CN113552151A - X-ray fluorescence spectrometer and ion enrichment device thereof - Google Patents
X-ray fluorescence spectrometer and ion enrichment device thereof Download PDFInfo
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- CN113552151A CN113552151A CN202010353318.3A CN202010353318A CN113552151A CN 113552151 A CN113552151 A CN 113552151A CN 202010353318 A CN202010353318 A CN 202010353318A CN 113552151 A CN113552151 A CN 113552151A
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- resin powder
- water
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- 238000004876 x-ray fluorescence Methods 0.000 title claims abstract description 17
- 239000000843 powder Substances 0.000 claims abstract description 45
- 239000011347 resin Substances 0.000 claims abstract description 45
- 229920005989 resin Polymers 0.000 claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000007788 liquid Substances 0.000 claims description 20
- 210000004379 membrane Anatomy 0.000 claims description 16
- 239000012528 membrane Substances 0.000 claims description 16
- 210000001503 joint Anatomy 0.000 claims description 15
- 239000012466 permeate Substances 0.000 claims description 10
- 210000002469 basement membrane Anatomy 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 238000005253 cladding Methods 0.000 claims description 3
- 241001232787 Epiphragma Species 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 13
- 150000002500 ions Chemical class 0.000 description 29
- 239000000523 sample Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 6
- 150000001450 anions Chemical class 0.000 description 4
- 150000001768 cations Chemical class 0.000 description 4
- 238000001914 filtration Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/22—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
- G01N23/2202—Preparing specimens therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/40—Concentrating samples
- G01N1/405—Concentrating samples by adsorption or absorption
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/22—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
- G01N23/223—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material by irradiating the sample with X-rays or gamma-rays and by measuring X-ray fluorescence
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
The application provides an X-ray fluorescence spectrometer and ion enrichment device thereof, and the ion enrichment device comprises a base assembly and an upper cover detachably connected with the base assembly. The base component comprises a base, resin powder and a permeable top film, wherein the top of the base is provided with an accommodating cavity, and the resin powder is accommodated in the accommodating cavity; the permeable top film is coated on the top side of the resin powder and is exposed out of the accommodating cavity; the upper cover is provided with a water permeable hole positioned above the accommodating cavity. This application X ray fluorescence spectrometer and ion enrichment device thereof, the resin powder direct detection of removable upper cover to base subassembly after the enrichment, convenient operation is laborsaving to the resin powder need not the secondary and removes, can improve and detect the precision.
Description
Technical Field
The application relates to an X-ray fluorescence spectrometer and an ion enrichment device thereof.
Background
The method comprises the steps of detecting metal anions or cations contained in liquid by using an X-ray fluorescence analyzer, filtering the liquid by using resin powder in an ion adsorption mode generally when the content of the metal anions or cations in the liquid is low and the ion content in the liquid cannot be effectively detected by the X-ray fluorescence analyzer, adsorbing the anions or cations in the liquid to the surface of the resin powder to realize ion enrichment, and then placing the resin powder after ion adsorption on the X-ray fluorescence analyzer for detection, thereby greatly reducing the detection limit of the metal ions. The resin powder of current ion enrichment piece all places in the middle lower position of ion enrichment piece, and after the ion enrichment, need pour the resin powder that has adsorbed the ion into sample cup and detect again, and this process is not only wasted time and energy, can influence test effect moreover.
Therefore, there is a need for improvements to existing X-ray fluorescence spectrometers.
Disclosure of Invention
The application provides an X-ray fluorescence spectrometer and ion enrichment device thereof, easy operation is laborsaving, and can improve and detect the precision.
Specifically, the method is realized through the following technical scheme: the utility model provides an ion enrichment device, the ion enrichment device include the base subassembly and with the upper cover of connection can be dismantled to the base subassembly, the base subassembly includes base, resin powder and the apical membrane that permeates water, the base top is equipped with and holds the chamber, the resin powder holds hold the intracavity, permeate water the apical membrane cladding in the top side of resin powder is exposed hold the chamber, the upper cover is equipped with and is located hold the hole of permeating water of chamber top. This application ion enrichment device, the resin powder direct detection of detachable upper cover to base subassembly after the enrichment, convenient operation is laborsaving to the resin powder need not the secondary and removes, can improve and detect the precision.
According to an embodiment of the present application, the base is threadedly coupled to the upper cover to facilitate installation and separation.
According to an embodiment of the application, the top of upper cover is equipped with cavity guide post, the open top and the bottom of guide post are equipped with first diapire, first diapire is equipped with the hole of permeating water. The guide column can guide the sample liquid to slowly dip into the resin powder of the base component.
According to an embodiment of the present application, the first bottom wall presses against the permeable top film, which ensures that the sample liquid is dripped into the containing cavity.
