CN109342474A - Solid phase extraction concentration device and with its associated with XRF - Google Patents
Solid phase extraction concentration device and with its associated with XRF Download PDFInfo
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- CN109342474A CN109342474A CN201710644663.0A CN201710644663A CN109342474A CN 109342474 A CN109342474 A CN 109342474A CN 201710644663 A CN201710644663 A CN 201710644663A CN 109342474 A CN109342474 A CN 109342474A
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- cavity cylinder
- enriching column
- adsorbent
- solid phase
- propeller
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- 238000002414 normal-phase solid-phase extraction Methods 0.000 title claims abstract description 28
- 239000003463 adsorbent Substances 0.000 claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 230000035699 permeability Effects 0.000 claims abstract description 5
- 239000003957 anion exchange resin Substances 0.000 claims abstract description 3
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims abstract 2
- 239000003729 cation exchange resin Substances 0.000 claims abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 41
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 22
- 238000001514 detection method Methods 0.000 abstract description 8
- 150000002500 ions Chemical class 0.000 abstract description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052737 gold Inorganic materials 0.000 abstract description 2
- 239000010931 gold Substances 0.000 abstract description 2
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 239000011347 resin Substances 0.000 description 9
- 229920005989 resin Polymers 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- 239000007790 solid phase Substances 0.000 description 5
- 239000012491 analyte Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- WURBVZBTWMNKQT-UHFFFAOYSA-N 1-(4-chlorophenoxy)-3,3-dimethyl-1-(1,2,4-triazol-1-yl)butan-2-one Chemical compound C1=NC=NN1C(C(=O)C(C)(C)C)OC1=CC=C(Cl)C=C1 WURBVZBTWMNKQT-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000001095 inductively coupled plasma mass spectrometry Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000012086 standard solution Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004457 water analysis Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 238000004876 x-ray fluorescence Methods 0.000 description 1
Classifications
-
- 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
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/07—Investigating materials by wave or particle radiation secondary emission
- G01N2223/076—X-ray fluorescence
Landscapes
- 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)
- Sampling And Sample Adjustment (AREA)
Abstract
The embodiment of the invention discloses a kind of solid phase extraction concentration device and with its associated with XRF, the device includes the enriching column (200) with cavity cylinder, the top of enriching column is inlet, cavity cylinder bottom is built-in with the enrichment piece (300) for always penetrating fluidity adsorbent material, and the cavity inboard wall of cylinder sealing of the enrichment piece (300) and enriching column (200) cooperates；Device further includes a propeller (100) that cavity cylinder can be entered and left from inlet；Propeller (100) one end is the cock body (110) in the cavity cylinder for being slidably disposed in the enriching column and with cavity cylinder sealing cooperation, and liquid permeability adsorbent material is anion exchange resin or cation exchange resin.The present invention can make trace gold in water category ion enrichment in adsorbent material by solid phase extraction concentration device, so that XRF is passed through detection adsorbent material micro to trace heavy metal contents level in aqueous solution to analyze.
Description
Technical field
The invention belongs to water analysis technical field, more particularly to a kind of solid phase extraction concentration device and with its associated with
XRF。
Background technique
Heavy metal element in water body is an important content of water quality monitoring, measures the heavy metal member in water environment at present
The method of element is mainly atomic absorption spectrography (AAS) and inductively coupled plasma mass spectrometry.
The pretreatment process of both methods is complicated, and analysis instrument is expensive, and the testing cost of sample is higher, is not suitable for
The frequent or long term monitoring of water quality uses.
Xray fluorescence spectrometer (X Ray Fluorescence, abbreviation XRF), which is able to achieve, exists to detection device for multi metallic elements
Line detection, have many advantages, such as that easy to operate, testing cost is low, detection accuracy is high, but in surface water, underground water and seawater to
Check weighing tenor is very low (such as ppb grades), far below the detection limit of XRF spectrometer, to limit XRF heavy metal in water
Application in pollution determination.
Summary of the invention
The technical problem that the embodiment of the present invention solves is: provide a kind of solid phase extraction concentration device and with its associated with
XRF, solid phase extraction concentration device can make trace gold in water category ion enrichment in adsorbent material, so that XRF passes through measurement absorption
It is micro to trace heavy metal content in material analysis water.
According to an aspect of an embodiment of the present invention, a kind of Solid Phase Extraction SPE (Solid-Phase is provided
Extraction) enriching apparatus, comprising: the enriching column (200) with cavity cylinder, the top of enriching column are inlet, cavity
Cylinder bottom is built-in with and always penetrates the enrichment piece (300) of fluidity adsorbent material, the enrichment piece (300) and enriching column (200)
The sealing cooperation of cavity inboard wall of cylinder；Device further includes a propeller (100) that cavity cylinder can be entered and left from inlet；Propeller
(100) one end is the plug in the cavity cylinder for being slidably disposed in the enriching column and with cavity cylinder sealing cooperation
Body (110), liquid permeability adsorbent material are Anion-adsorption resin or Cation adsorption resin.
