CN116380540A - Outdoor sampling device for metal stable isotopes in underground water - Google Patents
Outdoor sampling device for metal stable isotopes in underground water Download PDFInfo
- Publication number
- CN116380540A CN116380540A CN202310177530.2A CN202310177530A CN116380540A CN 116380540 A CN116380540 A CN 116380540A CN 202310177530 A CN202310177530 A CN 202310177530A CN 116380540 A CN116380540 A CN 116380540A
- Authority
- CN
- China
- Prior art keywords
- base
- cavity
- sampling device
- filter layer
- convex part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 238000005070 sampling Methods 0.000 title claims abstract description 21
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 20
- 239000002184 metal Substances 0.000 title claims abstract description 19
- 239000003673 groundwater Substances 0.000 claims abstract description 11
- 238000009792 diffusion process Methods 0.000 claims abstract description 4
- 239000011347 resin Substances 0.000 claims abstract description 4
- 229920005989 resin Polymers 0.000 claims abstract description 4
- 239000012528 membrane Substances 0.000 claims description 5
- 230000006641 stabilisation Effects 0.000 claims 1
- 238000011105 stabilization Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 239000002689 soil Substances 0.000 abstract description 3
- 150000002736 metal compounds Chemical class 0.000 abstract description 2
- 150000002894 organic compounds Chemical class 0.000 abstract description 2
- 239000013049 sediment Substances 0.000 abstract description 2
- 238000011160 research Methods 0.000 description 5
- 239000004743 Polypropylene Substances 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000012298 atmosphere Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 239000000700 radioactive tracer Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 239000004695 Polyether sulfone Substances 0.000 description 1
- 229910052770 Uranium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004173 biogeochemical cycle Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 239000003223 protective agent Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- 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
- G01N1/34—Purifying; Cleaning
-
- 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
- G01N1/44—Sample treatment involving radiation, e.g. heat
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1031—Sampling from special places
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1418—Depression, aspiration
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides a field sampling device for metal stable isotopes in groundwater, which comprises a base and a sample dissolving cover, wherein the base is in a convex shape, the convex part of the base is a cavity, a sampling sample is contained in the cavity, the top end of the convex part of the base is provided with a piston opening with the radius slightly smaller than that of the cavity, the upper part of the base is connected with the sample dissolving cover through threads, the piston opening is provided with a filter layer, the filter layer comprises a three-layer structure, the filter layer, diffusion gel and a resin layer are sequentially arranged downwards from the piston opening, and the diameter of the filter layer is the same as that of the cavity of the convex part of the base. Passive samplers can measure metal and organic compounds and are commonly used to monitor water quality and evaluate soil and sediment pollution and processes.
Description
Technical Field
The invention relates to the field of passive sampling devices, in particular to a field sampling device for metal stable isotopes in groundwater.
Background
The bio-geochemical cycle of metallic elements in the natural system is usually accompanied by stable isotope fractionation, supplemented by the traditional stable isotope system (H, C, O, N, S) due to recent analytical advances, the inclusion of more elements (Li, B, mg, si, cl, ca, ti, V, cr, fe, ni, cu, zn, ge, se, br, sr, mo, ag, cd, sn, sb, te, ba, W, pt, hg, tl, U) in the periodic table of elements is exploring and possibly acting as a new geochemical environmental tracer, wherein the research on evolution of groundwater formation and application in the environmental and ecological fields is mainly focused on the following works: the origin and supply of groundwater and water-rock interaction include development and formation of karst, tracing of water pollution, tracing of groundwater flow, tracing of heavy metal pollution (Hg, pb, cr) in the atmosphere, water and soil. The method not only creates a new increasing direction of the field of groundwater research in China, but also provides a new technology for basic research innovation in China. A special sampling device is required in the acquisition process in the case of metal stable isotopes as source and process tracers.
Disclosure of Invention
In view of the above, the present invention introduces a specific technique of using a metal stable isotope as a source and a process tracer in the process of obtaining, and provides a field sampling device for the metal stable isotope in groundwater.