According to an embodiment of this application, it is equipped with the second diapire that has the outlet to hold the chamber, the base subassembly is still including being located the second diapire with the basement membrane that permeates water between the resin powder, it accepts to hold the chamber and comes from the liquid in the hole of permeating water and discharge by the outlet hold the chamber. The resin powder is sealed by the bottom side of the water permeable basement membrane.
According to an embodiment of the application, the second diapire is equipped with the support a plurality of protruding muscle of basement membrane of permeating water, a plurality of form between the protruding muscle with permeate water a plurality of clearances of hole intercommunication. The base assembly can be drained quickly by means of the ribs and the gaps.
According to an embodiment of the application, the base still be equipped with the drainage column of outlet intercommunication, drainage column downwardly extending surpasss the bottom surface of base. The exhaust column directs the sample fluid out of the base assembly.
According to an embodiment of this application, the base is equipped with and forms hold the butt joint portion in chamber, the apical membrane that permeates water by the top surface of butt joint portion is to cladding all around the lateral wall of butt joint portion, the base subassembly still includes the snap ring, the snap ring cover is in the outside of butt joint portion is fixed the apical membrane that permeates water. The clamping ring clamps and fixes the permeable top film between the butt joint part and the clamping ring.
According to one embodiment of the application, the upper cover is provided with an upper cavity and a lower cavity with the diameter larger than that of the upper cavity, and a step surface is formed between the upper cavity and the lower cavity; the base includes the main part and certainly the main part upwards extends butt joint portion, butt joint portion stretches into go up the intracavity, the main part stretches into lower intracavity, ion enrichment device still including being located the step face with sealing washer between the main part. Sealing ring can seal and connect upper cover and base subassembly
The application can also be realized by the following technical scheme: an X-ray fluorescence spectrometer comprises the ion enrichment device. This application X ray fluorescence spectrometer's ion enrichment device, the resin powder direct detection of base subassembly is answered to the removable upper cover after the enrichment, and convenient operation is laborsaving to the resin powder need not secondary movement, can improve and detect the precision.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
Fig. 1 is a perspective assembly view of an ion enrichment device according to one embodiment of the present application.
Fig. 2 is a cross-sectional view of the ion enrichment device of fig. 1.
Fig. 3 is a perspective assembly view of the base assembly of the ion enrichment device of fig. 1.
Fig. 4 is a perspective view of the base assembly of fig. 3.
Fig. 5 is an exploded perspective view of the base assembly.
Fig. 6 is a bottom plan view of the upper lid of the ion enrichment device of fig. 1.
Description of reference numerals:
the base assembly 1, the base 11, the accommodating cavity 111, the second bottom wall 112, the water outlet 113, the ribs 114, the gaps 115, the water drainage columns 116, the main body 117, the butt joint part 118, the resin powder 12, the water permeable top film 13, the water permeable bottom film 14, the snap ring 15, the upper cover 2, the water permeable holes 21, the guide columns 22, the first bottom wall 23, the upper cavity 24, the lower cavity 25, the step surface 26 and the sealing ring 3.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of devices, systems, apparatuses, and methods consistent with certain aspects of the present application, as detailed in the appended claims.
The application relates to an ion enrichment device of an X-ray fluorescence spectrometer, which is shown by referring to fig. 1 and 2, and comprises a base assembly 1 and an upper cover 2, wherein the base assembly 1 comprises a base 11, resin powder 12 and a water-permeable top film 13 for fixing the resin powder 12 in the base 11. Upper cover 2 and base 11 are the working of plastics, and upper cover 2 and base 11 can be dismantled and be connected, and in this embodiment, both adopt threaded connection, easy to assemble and separation. As a simple alternative, the upper cover 2 and the base 11 may be connected by a snap-fit connection.
Referring to fig. 3, the top of the base 11 is provided with an accommodating cavity 111, the resin powder 12 is accommodated in the accommodating cavity 111 and compacted, the permeable top film 13 is coated on the top side of the resin powder 12 and exposed out of the accommodating cavity 111, and the resin powder 12 is sealed in the accommodating cavity by the permeable top film 13 and is not easy to leak and scatter. The components of the permeable top film 13 are light elements such as hydrocarbon, and the fluorescent light generated by the ions adsorbed by the resin powder 12 is not affected during detection. The water permeable membrane is water permeable, water resistant and thin, and does not influence the detection of a detecting head of an X-ray fluorescence spectrometer. The upper cover 2 is provided with a water permeable hole 21 positioned above the accommodating cavity 111, the sample liquid is guided by the upper cover 2 to penetrate through the water permeable top film 13 through the water permeable hole 21 to permeate into the resin powder 12, and the resin powder 12 adsorbs anions or cations in the sample liquid to realize ion enrichment. Then the upper cover 2 is taken down, the water-permeable top film 13 at the top of the base component 1 is exposed, the top surface of the resin powder 12 at the lower side of the water-permeable top film 13 is basically flush with the top surface of the base component 1, the base component 1 is directly placed on a detection position of an X-ray fluorescence spectrometer, a detection head can receive fluorescence which passes through the water-permeable top film 13 and is emitted by ionic elements adsorbed by the resin powder 12, and the whole enrichment and detection process is convenient and labor-saving to operate; and the resin powder 12 does not undergo secondary movement, the detection accuracy can be improved.
