CN205484038U - Multiple heavy metal ion nanometer optical detection device based on dissolve out volt -ampere - Google Patents
Multiple heavy metal ion nanometer optical detection device based on dissolve out volt -ampere Download PDFInfo
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- CN205484038U CN205484038U CN201620154980.5U CN201620154980U CN205484038U CN 205484038 U CN205484038 U CN 205484038U CN 201620154980 U CN201620154980 U CN 201620154980U CN 205484038 U CN205484038 U CN 205484038U
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- peristaltic pump
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Abstract
The utility model discloses a multiple heavy metal ion nanometer optical detection device based on dissolve out volt -ampere. The device includes that sampling system, electrochemical detection system and optical detection system constitute. The sampling system comprises micro - peristaltic pump, wriggling pump line, feed liquor chamber, feed liquor pjncture needle and play liquid pjncture needle for sample feed liquor and bubble are eliminated, the electrochemical detection system regards as working electrode with nanometer cup sensor array, constitutes three electrode systems with the platinum filament to electrode and silver -colored silver chlorate reference electrode, optical detection system comprises xenon lamp light source and CCD detector. Transmission rate through detecting at electrochemical reaction in -process nanometer cup sensor array changes, can realize the purpose that multiple heavy metal detected simultaneously. The utility model discloses the not enough of present photoelectric coupling ion detection method has been overcome to the device, can detect the differentiation to multiple ion simultaneously to have characteristics such as high sensitivity, stability is high, the interference killing feature is strong.
Description
Technical field
This utility model relates to a kind of ion detection technology based on nanometer cup array device, particularly relates to one
The localized plasmon resonance detection device that contents of many kinds of heavy metal ion can be detected simultaneously based on stripping voltammetry.
Background technology
In agricultural, if the amount of soil heavy metal ion is more than the tolerance range of ecosystem, then soil
Composition and character will morph, thus reduce yield and the quality of crops；It addition, at environment water
In, human body is often caused serious infringement, including nerve problems by the heavy metal ion of excess
And metabolism is impaired etc..Accordingly, it is desirable to the heavy metal ion content in environment is quickly had
The monitoring of effect.At present, the monitoring of heavy metal ion generally relies on Laboratory Instruments and carries out, the most traditional
Electrochemical detection method.Electrochemical detection method utilizes the electrochemical reaction characteristic of heavy metal ion, can be right
Heavy metal ion in solution carries out efficient and sensitive detection.Although this monitoring method is effectively reliable,
But it is the longest to be because the detection cycle, it is impossible to be applicable to real time monitoring and quickly detect.It is directed to
This, nanocomposite optical detection technique starts to be applied in real time in monitoring field by the concern gradually starting of people.
Nanocomposite optical detection technique is by utilizing plasma caused by the periodic nanometer level structures on detecting element surface
Covibration, it is achieved different types of ion is carried out fast and convenient detection, for the traditional method that compares
There is bigger application prospect.But nanocomposite optical detection technique requires that tested substance needs and nanostructured table
Face has and contacts largely or react, and to cause enough significantly plasma resonance phenomenon, the most much receives
Device surface is additionally modified by rice optical detection device for enhancing signal intensity or labelling is to strengthen
Its selectivity and sensitivity, add complexity and the stability of device to a certain extent, be difficulty with
For detecting while contents of many kinds of heavy metal ion.This utility model is by combined with electrochemical detection method and receives
Rice optical detecting method, on the premise of ensureing the high sensitivity of device and selectivity, it is to avoid to nano junction
The extra modification on structure surface, thus add stability and the reusability of device.Compared to tradition
Electrochemical detection method for, this utility model reduce to detection solution environmental strict demand, can answer
Detection equipment for Highgrade integration.Compare the photoelectric coupling detection technique relatively with type, this utility model
Detect while can realizing multiple hybrid piles, have broad application prospects.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, it is provided that a kind of based on Stripping Voltammetry
Contents of many kinds of heavy metal ion nanocomposite optical detection device.