Another aspect according to an embodiment of the present invention provides a kind of XRF, comprising: the extraction of solid phase described in above-described embodiment
Take SPE enriching apparatus.
Solid Phase Extraction SPE enriching apparatus provided by the invention, the device are inhaling heavy metal accumulation in water by being enriched with piece
On enclosure material, adsorbent material is detected by XRF, measures the content of beary metal being wherein enriched with, not only avoids complexity
Pretreatment process has the advantages that easy to operate, process flow is short, equipment cost is low etc.；Also, compared to target in initial water sample
The concentration of analyte, the analyte concentration after enrichment improve 2 orders of magnitude or higher, make detection of the XRF to heavy metal in water
Limit reaches ppb grades.Effectively solve the test problems of heavy metal element in water quality.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the Solid Phase Extraction SPE enriching apparatus of the present invention；
XRF of the Fig. 2 for the present invention comprising Solid Phase Extraction SPE enriching apparatus uses schematic diagram.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, the positioned opposite of the component otherwise illustrated in these embodiments, numerical expression and the unlimited system of numerical value are of the invention
Range.
The embodiment of the invention provides a kind of solid phase extraction concentration devices, as shown in Figure 1, including the richness with cavity cylinder
Clustered column (200), the top of enriching column are inlet, and cavity cylinder bottom is built-in with the enrichment piece for always penetrating fluidity adsorbent material
(300), the enrichment piece (300) and the cavity inboard wall of cylinder of enriching column (200), which seal, cooperates；Device further includes one can be from inlet
Enter and leave the propeller (100) of cavity cylinder；Propeller (100) one end is the cavity column for being slidably disposed in the enriching column
The cock body (110) cooperated in vivo and with cavity cylinder sealing.
Using solid phase extraction concentration device of the invention, test water sample need to be only injected into enriching column (200), then be pushed away
Enter propeller downlink, so that test water sample flows out enriching column (200) by the adsorbent material in enrichment piece (200), to make
Heavy metal element is enriched in adsorbent material, then uses XRF technical testing adsorbent material, can be realized to water sample content of beary metal
Detection.Solid phase extraction concentration device of the invention, using needle tube type structure, have easy to operate, process flow is short, equipment at
This low advantage.
The present invention does not limit the adsorbent material structure in enrichment piece, as shown in Figure 1, enrichment piece (300) includes to have sealing
The connector (320) of property and adsorbent (310) with taper, adsorbent (310) through connector (320) center and with
The connector is slidingly sealed cooperation, and adsorbent includes liquid permeability adsorbent material.
It is equally also fitted using the adsorbent of other up big and down small structures such as the adsorbent of small one and large one two cylindrical structures
Answer the application.
Further, adsorbent (310) is frustum cone structure, and adsorbent and connector are tightly connected, and is enriched with piece (300) and rich
When clustered column (200) connects, the bottom surface (313) of rotary table is towards propeller cock body.Using the adsorbent of up big and down small structure, so that inhaling
Attached body can efficiently be enriched with the object ion in water sample, and will not be detached from enrichment piece in propeller downward storke.
In Fig. 1, adsorbent rotary table (310) with a thickness of at least 2mm, preferably 2-10mm, rotary table (310) bottom surface
Diameter is at least 2mm, preferably 2-8mm.
Optionally, adsorbent (310) is connect with connector (320) slidable sealing, after water quality enrichment, is enriched with piece
(300) it can be detached from enriching column (200), adsorbent (310) can also be detached from enrichment piece (300).So can be with, using adsorbent as
Consumptive material, the recyclable Reusability of the other component of solid phase extraction concentration device improve Solid Phase Extraction richness of the present invention to maximize
The utilization rate of acquisition means saves test material, reduces the wasting of resources.
In the present invention, water penetration adsorbent material is resin, and resin preferred ion exchanger resin is handed over including cation
Change resin or anion exchange resin.
For the ease of recording the volume of water sample, in the present invention it is possible to indicate scale on the outside of enriching column (200).
Using solid phase extraction concentration device of the present invention, when injection water sample only accounts for the partial volume of enriching column, push-in is promoted
There is air cock body (110) front end of device, propeller, so that propeller friction in down stroke is larger, is unfavorable for pushing propeller, in order to
The air of cock body front end is discharged, in solid phase extraction concentration device of the invention, can be equipped in propeller coaxial direction logical
Air column makes ventilating column be in aeration status when being pushed into propeller, separate in propeller after the air before cock body is substantially discharged
The end of cock body will ventilate column sealing, continue to press on propeller downlink, water sample is squeezed out adsorbent.