Referring with emphasis to fig. 2, the top of the upper cover 2 is provided with an upwardly protruding hollow guide post 22, and the hollow guide post 22 is a luer in this embodiment. The guiding column 22 is open at the top and has a first bottom wall 23 at the bottom, and the first bottom wall 23 is provided with the aforementioned water-permeable holes 21 (see fig. 6). The guide pins 22 can guide the sample liquid to slowly dip into the resin powder 12 in the containing chamber 111 of the base member 1.
In addition, when the upper cover 2 and the base assembly 1 are assembled together, the first bottom wall 23 presses the top permeable membrane 13 of the base assembly 1 downward, so as to ensure that the sample solution drops into the accommodating cavity 111.
As shown in fig. 3 to 5, the accommodating cavity 111 of the base 11 is provided with a second bottom wall 112, and the second bottom wall 112 is provided with a water outlet 113. The base assembly 1 further comprises a water-permeable base membrane 14 between the second bottom wall 112 and the resin powder 12, the water-permeable base membrane 14 being fixed within the accommodation chamber 111 by the weight of the resin powder 12. The containing chamber 111 receives the sample liquid from the permeable hole 21 of the upper cover 2 and discharges the sample liquid from the containing chamber 111 through the water discharge port 113, the permeable bottom membrane 14 seals the resin powder 12 from the bottom side, such as the permeable top membrane 13 seals the resin powder 12 from the top side, the permeable top membrane 13 and the permeable bottom membrane 14 together seal the resin powder 12, and the filtration of the sample liquid is realized.
The second bottom wall 112 is further provided with a plurality of ribs 114 for supporting the water permeable basement membrane 14, gaps 115 communicated with the water permeable holes 21 are formed between the ribs 114, and sample liquid flowing out of the water permeable basement membrane 14 can enter the water permeable holes 21 through the gaps 115, so that the base assembly 1 can rapidly drain water.
The base 11 is further provided with a drainage column 116 located below the accommodating cavity 111 and communicated with the drainage port 113, the drainage column 116 extends downwards to exceed the bottom surface of the base 11, and the drainage column 116 provides a guiding function and can guide the sample liquid to be drained out of the base assembly 1.
The base 11 includes a main body 117 and a butt portion 118 extending upward from the main body 117, the butt portion 118 forms the accommodating chamber 111, the permeable top film 13 covers the resin powder 12 and covers the butt portion 118, and an outer side wall of the butt portion 118 is covered from a top surface of the butt portion 118 to the periphery. The base assembly 1 is further provided with a plastic snap ring 15, the snap ring 15 is sleeved outside the abutting portion 118, and the water permeable top film 13 is clamped between the abutting portion 118 and the snap ring 15, so that the water permeable top film 13 is fixed.
Referring back to fig. 2, a step cavity is formed in the upper cover 2, and includes an upper cavity 24 and a lower cavity 25 having a diameter larger than that of the upper cavity 24, and a step surface 26 is formed between the upper cavity 24 and the lower cavity 25. The butt joint part 118 of the base 11 extends into the upper cavity 24, the upper plate part of the main body 117 of the base 11 extends into the lower cavity 25, the outer side wall of the main body 117 is provided with an external thread, the inner side wall of the lower cavity 25 is provided with an internal thread, and the two are in threaded connection.
The ion enrichment device further comprises a sealing ring 3, wherein the sealing ring 3 is located between the step surface 26 and the main body 117 and can be connected with the upper cover 2 and the base assembly 1 in a sealing mode.
During assembly, the permeable basement membrane 14 is firstly laid in the containing cavity 111 of the base 11, then the resin powder 12 is put in and compacted, the permeable top membrane 13 is covered, and then the clamping ring 15 is buckled, so that the assembly of the base component 1 is completed; the sealing ring 3 is placed in the lower cavity 25 of the upper cover 2, and then the upper cover 2 and the base assembly 1 are screwed, so that the ion enrichment device can be assembled.