The main technical scheme is as follows: the utility model provides a metal stable isotope field sampling device in groundwater, includes base and a sample dissolving cover, the base is "protruding" font, the protruding part of base is the cavity, hold the sample in the cavity, the protruding part top of base is equipped with the piston mouth that the radius is slightly less than the cavity, sample dissolving cover is connected on base upper portion.
Further, a filter layer is arranged at the piston opening and comprises a three-layer structure, and a filter membrane, diffusion gel and a resin layer are sequentially arranged downwards from the piston opening.
Further, the cap and the sample dissolving cover are connected through threads.
Further, the length of the bottom layer of the base is 40mm; the diameter of the filter layer is the same as the diameter of the cavity of the convex part of the base.
The invention has the beneficial effects that:
the invention discloses a passive sampling device which is used for collecting metal element components in underground water and is widely applied to in-situ or laboratory research and monitoring tools. Passive samplers can measure metal and organic compounds and are commonly used to monitor water quality and evaluate soil and sediment pollution and processes. The whole material is PFA which can be heated, and the tightness can reach more than 99 percent.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings, in which:
FIG. 1 is a schematic diagram of the overall structure of a non-conventional isotope field sampling device in groundwater;
FIG. 2 is a schematic view of a base structure;
fig. 3 is an enlarged view of a portion of the filter layer a.
Detailed Description
The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the invention are shown in the drawings.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The utility model provides an open-air sampling device of non-traditional isotope in groundwater, includes base 1, dissolves appearance lid 3 and hot plate 4, base 1 is "protruding" font, 1 protruding part of base is the cavity, hold sample (water sample) in the cavity, 1 protruding part top of base is equipped with the radius slightly less than the piston mouth of cavity, 1 upper portion of base is through threaded connection dissolves appearance lid 3.
The filter layer 2 is arranged at the piston opening, the filter layer 2 comprises a three-layer structure, and a filter membrane 201, a diffusion gel 202 and a resin layer 203 are sequentially arranged from the piston opening downwards.
The length of the bottom layer of the base 1 is 40mm; the diameter of the filter layer 2 is the same as the diameter of the cavity of the convex part of the base 1.
The working principle is as follows: the inside of the base 1 is provided with a pretreated solution, the pretreated solution is connected with the sample dissolving cover 3 into a whole, the whole is finally a pointed cone-shaped container, the inner wall is smooth, the pretreated solution 5 after filtration is arranged at the bottom, the pointed cone-shaped container is brought back to a laboratory, the contact with the atmosphere is avoided, new pollutants are added, the whole is placed on the heating plate 4, the heating is carried out at 96-98 ℃, and after the heating, the water drops 6 can be found to be condensed at the top end of the container; finally, the condensed water droplets 6 are used to measure the metal stable isotope.
During sampling, the organic glass water sampler and an ultra-clean polypropylene (PP) sampling bottle are utilized to collect water samples, the water sampler is flushed with distilled water before collection, and the water to be collected is flushed for 3 times. 1000mL of each group of samples are collected, 30mL of the samples are filtered into ultra-clean polypropylene (PP) sampling bottles by using a disposable ultra-clean injector and a polyether sulfone filter membrane with the aperture of 0.45 mu m, 0.3mL of an analytical pure nitric acid solution with the aperture of 7.5mol/L is dripped into the bottles as a protective agent, the samples are sealed by using a PM-996Parafilm disposable sealing membrane, a sample cover is screwed, and the samples are brought back to a laboratory to wait for treatment and then used for testing metal stable isotopes.
The invention relates to a passive sampling device which is used for collecting metal element components in underground water and is widely applied to tools for research and monitoring after in-situ collection and laboratory unfolding stable isotope test. The metal passive sampler can be used for measuring metals and unconventional stable isotopes, and is generally used for researching water/rock reactions, material sources (including sources of pollutants), different water body mixing, river water sources, monitoring the pollution degree of underground water, determining the overflow supply quantity between aquifers, recovering the cave-deposition environment and the like.
The foregoing description is only of the preferred embodiments of the present application and is presented as a description of the principles of the technology being utilized. It will be appreciated by persons skilled in the art that the scope of the invention referred to in this application is not limited to the specific combinations of features described above, but it is intended to cover other embodiments in which any combination of features described above or equivalents thereof is possible without departing from the spirit of the invention. Such as the above-described features and technical features having similar functions (but not limited to) disclosed in the present application are replaced with each other.