In the present invention, enrichment piece (300) is connect with enriching column (200) removable seal, wherein enrichment piece can be glue
Body material；Or sealing screw thread is set in enrichment column bottom, enrichment piece lateral body sets external seal screw thread, and enrichment piece and enriching column pass through sealing
It is threadedly coupled.Further, in order to improve sealing effect, cock body lateral body can be equipped at least one leakage-proof ring.
Testing water sample includes the water samples such as drinking water, underground water and waste water, can be straight if it is not high to fix granule content in water sample
It connects using solid phase extraction concentration device of the present invention, if it is higher to fix granule content in water sample, is using solid phase of the present invention extraction
Before taking enriching apparatus, filter device can be used, processing first is filtered to water sample, to reduce solid particle to adsorbent
(310) pollution.
In addition, including solid phase extraction concentration shown in any of the above-described embodiment the embodiment of the invention also provides a kind of XRF
Device.
As shown in Fig. 2, detecting water sample tenor using XRF, it may include following steps:
(1) water sample to be detected is handled through pretreating device, filters out solid therein through filter therein (201)
Particle.
(2) water sample enters perfusor (202) after filtering.
(3) enriching column of solid phase extraction concentration device (203) is moved to perfusor (202) position by sample injector (204), note
A certain amount of filtered water sample is injected the enriching column of solid phase extraction concentration device (203) by sample device (202).
(4) sample injector (204) removes the enriching column of solid phase extraction concentration device (203), and pushes solid phase extraction concentration
The propeller of device (203) makes water sample to be measured be enriched in solid phase by being enriched with piece adsorbent, the heavy metal element in water sample to be measured
On resin sheet (adsorbent) in extraction equipment；It is enriched with piece and is detached from solid-phase extraction device.
(4) the mobile enrichment piece for being enriched with heavy metal of sample injector (204) is to XRF spectroanalysis instrument (205) sample bin.And lead to
It crosses XRF spectroanalysis instrument (205) to detect the heavy metal of enrichment, obtains the fluorescence of heavy metal element in the water sample to be measured
Intensity value.
(5) a variety of different heavy metals are taken, are configured to a series of titer of various concentrations respectively, and using enrichment piece to it
In heavy metal be enriched with, then detected with XRF spectroanalysis instrument, obtain the fluorescence of different heavy metals, various concentration
Intensity value, and according to the ascending concentration-Standardization curve for fluorescence intensity for drawing the heavy metal of concentration, every kind of element is one corresponding
Standard curve.
(6) step (4) resulting fluorescence intensity is compared with the fluorescence intensity of standard solution obtained by step (5), is obtained
The type and concentration of heavy metal in the water sample to be measured out.
Heavy metal in the detectable water quality of the present invention includes lead, chromium, cadmium, mercury, arsenic, selenium, antimony, barium etc..
Solid Phase Extraction SPE enriching apparatus provided by the invention, the device are consolidating heavy metal accumulation in water by being enriched with piece
On phase resin, solid-phase resin is detected by XRF, measures the content of beary metal being wherein enriched with, not only avoids complexity
Pretreatment process has the advantages that easy to operate, process flow is short, equipment cost is low etc.；Also, compared to target in initial water sample
The concentration of analyte, the analyte concentration after enrichment improve 2 orders of magnitude or higher, make detection of the XRF to heavy metal in water
Limit reaches ppb grades, effectively solves the test problems of heavy metal element in water quality.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with its
The difference of its embodiment, the same or similar part cross-reference between each embodiment.
Description of the invention is given for the purpose of illustration and description, and is not exhaustively or will be of the invention
It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.It selects and retouches
It states embodiment and is to more preferably illustrate the principle of the present invention and practical application, and those skilled in the art is enable to manage
The solution present invention is to design various embodiments suitable for specific applications with various modifications.
Claims (10)
1. a kind of solid phase extraction concentration device, including the enriching column (200) with cavity cylinder, the top of enriching column is feed liquor
Mouthful, which is characterized in that
Cavity cylinder bottom is built-in with the enrichment piece (300) for always penetrating fluidity adsorbent material, the enrichment piece (300) and institute
State the cavity inboard wall of cylinder sealing cooperation of enriching column (200)；
Described device further includes a propeller (100) that cavity cylinder can be entered and left from inlet；Propeller (100) one end
To be slidably disposed in the cock body (110) in the cavity cylinder of the enriching column and with cavity cylinder sealing cooperation；
The liquid permeability adsorbent material is anion exchange resin or cation exchange resin.
2. the apparatus according to claim 1, which is characterized in that enrichment piece (300) includes the connection with leakproofness
Body (320) and adsorbent (310) with taper, the adsorbent (310) through the connector (320) center and with
The connector is slidingly sealed cooperation, and the adsorbent includes the liquid permeability adsorbent material.
3. the apparatus of claim 2, which is characterized in that the adsorbent is frustum cone structure, the outsole of the rotary table
Cock body of the face (311) towards the propeller.
4. the apparatus of claim 2, which is characterized in that the thickness of the rotary table is at least 2mm, the rotary table bottom surface
Diameter be at least 2mm.
5. device according to claim 4, which is characterized in that the diameter of the rotary table bottom surface is 2-10mm, the rotary table
With a thickness of 2-8mm.
6. the apparatus according to claim 1, which is characterized in that enriching column (200) outer surface is labeled with scale.
7. the apparatus according to claim 1, which is characterized in that propeller (100) coaxial direction is equipped with salable logical
Air column.
8. the apparatus according to claim 1, which is characterized in that the connector of enrichment piece (300) is colloidal materials, or
Enrichment piece (300) and the cavity cylinder of the enriching column (200) are threadedly engaged by sealing.
9. the apparatus according to claim 1, which is characterized in that the cock body (110) is equipped at least one leakage-proof ring.
10. a kind of XRF, which is characterized in that include solid phase extraction concentration device described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710644663.0A CN109342474A (en) | 2017-08-01 | 2017-08-01 | Solid phase extraction concentration device and with its associated with XRF |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710644663.0A CN109342474A (en) | 2017-08-01 | 2017-08-01 | Solid phase extraction concentration device and with its associated with XRF |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109342474A true CN109342474A (en) | 2019-02-15 |
Family
ID=65291332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710644663.0A Pending CN109342474A (en) | 2017-08-01 | 2017-08-01 | Solid phase extraction concentration device and with its associated with XRF |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109342474A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112649454A (en) * | 2019-10-09 | 2021-04-13 | 清华苏州环境创新研究院 | Method for detecting concentration of heavy metal in liquid |
| CN113552151A (en) * | 2020-04-23 | 2021-10-26 | 北京安科慧生科技有限公司 | X-ray fluorescence spectrometer and ion enrichment device thereof |
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| CN202869877U (en) * | 2012-11-02 | 2013-04-10 | 陕西出入境检验检疫局检验检疫技术中心 | Sample purifying and filtering device |
| CN105891245A (en) * | 2016-04-19 | 2016-08-24 | 北京安科慧生科技有限公司 | Solid-phase extraction and XFR combined method and device for detecting heavy metal in water |
| CN205656174U (en) * | 2016-05-25 | 2016-10-19 | 中南大学 | System for be used for detecting trace metal ion content |
| CN207318386U (en) * | 2017-08-01 | 2018-05-04 | 北京安科慧生科技有限公司 | Solid phase extraction concentration device and with its associated with XRF |
| CN216410841U (en) * | 2021-08-26 | 2022-04-29 | 北京市科学技术研究院分析测试研究所(北京市理化分析测试中心) | Enrichment device of elements in on-site water sample |
-
2017
- 2017-08-01 CN CN201710644663.0A patent/CN109342474A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202869877U (en) * | 2012-11-02 | 2013-04-10 | 陕西出入境检验检疫局检验检疫技术中心 | Sample purifying and filtering device |
| CN105891245A (en) * | 2016-04-19 | 2016-08-24 | 北京安科慧生科技有限公司 | Solid-phase extraction and XFR combined method and device for detecting heavy metal in water |
| CN205656174U (en) * | 2016-05-25 | 2016-10-19 | 中南大学 | System for be used for detecting trace metal ion content |
| CN207318386U (en) * | 2017-08-01 | 2018-05-04 | 北京安科慧生科技有限公司 | Solid phase extraction concentration device and with its associated with XRF |
| CN216410841U (en) * | 2021-08-26 | 2022-04-29 | 北京市科学技术研究院分析测试研究所(北京市理化分析测试中心) | Enrichment device of elements in on-site water sample |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112649454A (en) * | 2019-10-09 | 2021-04-13 | 清华苏州环境创新研究院 | Method for detecting concentration of heavy metal in liquid |
| CN113552151A (en) * | 2020-04-23 | 2021-10-26 | 北京安科慧生科技有限公司 | X-ray fluorescence spectrometer and ion enrichment device thereof |
| CN113552151B (en) * | 2020-04-23 | 2024-04-19 | 北京安科慧生科技有限公司 | X-ray fluorescence spectrometer and ion enrichment device thereof |
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