CN113820372A - Heavy metal fast detector - Google Patents
Heavy metal fast detector Download PDFInfo
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- CN113820372A CN113820372A CN202111259262.6A CN202111259262A CN113820372A CN 113820372 A CN113820372 A CN 113820372A CN 202111259262 A CN202111259262 A CN 202111259262A CN 113820372 A CN113820372 A CN 113820372A
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- heavy metal
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- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 33
- 238000001514 detection method Methods 0.000 claims abstract description 53
- 239000000523 sample Substances 0.000 claims abstract description 42
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 3
- 238000012031 short term test Methods 0.000 claims description 2
- 239000012488 sample solution Substances 0.000 abstract description 8
- 230000004913 activation Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 230000006872 improvement Effects 0.000 description 6
- 150000002500 ions Chemical class 0.000 description 6
- 235000013305 food Nutrition 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000013500 data storage Methods 0.000 description 2
- 238000000840 electrochemical analysis Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 206010027439 Metal poisoning Diseases 0.000 description 1
- 208000005374 Poisoning Diseases 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-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
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 208000010501 heavy metal poisoning Diseases 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 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
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 238000013031 physical testing Methods 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003971 tillage Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/28—Electrolytic cell components
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/28—Electrolytic cell components
- G01N27/283—Means for supporting or introducing electrochemical probes
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Molecular Biology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention discloses a heavy metal rapid detector which comprises a casing, a detection module, a control module and a display device, wherein the detection module mainly comprises a base, a temperature measuring probe, a sample cup rotating shaft, a motor, a telescopic rod and a detection head, a sample cup is arranged in the sample cup rotating shaft, and an electrode plate is arranged on the detection head. Instil into the sample solution that awaits measuring and activate in the sample cup, promote the abundant ionization of heavy metal element, the activation is accomplished the back and is switched on the electrode slice, gathers electric current, electric potential, conductance, electric quantity isosignal, substitutes the peak current data of gathering in heavy metal ion's standard curve equation to this kind and the concentration of heavy metal ion in the solution that awaits measuring that obtains, and show the testing result on display device, whole flow step is less, convenient operation, detection efficiency is high. Meanwhile, the temperature probe can record the temperature condition during detection, and the temperature condition is used for judgment under the condition of large deviation of the detection result, so that error data can be effectively eliminated.
Description
Technical Field
The invention relates to the field of instruments and meters, in particular to a heavy metal rapid detector.
Background
Crops, soil and water are gradually polluted by industrial waste gas, waste water and waste residues, and even some people directly irrigate the crops by using the industrial waste water, so that heavy metals such as cadmium, copper, arsenic, chromium, mercury, nickel, iron, aluminum, zinc, manganese, copper and the like in a soil tillage layer are greatly enriched and accumulated, and particularly, the heavy metals are serious in suburban areas. In addition, the heavy metal content in vegetables and fishes seriously exceeds the standard due to the use of a large amount of inorganic chemical pesticides and the like, and the phenomenon of chronic heavy metal poisoning of human bodies is caused due to long-term accumulation. In recent years, a plurality of heavy metal collective poisoning events have occurred in China, and high government attention and wide social attention are attracted. However, the current method for measuring the content of heavy metal is slow in detection speed, complicated in steps and expensive in instruments, and how to improve the efficiency of heavy metal content detection in food and help food enterprises and units such as grain detection stations to quickly identify the quality and safety of food is a problem to be solved urgently at present.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a heavy metal rapid detector capable of efficiently detecting food so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a heavy metal short-term test appearance, includes casing, detection module, control module and display device, detection module includes the base, sets up the temperature probe on the base and the sample cup pivot that has the pivot lid, with sample cup pivot complex motor, sets up on the base with the parallel telescopic link of sample cup pivot and set up the detection head on the telescopic link, be provided with the sample cup in the sample cup pivot, it is provided with the electrode slice to detect the head for the one side of sample cup mouth.
As a further improvement of the invention, the base is provided with a telescopic rod limiting mechanism which comprises a hollow limiting column arranged on the base, a friction sleeve arranged in the limiting column and a limiting slide block arranged on the side surface of the base.
As a further improvement of the present invention, the housing includes an upper housing and a lower housing, the display device is disposed on an upper surface of the upper housing, the base is embedded in the upper housing, and the upper housing is provided with a protective cover.
As a further improvement of the invention, a printer is arranged on the upper casing.
As a further improvement of the invention, a rechargeable battery is arranged in the lower shell, and an electric quantity indicator lamp is arranged on the upper surface of the upper shell.
As a further improvement of the present invention, an interface board is disposed in the lower housing.
As a further improvement of the invention, the bottom of the lower casing is provided with a rubber foot pad.
The method has the advantages that the sample solution to be detected is dripped into the sample cup, the sample cup is driven by the rotation of the rotating shaft of the sample cup to activate the sample solution to be detected, the heavy metal elements are promoted to be fully ionized, the electrode plate inserted into the sample solution to be detected on the detection head is electrified after the activation is finished, electric signals such as current, potential, conductance, electric quantity and the like are collected by an electrochemical analysis method, the collected peak current data is substituted into a standard curve equation of the heavy metal ions, so that the types and the concentrations of the heavy metal ions in the solution to be detected are obtained, the detection result is displayed on a display device, the whole process steps are fewer, the operation is convenient, and the detection efficiency is high. Meanwhile, the temperature probe on the base can record the temperature condition during detection, and the temperature condition is used for judgment under the condition of large deviation of the detection result, so that error data is effectively eliminated.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a schematic view of the appearance structure of the protective cover of the present invention;
FIG. 3 is a schematic view of the internal structure of the upper housing according to the present invention;
FIG. 4 is a schematic view of a part of the structure of the detection module of the present invention.
Reference numerals: 1. a housing; 2. a detection module; 3. a control module; 4. a display device; 5. a base; 6. a temperature measuring probe; 7. a rotating shaft cover; 8. a sample cup spindle; 9. a motor; 10. a telescopic rod; 11. a detection head; 12. a sample cup; 13. an electrode sheet; 14. a hollow spacing column; 15. a friction sleeve; 16. a limiting slide block; 17. an upper housing; 18. a lower housing; 19. a protective cover; 20. a printer; 21. a rechargeable battery; 22. an electric quantity indicator light; 23. an interface board; 24. a rubber foot pad.
Detailed Description
The invention will be further described in detail with reference to the following examples, which are given in the accompanying drawings.
Referring to fig. 1-4, the heavy metal rapid detector of this embodiment includes a casing 1, a detection module 2, a control module 3 and a display device 4, the display device 4 is a touch display screen, the detection module 2 includes a base 5, a temperature probe 6 and a sample cup rotating shaft 8 with a rotating shaft cover 7 which are arranged on the base 5, a gear motor 9 which is matched with the sample cup rotating shaft 8, a telescopic rod 10 which is arranged on the base 5 and is parallel to the sample cup rotating shaft 8, and a detection head 11 which is arranged on the telescopic rod 10, one end of the detection head 11 is hinged to one end of the telescopic rod 10, a sample cup 12 is arranged in the sample cup rotating shaft 8, an electrode plate 13 is arranged on one side of the detection head 11 corresponding to an opening of the sample cup 12, and the electrode plate 13 is detachably connected with the detection head 11.
Through the technical scheme, the machine shell 1, the detection module 2, the control module 3 and the touch display screen form a heavy metal detection system, before detection, the detection head 11 with the telescopic rod 10 is pulled out from the base 5, the detection head 11 is rotated, an unused electrode plate 13 is inserted into a slot for fixing the electrode plate 13 on the detection head 11, placing an unused sample cup 12 in the groove of the sample cup rotating shaft 8, dripping the sample solution to be detected into the sample cup 12, rotating the detection head 11, and press and make detection head 11 and telescopic link 10 return initial condition, but electrode slice 13 deviates from detection head 11 one end and puts into sample cup 12 in with the sample solution contact that awaits measuring, but utilize touch-control display screen to operate, drive gear motor 9 and drive sample cup pivot 8 and sample cup 12 operation, activate the sample solution that awaits measuring to the heavy metal ion fully ionizes. After the sample solution to be detected is fully activated, the electrode plate 13 is electrified, signals such as current, potential, conductance and electric quantity are acquired by an electrochemical analysis method, the acquired peak current data is substituted into a standard curve equation of heavy metal ions, so that the types and the concentrations of the heavy metal ions in the solution to be detected are obtained, and a detection result is displayed on a touch display screen. The temperature measuring probe 6 on the base 5 can record the temperature condition during detection, and the temperature condition is used for judgment under the condition of large deviation of detection results, so that error data can be effectively eliminated.