Claims (4)
1. The utility model provides a metallic stabilization isotope field sampling device in groundwater, includes base (1) and dissolves appearance lid (3), its characterized in that: the base (1) is in a convex shape, the convex part of the base (1) is a cavity, a sampling sample is contained in the cavity, a piston opening with the radius slightly smaller than that of the cavity is arranged at the top end of the convex part of the base (1), and the upper part of the base (1) is connected with a sample dissolving cover (3).
2. The underground water metal stable isotope field sampling device according to claim 1, wherein: the piston opening is provided with a filter layer (2), the filter layer (2) comprises a three-layer structure, and a filter membrane (201), a diffusion gel (202) and a resin layer (203) are sequentially arranged downwards from the piston opening.
3. The underground water metal stable isotope field sampling device according to claim 1, wherein: the base (1) is connected with the sample dissolving cover (3) through threads.
4. The underground water metal stable isotope field sampling device according to claim 1, wherein: the bottom layer of the base (1) is 40mm in length; the diameter of the filter layer (2) is the same as the diameter of the cavity of the convex part of the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310177530.2A CN116380540A (en) | 2023-02-28 | 2023-02-28 | Outdoor sampling device for metal stable isotopes in underground water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310177530.2A CN116380540A (en) | 2023-02-28 | 2023-02-28 | Outdoor sampling device for metal stable isotopes in underground water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116380540A true CN116380540A (en) | 2023-07-04 |
Family
ID=86974013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310177530.2A Pending CN116380540A (en) | 2023-02-28 | 2023-02-28 | Outdoor sampling device for metal stable isotopes in underground water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116380540A (en) |
-
2023
- 2023-02-28 CN CN202310177530.2A patent/CN116380540A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Chen et al. | 242 Pu as tracer for simultaneous determination of 237 Np and 239,240 Pu in environmental samples | |
| CN210322421U (en) | Groundwater sample thief for hydrology and geology | |
| CN113218707A (en) | A sewage sampling device for environmental monitoring | |
| Dupont et al. | Determination of vanadium in seawater by inductively coupled plasma atomic emission spectrometry using chelating resin column preconcentration | |
| CN107305170A (en) | A kind of portable multi-function sample treatment instrument for environment measuring | |
| CN205263037U (en) | Element form on -line measuring device | |
| CN116380540A (en) | Outdoor sampling device for metal stable isotopes in underground water | |
| CN203231915U (en) | Sampler for sampling pore water of sediments in rivers or lakes | |
| CN207816631U (en) | Overlying water and sediment interstitial water one harvester | |
| CN106323697B (en) | The method of sampling of atmosphere reactive gaseous mercury is carried out using passive sampling apparatus | |
| CN201926625U (en) | Rapid detection case for detecting harmful substance in traditional Chinese medicine | |
| BR8007514A (en) | LIQUID SPECIMEN COLLECTOR DEVICE | |
| CN109444944A (en) | The fast automatic analysis method and device of tritium in water | |
| CN110261210A (en) | The alpha energy spectrum method of testing of the method for separating and concentrating of uranium and uranium in sample of sandstone | |
| CN206489128U (en) | A kind of continuous automatic sampling and analyzing device for determining air carbonate | |
| CN201191244Y (en) | Cup and tube integrated urine sample collecting container | |
| CN212432673U (en) | Sampler for detecting fine chemical water environment | |
| CN103759971A (en) | Industrial wastewater sample collecting device and method with function of enriching heavy metal elements | |
| CN208206548U (en) | A kind of novel hydrophore | |
| CN213180779U (en) | Soil collector | |
| CN206756475U (en) | For the sampling appliance in surface contaminant solvent sampling method | |
| CN213600372U (en) | On-spot sampling anchor clamps of environmental monitoring | |
| CN108956859A (en) | A kind of method and Related product measuring pollutant concentration in Human body package environment | |
| CN214794003U (en) | A sewage sampling device for environmental monitoring | |
| JP2003194779A (en) | Specifying method according to lead isotope ratio such as smuts |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |