasma mass spectrometry coupling sampling system device is characterized in that: the spout of said atomizer adopts the induction pipe of direct-insert mode and said eddy flow fog chamber to link and seals with dual rubber o-ring.
5. high performance liquid chromatography according to claim 4 and inductivity coupled plasma mass spectrometry coupling sampling system device is characterized in that: said playpipe, middle tube, outer tube and said torch pedestal junction are provided with O-ring seal.
6. according to claim 1 or 5 described high performance liquid chromatography and inductivity coupled plasma mass spectrometry coupling sampling system device, it is characterized in that: said playpipe and middle tube, outer tube are manufactured by high grade quartz, and said torch pedestal is manufactured by organic glass.
7. high performance liquid chromatography according to claim 6 and inductivity coupled plasma mass spectrometry coupling sampling system device is characterized in that: the internal diameter of end toper reducing can be 0.2mm, 0.5mm, 0.8mm or 1.0mm before the said playpipe.
8. high performance liquid chromatography according to claim 7 and inductivity coupled plasma mass spectrometry coupling sampling system device is characterized in that: said outer tube lengthening is provided with, make its with the sampling spiroid of Mass Spectrometer Method system at a distance of being 5mm.
9. according to claim 1 or 8 described high performance liquid chromatography and inductivity coupled plasma mass spectrometry coupling sampling system device; It is characterized in that: adopt quick-release enamel dish to link between the outlet of said eddy flow fog chamber and the torch pedestal of said torch pipe, joint cooperates and adds rubber o-ring through ground and seals.
10. high performance liquid chromatography according to claim 1 and inductivity coupled plasma mass spectrometry coupling sampling system device, it is characterized in that: the spout of said atomizer is introduced the droplet tangential in the said eddy flow fog chamber.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205063812U CN202362280U (en) | 2011-12-07 | 2011-12-07 | Sample injection system device based on HPLC-ICP-MS (high performance liquid chromatograph and inductive coupling plasma mass spectrum) |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205063812U CN202362280U (en) | 2011-12-07 | 2011-12-07 | Sample injection system device based on HPLC-ICP-MS (high performance liquid chromatograph and inductive coupling plasma mass spectrum) |
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| CN202362280U true CN202362280U (en) | 2012-08-01 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103439316A (en) * | 2013-09-05 | 2013-12-11 | 广西师范大学 | Air-pressure type zero-waste-liquid-discharging atomic spectrum or plasma mass spectrum sample injection system |
| CN105929012A (en) * | 2016-04-13 | 2016-09-07 | 中国科学院生态环境研究中心 | Spray chamber, sampling system and ICP-MS using spray chamber |
| CN106645603A (en) * | 2017-01-13 | 2017-05-10 | 广西民族大学 | Method for synchronously detecting content of food additives and heavy metals in food in inverse HPLC-ICP-MS method |
| CN108828118A (en) * | 2018-03-05 | 2018-11-16 | 杭州师范大学钱江学院 | It is a kind of receive flow chromatography separation and plasma mass detection combined system |
| CN112750678A (en) * | 2020-12-31 | 2021-05-04 | 杭州谱育科技发展有限公司 | Inductive coupling plasma mass spectrometer based on torch tube verticality and working method thereof |
| CN114965831A (en) * | 2022-05-19 | 2022-08-30 | 厦门大学 | Zero dead volume interface device for combination of chromatograph and mass spectrum and application thereof |
| CN115753742A (en) * | 2022-11-02 | 2023-03-07 | 上海美析仪器有限公司 | Plasma emission spectrometer capable of efficiently atomizing and feeding sample |
| CN118330010A (en) * | 2024-06-17 | 2024-07-12 | 成都艾立本科技有限公司 | Mass spectrometry method of multi-path liquid phase sampling and multi-path liquid phase sampling system and application |
-
2011
- 2011-12-07 CN CN2011205063812U patent/CN202362280U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103439316A (en) * | 2013-09-05 | 2013-12-11 | 广西师范大学 | Air-pressure type zero-waste-liquid-discharging atomic spectrum or plasma mass spectrum sample injection system |
| CN103439316B (en) * | 2013-09-05 | 2015-09-16 | 广西师范大学 | Air-pressure type zero discharging of waste liquid atomic spectrum or plasma mass sampling system |
| CN105929012A (en) * | 2016-04-13 | 2016-09-07 | 中国科学院生态环境研究中心 | Spray chamber, sampling system and ICP-MS using spray chamber |
| CN105929012B (en) * | 2016-04-13 | 2018-11-09 | 中国科学院生态环境研究中心 | Spray chamber, sampling system and ICP-MS using it |
| CN106645603A (en) * | 2017-01-13 | 2017-05-10 | 广西民族大学 | Method for synchronously detecting content of food additives and heavy metals in food in inverse HPLC-ICP-MS method |
| CN108828118A (en) * | 2018-03-05 | 2018-11-16 | 杭州师范大学钱江学院 | It is a kind of receive flow chromatography separation and plasma mass detection combined system |
| CN108828118B (en) * | 2018-03-05 | 2020-04-17 | 杭州师范大学钱江学院 | Combined system for nano-flow chromatography separation and plasma mass spectrometry detection |
| CN112750678A (en) * | 2020-12-31 | 2021-05-04 | 杭州谱育科技发展有限公司 | Inductive coupling plasma mass spectrometer based on torch tube verticality and working method thereof |
| CN114965831A (en) * | 2022-05-19 | 2022-08-30 | 厦门大学 | Zero dead volume interface device for combination of chromatograph and mass spectrum and application thereof |
| CN115753742A (en) * | 2022-11-02 | 2023-03-07 | 上海美析仪器有限公司 | Plasma emission spectrometer capable of efficiently atomizing and feeding sample |
| CN118330010A (en) * | 2024-06-17 | 2024-07-12 | 成都艾立本科技有限公司 | Mass spectrometry method of multi-path liquid phase sampling and multi-path liquid phase sampling system and application |
| CN118330010B (en) * | 2024-06-17 | 2024-08-30 | 成都艾立本科技有限公司 | Mass spectrometry method of multi-path liquid phase sampling and multi-path liquid phase sampling system and application |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20160530 Address after: Yang Yanlu 101407 Beijing city Huairou District Yanqi Economic Development Zone No. 88 Patentee after: National standard (Beijing) inspection & Certification Co., Ltd. Address before: 100088 Beijing city Xicheng District Xinjiekou Avenue No. 2 Patentee before: General Research Institute for Nonferrous Metals |
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Granted publication date: 20120801 |