As an improved specific embodiment, the base 5 is provided with a telescopic rod 10 limiting mechanism, which includes a hollow limiting column 14 arranged on the base 5, a friction sleeve 15 arranged in the limiting column, and a limiting slide block 16 arranged on the side surface of the base 5.
Through above-mentioned technical scheme, spacing post on the base 5 can conflict and detect head 11, and limiting slide 16 to the side of base 5 can restrict telescopic link 10 and slide in fixed range, and both avoid detecting head 11 and telescopic link 10 excessively and move down jointly, guarantee to detect electrode slice 13 on the head 11 and only fully contact with the solution that awaits measuring, can not touch sample cup 12 bottoms of cups, reduce the influence to the signal of telecommunication when the circular telegram detects, and then reduce the influence to whole physical testing result. The friction sleeve 15 that sets up in the spacing post can increase frictional force to a certain extent when telescopic link 10 slides, avoids telescopic link 10 at the spacing post of the too fast roll-off of slip in-process speed or because detect first 11 and follow the spacing post of telescopic link 10 quick slip striking and lead to detecting the condition emergence that first 11 damaged.
As a modified specific embodiment, the housing 1 includes an upper housing 17 and a lower housing 18, the display device 4 is disposed on the upper surface of the upper housing 17, the base 5 is embedded in the upper housing 17, and a protective cover 19 is disposed on the upper housing 17, and the protective cover 19 can completely cover the detection module 2.
Through the technical scheme, the protective cover 19 specially used for protecting the detection module 2 is arranged on the upper shell 17, so that the detection head 11 and other precision parts can be prevented from being physically damaged, and meanwhile, various metal parts of the detection module 2 are prevented from being excessively contacted with air to generate corrosion and influence the final detection result.
As a modified embodiment, a thermal printer 20 is disposed on the upper housing 17.
Through the technical scheme, after the detection of the heavy metal content and the data analysis are completed, the thermal printer 20 can be used for printing the detected data information to record paper, so that the experimental data can be conveniently stored.
In a modified embodiment, a lithium battery is arranged in the lower housing 18 as the rechargeable battery 21, and a power indicator lamp 22 is arranged on the upper surface of the upper housing 17.
Through the technical scheme, the lithium battery is arranged in the lower shell 18, so that a user can conveniently switch to the standby power supply in the place without a power interface or in the power failure, the heavy metal content detection operation is implemented, the whole instrument cannot become heavy due to the addition of the rechargeable battery 21, the electric quantity condition of the lithium battery can be reflected by the electric quantity indicating lamp 22 in real time, and the practicability is high.
As a modified embodiment, an interface board 23 is disposed in the lower housing 18.
Through the technical scheme, the interface board 23 can be externally connected with the mobile data storage device, an electronic gear is made for the detection result, the situation that the detection result is lost to cause retesting and the like is avoided, or the heavy metal ion standard curve information stored in the mobile data storage device is utilized to help to complete the detection process.
As a modified specific embodiment, the bottom of the lower casing 18 is provided with a rubber foot pad 24.
Through the technical scheme, the arrangement of the rubber foot pad 24 can enable the instrument to be placed more stably, and the influence on the accuracy of a detection result due to vibration is avoided.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (7)
1. The utility model provides a heavy metal short-term test appearance, includes casing (1), detection module (2), control module (3) and display device (4), its characterized in that: detection module (2) include base (5), temperature probe (6) and sample cup pivot (8) that have pivot lid (7) of setting on base (5), with sample cup pivot (8) complex motor (9), set up on base (5) with sample cup pivot (8) parallel telescopic link (10) and set up detection head (11) on telescopic link (10), be provided with sample cup (12) in sample cup pivot (8), it is provided with electrode slice (13) for the one side of sample cup (12) mouth to detect head (11).
2. The heavy metal rapid detector according to claim 1, characterized in that: the telescopic rod (10) limiting mechanism is arranged on the base (5) and comprises a hollow limiting column (14) arranged on the base (5), a friction sleeve (15) arranged in the limiting column and a limiting sliding block (16) arranged on the side surface of the base (5).