The purpose of this utility model is achieved through the following technical solutions: a kind of many based on Stripping Voltammetry
Heavy metal species ion nanocomposite optical detection device, including: environmental chamber, mounting system, sampling system, airtight
Electrochemical Detection room, Systems for optical inspection, integral control circuit plate and data transmission interface；Wherein, environment
Room is made up of device pedestal and environmental chamber shell；Mounting system is by sensing chamber's base and is fixed at the bottom of sensing chamber
Optical bracket on seat is constituted；Sensing chamber's base is fixed on device pedestal；Sampling system by trace peristaltic pump,
Peristaltic pump tube, admission chamber, feed liquor puncture needle and go out liquid puncture needle constitute；Trace peristaltic pump is fixed on environmental chamber
On shell, driving motor to carry out energy supply by wriggling, its outside peristaltic pump shell that passes through separates with extraneous；Enter
Sap cavity is fixed on environmental chamber shell, can accommodate sample measuring liquid to be checked, is made up of cavity wall and closed cover；
Airtight Electrochemical Detection room is placed on sensing chamber's base, is made up of sensing chamber's outer wall and sensing chamber's top cover, detection
Ceiling lid is provided with two straight couplings, feed liquor puncture needle and go out liquid puncture needle and be each passed through straight coupling, treats
Inspection sample measuring liquid enters Electrochemical Detection room by feed liquor puncture needle, and the sample liquid of Electrochemical Detection indoor is by going out liquid
Puncture needle leaves Electrochemical Detection room；Admission chamber connects feed liquor puncture needle, trace peristaltic pump by peristaltic pump tube
Liquid puncture needle is connected out by peristaltic pump tube；Nanometer cup sensor array is fixed in the bottom of Electrochemical Detection room,
Nanometer cup sensor array is drawn as working electrode by wire；Fix electrode respectively on sensing chamber's top cover
And reference electrode so that it is immerse in the sample pendular ring border that Electrochemical Detection is indoor；Described working electrode, to electrode
Electrochemical detection system is constituted with reference electrode；Systems for optical inspection includes CCD-detector and xenon lamp
Source；Xenon source is fixed on device pedestal, and CCD-detector is fixed on optical bracket, and xenon source is just
To CCD-detector；Integral control circuit plate is fixed on device pedestal, is connected by data transmission interface
To computer；The cup-like structure of the described nanometer cup a diameter of hundred nano-scale of array senor surface regular distribution, cup
Sidewall sputtering sedimentation nanogold particle.Described sensing chamber top cover and sensing chamber's outer wall can use silica glass material.
Further, described to electrode be platinum filament to electrode, reference electrode be silver silver chloride reference electrode.
This utility model has the advantages that this utility model device achieves three heavy metal species ions
Species detection and Concentration Testing, simplify Traditional photovoltaic coupling detecting system simultaneously.This utility model is compared
More traditional electrochemical detection method, has high stability, highly sensitive feature；With Conventional nano optics
Ion detection means are compared, and this utility model eliminates the additional specificities to nanostructured surface and modifies or mark
Note, has high sensitivity, device preparation method is simple, stability is a high advantage.According to above advantage, this
Utility model device can be widely used for the association area of detection of heavy metal ion.
Accompanying drawing explanation
Fig. 1 is inside the opto-electronic ignition system chemical Coupling nanometer cup array device detection device that this utility model is used
Structural representation；
Fig. 2 is outside the opto-electronic ignition system chemical Coupling nanometer cup array device detection device that this utility model is used
Structural representation；
Fig. 3 is the structural representation of this utility model airtight Electrochemical Detection room；
Fig. 4 is the structural representation of this utility model nanometer cup sensor array；
In figure: data transmission interface 1, integral control circuit plate 2, sensing chamber's base 3, airtight electrochemistry are examined
Survey room 4, admission chamber 5, peristaltic pump tube 6, CCD-detector 7, device pedestal 8, environmental chamber shell 9,
Xenon source 10, trace peristaltic pump 11, straight coupling 12, optical bracket 13, cavity wall 51, closed cover
52, peristaltic pump shell 111, driving motor 112 of wriggling, sensing chamber's outer wall 41, backflow puncture needle 42, silver
Silver chloride reference electrode 43, sensing chamber's top cover 44, nanometer cup sensor array 45, the puncture needle 46 that becomes a mandarin,
Platinum filament is to electrode 47, nanogold particle 14, nanometer cup structure 15.
Detailed description of the invention
Below in conjunction with drawings and the specific embodiments, this utility model is described in detail, but is not to limit this practicality
Novel.