When the ion enrichment device is used, a syringe or an injection head (not shown) filled with a liquid sample is screwed on the luer connector of the upper cover 2, the syringe is started, the liquid sample slowly enters the resin powder 12 through the water-permeable top film 13, and the absorbed liquid flows out of the base assembly 1 through the water-permeable bottom film 14 to finish the ion enrichment process; then the upper cover 2 is screwed out, the surface of the permeable top film 13 of the base component 1 is placed on the detection position of the X-ray fluorescence spectrometer, and a detection head (not shown) can directly detect the fluorescence of the metal ions on the ion enrichment device.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
Terms such as "upper," "lower," "left," "right," "front," "back," "thickness," "radial," "axial," and the like, used herein to denote relative spatial positions, are used for ease of description to describe one feature's relationship to another feature as illustrated in the figures, and are not limited to one position or one spatial orientation. It will be understood that the spatially relative positional terms may be intended to encompass different orientations than those shown in the figures depending on the product presentation position and should not be construed as limiting the claims. In addition, the descriptor "horizontal" as used herein is not entirely equivalent to allowing an angular tilt along a direction perpendicular to the direction of gravity.
The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items.
It should be noted that when an element is referred to as being "secured …" to another element, it can be directly on the surface of the other element or can be spaced apart from the surface of the other element. The terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected or detachably connected or integrated; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It should be understood that the use of "first," "second," and similar terms in the description and claims do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. "plurality" or "multiple layers" and the like mean two or more.
The present application is only a preferred embodiment of the present application and should not be limited to the above embodiments, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. An ion enrichment device, characterized in that: ion enrichment device include base subassembly (1) and with upper cover (2) of connection can be dismantled in base subassembly (1), base subassembly (1) includes base (11), resin powder (12) and permeates water apical membrane (13), base (11) top is equipped with and holds chamber (111), resin powder (12) hold in chamber (111), permeate water apical membrane (13) cladding is in the top side of resin powder (12) exposes hold chamber (111), upper cover (2) are equipped with and are located hold permeable hole (21) of chamber (111) top.
2. The ion enrichment device of claim 1, wherein: the base (11) is in threaded connection with the upper cover (2).
3. The ion enrichment device of claim 1, wherein: the top of upper cover (2) is equipped with cavity guide post (22), the open and bottom in top of guide post (22) is equipped with first diapire (23), first diapire (23) are equipped with hole (21) of permeating water.
4. The ion enrichment device of claim 3, wherein: the first bottom wall (23) is pressed against the permeable top membrane (13).
5. The ion enrichment device of claim 1, wherein: hold chamber (111) and be equipped with second diapire (112) that have outlet (113), base subassembly (1) still includes and is located second diapire (112) with the basement membrane (14) that permeates water between resin powder (12), hold chamber (111) and accept to come from the liquid of permeating water hole (21) and discharge by outlet (113) hold chamber (111).
6. The ion enrichment device of claim 5, wherein: the second bottom wall (112) is provided with a plurality of ribs (114) for supporting the water permeable basement membrane (14), and a plurality of gaps (115) communicated with the water permeable holes (21) are formed between the ribs (114).
7. The ion enrichment device of claim 5, wherein: base (11) still be equipped with drainage column (116) of outlet (113) intercommunication, drainage column (116) downwardly extending surpasss the bottom surface of base (11).
8. The ion enrichment device of claim 1, wherein: base (11) are equipped with and form butt joint portion (118) of holding chamber (111), it is by to wrap all around to the top surface of butt joint portion (118) to pass through water epiphragma (13) the lateral wall of butt joint portion (118), base subassembly (1) still includes snap ring (15), snap ring (15) cover is in the outside of butt joint portion (118) is fixed it is epimembranal (13) to pass through water.
9. The ion enrichment device of claim 8, wherein: the upper cover (2) is provided with an upper cavity (24) and a lower cavity (25) with the diameter larger than that of the upper cavity (24), and a step surface (26) is formed between the upper cavity (24) and the lower cavity (25); the base (11) includes main part (117) and certainly main part (117) upwards extend butt joint portion (118), butt joint portion (118) stretch into in last chamber (24), main part (117) stretch into in lower chamber (25), the ion enrichment device still including being located step face (26) with sealing washer (3) between main part (117).
10. An X-ray fluorescence spectrometer, comprising: comprising an ion enrichment device according to any one of claims 1 to 9.
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| CN202010353318.3A CN113552151B (en) | 2020-04-23 | 2020-04-23 | X-ray fluorescence spectrometer and ion enrichment device thereof |
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| CN202010353318.3A CN113552151B (en) | 2020-04-23 | 2020-04-23 | X-ray fluorescence spectrometer and ion enrichment device thereof |
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| CN113552151B CN113552151B (en) | 2024-04-19 |
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