3. The heavy metal rapid detector according to claim 2, characterized in that: the display device is characterized in that the machine shell (1) comprises an upper machine shell (17) and a lower machine shell (18), the display device (4) is arranged on the upper surface of the upper machine shell (17), the base (5) is embedded in the upper machine shell (17), and a protective cover (19) is arranged on the upper machine shell (17).
4. The heavy metal rapid detector according to claim 3, characterized in that: the upper shell (17) is provided with a printer (20).
5. The heavy metal rapid detector according to claim 3, characterized in that: a rechargeable battery (21) is arranged in the lower casing (18), and an electric quantity indicator lamp (22) is arranged on the upper surface of the upper casing (17).
6. The heavy metal rapid detector according to claim 3, characterized in that: an interface board (23) is arranged in the lower shell (18).
7. The heavy metal rapid detector according to claim 3, characterized in that: and a rubber foot pad (24) is arranged at the bottom of the lower shell (18).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202111259262.6A CN113820372A (en) | 2021-10-27 | 2021-10-27 | Heavy metal fast detector |
Applications Claiming Priority (1)
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CN202111259262.6A CN113820372A (en) | 2021-10-27 | 2021-10-27 | Heavy metal fast detector |
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CN113820372A true CN113820372A (en) | 2021-12-21 |
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CN202111259262.6A Pending CN113820372A (en) | 2021-10-27 | 2021-10-27 | Heavy metal fast detector |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024005719A1 (en) * | 2022-06-30 | 2024-01-04 | Agency For Science, Technology And Research | Analyser and computer-implemented method for pollutant detection |
Citations (7)
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KR20140060868A (en) * | 2012-11-12 | 2014-05-21 | 대한민국(농촌진흥청장) | Portable heavy metal detector sensor |
CN106950264A (en) * | 2017-05-17 | 2017-07-14 | 武汉中科志康生物科技有限公司 | A kind of Portable heavy metal detector and its detection method |
CN206594100U (en) * | 2017-02-20 | 2017-10-27 | 武汉市农业科学技术研究院农业环境安全检测研究所 | A kind of Portable heavy metal detector |
CN109406592A (en) * | 2018-11-14 | 2019-03-01 | 广东达元绿洲食品安全科技股份有限公司 | A kind of portable electrochemical heavy metal analysis device |
CN211905189U (en) * | 2019-12-20 | 2020-11-10 | 广东朗源生物科技有限公司 | Heavy metal detector based on electrochemistry |
CN112834587A (en) * | 2021-01-05 | 2021-05-25 | 长沙卡琳顿科技有限公司 | Portable electrochemical heavy metal detector |
CN214076309U (en) * | 2020-12-22 | 2021-08-31 | 武汉千星铄金科技有限公司 | Miniature positioning electrochemical mixer |
-
2021
- 2021-10-27 CN CN202111259262.6A patent/CN113820372A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20140060868A (en) * | 2012-11-12 | 2014-05-21 | 대한민국(농촌진흥청장) | Portable heavy metal detector sensor |
CN206594100U (en) * | 2017-02-20 | 2017-10-27 | 武汉市农业科学技术研究院农业环境安全检测研究所 | A kind of Portable heavy metal detector |
CN106950264A (en) * | 2017-05-17 | 2017-07-14 | 武汉中科志康生物科技有限公司 | A kind of Portable heavy metal detector and its detection method |
CN109406592A (en) * | 2018-11-14 | 2019-03-01 | 广东达元绿洲食品安全科技股份有限公司 | A kind of portable electrochemical heavy metal analysis device |
CN211905189U (en) * | 2019-12-20 | 2020-11-10 | 广东朗源生物科技有限公司 | Heavy metal detector based on electrochemistry |
CN214076309U (en) * | 2020-12-22 | 2021-08-31 | 武汉千星铄金科技有限公司 | Miniature positioning electrochemical mixer |
CN112834587A (en) * | 2021-01-05 | 2021-05-25 | 长沙卡琳顿科技有限公司 | Portable electrochemical heavy metal detector |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024005719A1 (en) * | 2022-06-30 | 2024-01-04 | Agency For Science, Technology And Research | Analyser and computer-implemented method for pollutant detection |
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