As shown in Figure 1-Figure 3, the contents of many kinds of heavy metal ion nanocomposite optical detection device that this utility model is used,
Including: environmental chamber, mounting system, sampling system, airtight Electrochemical Detection room 4, Systems for optical inspection,
Integral control circuit plate 2 and data transmission interface 1；Wherein, environmental chamber is by device pedestal 8 and environmental chamber
Shell 9 is constituted；Mounting system is by sensing chamber's base 3 and the optical bracket 13 being fixed on sensing chamber's base 3
Constitute；Sensing chamber's base 3 is fixed on device pedestal 8；Sampling system is by trace peristaltic pump 11, peristaltic pump
Pipe 6, admission chamber 5, feed liquor puncture needle 46 and go out liquid puncture needle 42 and constitute；Trace peristaltic pump 11 is fixed on
On environmental chamber shell 9, driving motor 112 to carry out energy supply by wriggling, it is outside by peristaltic pump shell
111 separate with extraneous；Admission chamber 5 is fixed on environmental chamber shell 9, can accommodate sample measuring liquid to be checked, by
Cavity wall 51 and closed cover 52 are constituted；Airtight Electrochemical Detection room 4 is placed on sensing chamber's base 3, by
Sensing chamber's outer wall 41 and sensing chamber's top cover 44 are constituted, and sensing chamber's top cover 44 is provided with two straight couplings 12,
Feed liquor puncture needle 46 and go out liquid puncture needle 42 and be each passed through straight coupling 12, sample measuring liquid to be checked is worn by feed liquor
Pricker 46 enters Electrochemical Detection room 4, the sample liquid in Electrochemical Detection room 4 by go out liquid puncture needle 42 from
Open Electrochemical Detection room 4；Admission chamber 5 connects feed liquor puncture needle 46, trace peristaltic pump by peristaltic pump tube 6
11 connect out liquid puncture needle 42 by peristaltic pump tube 6；Nanometer cup is fixed in the bottom of Electrochemical Detection room 4
Sensor array 45, nanometer cup sensor array 45 is drawn as working electrode by wire；Detection ceiling
Fix electrode 47 and reference electrode 43 respectively on lid 44 so that it is immerse the sample liquid in Electrochemical Detection room 4
In environment；Described working electrode, electrode 47 and reference electrode 43 are constituted electrochemical detection system；Optics
Detecting system includes CCD-detector 7 and xenon source 10；Xenon source 10 is fixed on device pedestal 8
On, CCD-detector 7 is fixed on optical bracket 13, and xenon source 10 is just to CCD-detector 7；Collection
Control circuit plate 2 is become to be fixed on device pedestal 8, to trace peristaltic pump 11, electrochemical detection system and light
Learn detecting system be powered and control, and the data of acquisition are real-time transmitted to by data transmission interface 1
Computer；Described nanometer cup sensor array 45 rule of surface distribution diameter is the cup-like structure 15 of hundred nano-scale,
Cup sidewall sputtering sedimentation nanogold particle 14.
Work process of the present utility model is as follows:
First prepare standard ionomer solution, use dilute hydrochloric acid solution to be diluted as end liquid and to add volume dense
The Acetic acid-sodium acetate buffer of degree 10%；Next standard ionomer solution is carried out electrical combined detection: past
Detector add standard ionomer solution to be detected and starts trace peristaltic pump, using anodic stripping voltammetry
Solution to be measured is carried out Electrochemical Detection；For optical detection aspect, detection pattern is the detection of transmission light, light
Spectrum record time interval 1s；Criterion solution concentration-absorbance change response curve afterwards: to single weight
The single concentration scanning result of metal ion, takes the transmission peaks in recorded transmitted spectrum per second in process in leaching
Corresponding absorbance, and pair time catch cropping change curve.For the detection of unknown mixed ion solutions, Xiang Jin
Sap cavity adds unknown concentration solion, detects unknown ion solution according to preceding method, and obtain mixing
Transmission peaks absorbance change curve corresponding to solution；To catch cropping first differential during absorbance change curve pair,
The differential curve obtained will have some peak values, its corresponding time occurred and the dissolution of corresponding heavy metal ion
Time consistency corresponding to current potential, can determine that the ionic species in mixed solution according to this；For different ions
Concentration measures, and can substitute into corresponding according to the absorbance changing value in the absorbance interval corresponding to this ion
The normal response curve of ion, can obtain the concentration value of this ion.
Claims (2)
1. contents of many kinds of heavy metal ion nanocomposite optical based on a Stripping Voltammetry detection device, it is characterised in that bag
Include: environmental chamber, mounting system, sampling system, airtight Electrochemical Detection room (4), Systems for optical inspection,
Integral control circuit plate (2) and data transmission interface (1)；Wherein, environmental chamber by device pedestal (8) with
And environmental chamber shell (9) is constituted；Mounting system is by sensing chamber's base (3) and is fixed on sensing chamber's base
(3) optical bracket (13) on is constituted；Sensing chamber's base (3) is fixed on device pedestal (8)；
Sampling system is by trace peristaltic pump (11), peristaltic pump tube (6), admission chamber (5), feed liquor puncture needle (46)
Constitute with going out liquid puncture needle (42)；Trace peristaltic pump (11) is fixed on environmental chamber shell (9), logical
Crossing wriggling drives motor (112) to carry out energy supply, and its outside peristaltic pump shell (111) that passes through separates with extraneous；
Admission chamber (5) is fixed on environmental chamber shell (9), by cavity wall (51) and closed cover (52) structure
Become；Airtight Electrochemical Detection room (4) is placed on sensing chamber's base (3), by sensing chamber's outer wall (41) and
Sensing chamber's top cover (44) is constituted, and sensing chamber's top cover (44) is provided with two straight couplings (12), feed liquor
Puncture needle (46) and go out liquid puncture needle (42) and be each passed through straight coupling (12)；Admission chamber (5) passes through
Peristaltic pump tube (6) connection feed liquor puncture needle (46), trace peristaltic pump (11) passes through peristaltic pump tube (6)
Connect out liquid puncture needle (42)；Nanometer cup sensor array is fixed in the bottom of Electrochemical Detection room (4)
(45), nanometer cup sensor array (45) is drawn as working electrode by wire；Sensing chamber's top cover
(44) fix electrode (47) and reference electrode (43) respectively on；Described working electrode, to electrode
(47) and reference electrode (43) constitute electrochemical detection system；Systems for optical inspection includes that CCD detects
Device (7) and xenon source (10)；Xenon source (10) is fixed on device pedestal (8), CCD
Detector (7) is fixed on optical bracket (13), and xenon source (10) is just to CCD-detector (7)；
Integral control circuit plate (2) is fixed on device pedestal (8), is connected by data transmission interface (1)
To computer；Described nanometer cup sensor array (45) rule of surface distribution diameter is the cup-shaped knot of hundred nano-scale
Structure (15), cup sidewall sputtering sedimentation nanogold particle (14).
A kind of contents of many kinds of heavy metal ion nanocomposite optical based on Stripping Voltammetry detection dress
Put, it is characterised in that described to electrode (47) be platinum filament to electrode, reference electrode (43) be silver chlorination
Silver reference electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620154980.5U CN205484038U (en) | 2016-03-01 | 2016-03-01 | Multiple heavy metal ion nanometer optical detection device based on dissolve out volt -ampere |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620154980.5U CN205484038U (en) | 2016-03-01 | 2016-03-01 | Multiple heavy metal ion nanometer optical detection device based on dissolve out volt -ampere |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205484038U true CN205484038U (en) | 2016-08-17 |
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|---|---|---|---|
| CN201620154980.5U Withdrawn - After Issue CN205484038U (en) | 2016-03-01 | 2016-03-01 | Multiple heavy metal ion nanometer optical detection device based on dissolve out volt -ampere |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105651739A (en) * | 2016-03-01 | 2016-06-08 | 浙江大学 | Nanometer optical detection device and nanometer optical detection method on basis of stripping voltammetry for diversified heavy metal ions |
| CN107368103A (en) * | 2017-07-19 | 2017-11-21 | 芜湖市奥尔特光电科技有限公司 | A kind of high definition examination of material evidence instrument of multi-angle adjustment |
| CN110412077A (en) * | 2019-08-27 | 2019-11-05 | 广州泰道安医疗科技有限公司 | A kind of effective chlorine on-line measuring device of chlorine-containing disinfectant fluid production |
| CN110412077B (en) * | 2019-08-27 | 2024-04-26 | 广州泰道安医疗科技有限公司 | Effective chlorine on-line measuring device that chlorine-containing sterilized water production was used |
-
2016
- 2016-03-01 CN CN201620154980.5U patent/CN205484038U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105651739A (en) * | 2016-03-01 | 2016-06-08 | 浙江大学 | Nanometer optical detection device and nanometer optical detection method on basis of stripping voltammetry for diversified heavy metal ions |
| CN105651739B (en) * | 2016-03-01 | 2019-01-08 | 浙江大学 | Contents of many kinds of heavy metal ion nanocomposite optical detection device and method based on Stripping Voltammetry |
| CN107368103A (en) * | 2017-07-19 | 2017-11-21 | 芜湖市奥尔特光电科技有限公司 | A kind of high definition examination of material evidence instrument of multi-angle adjustment |
| CN110412077A (en) * | 2019-08-27 | 2019-11-05 | 广州泰道安医疗科技有限公司 | A kind of effective chlorine on-line measuring device of chlorine-containing disinfectant fluid production |
| CN110412077B (en) * | 2019-08-27 | 2024-04-26 | 广州泰道安医疗科技有限公司 | Effective chlorine on-line measuring device that chlorine-containing sterilized water production was used |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160817 Effective date of abandoning: 20190108 |