CN114682462A - Solid-state polymerization membrane chloride ion selective electrode and preparation method thereof - Google Patents

Solid-state polymerization membrane chloride ion selective electrode and preparation method thereof Download PDF

Info

Publication number
CN114682462A
CN114682462A CN202210298051.1A CN202210298051A CN114682462A CN 114682462 A CN114682462 A CN 114682462A CN 202210298051 A CN202210298051 A CN 202210298051A CN 114682462 A CN114682462 A CN 114682462A
Authority
CN
China
Prior art keywords
electrode
chloride ion
solid
membrane
ion selective
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.)
Granted
Application number
CN202210298051.1A
Other languages
Chinese (zh)
Other versions
CN114682462B (en
Inventor
潘珺
余永宽
刘玮
黄雪亮
文俊朋
周育军
陈建辉
江静
钟杰
黄茜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xian Thermal Power Research Institute Co Ltd
Huaneng Wuhan Power Generation Co Ltd
Original Assignee
Xian Thermal Power Research Institute Co Ltd
Huaneng Wuhan Power Generation Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xian Thermal Power Research Institute Co Ltd, Huaneng Wuhan Power Generation Co Ltd filed Critical Xian Thermal Power Research Institute Co Ltd
Priority to CN202210298051.1A priority Critical patent/CN114682462B/en
Publication of CN114682462A publication Critical patent/CN114682462A/en
Application granted granted Critical
Publication of CN114682462B publication Critical patent/CN114682462B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/12—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain a coating with specific electrical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/52—Two layers
    • B05D7/54—No clear coat specified
    • B05D7/542—No clear coat specified the two layers being cured or baked together
    • 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
    • G01N27/30—Electrodes, e.g. test electrodes; Half-cells
    • G01N27/308—Electrodes, e.g. test electrodes; Half-cells at least partially made of carbon
    • 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
    • G01N27/30—Electrodes, e.g. test electrodes; Half-cells
    • G01N27/333—Ion-selective electrodes or membranes
    • G01N27/3335—Ion-selective electrodes or membranes the membrane containing at least one organic component

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Molecular Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)

Abstract

The invention discloses a solid polymerization film chloride ion selective electrode and a preparation method thereof. The solid polymerization membrane chloride ion selective electrode provided by the invention has the advantages of both a solid membrane and a liquid membrane, and has good selectivity to chloride ions, a better response slope and a lower detection limit.

Description

Solid-state polymerization membrane chloride ion selective electrode and preparation method thereof
Technical Field
The invention relates to the field of material synthesis, in particular to a solid polymer membrane chloride ion selective electrode and a preparation method thereof.
Background
The chloride ion is a negative 1-valent ion of chlorine widely existing in nature, and the measurement of the chloride ion commonly adopts an ion selective electrode method and a titration method. Ion selective electrodes are a simple and rapid measurement method, and the most critical and central part is the preparation of ion selective membranes. The material of the chloride ion selective electrode membrane is mainly divided into a solid membrane and a liquid membrane, wherein the solid membrane measures potential difference through a solid single crystal or polycrystalline membrane, has good selectivity on chloride ions, is mostly used for measuring high-concentration chloride ions, but has poor slope on low-concentration chloride ion detection; the liquid film is formed by embedding ion selective compounds in PVC to measure potential difference, has better response slope and lower detection limit, but is susceptible to F-、Br-And NO3 -Plasma interference.
The chloride ion selective electrode is widely applied to the fields of industry, environmental protection, biology, medicine, food and the like, and the prepared chloride ion electrode has good selectivity to chloride ions, better response slope and detection lower limit, and the advantages of a solid film and a liquid film.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a preparation method of a solid polymerization membrane chloride ion selective electrode, and the solid polymerization membrane chloride ion selective electrode prepared by the method solves the problem that the measurement is easily interfered by anions.
The invention is realized by the following technical scheme:
a preparation method of a solid-state polymerization membrane chloride ion selective electrode comprises the following steps:
step 1, depositing 3, 4-ethylenedioxythiophene on the surface of an electrode to form a solid contact layer on the surface of the electrode;
and 2, mixing and dissolving the chloride ion carrier, the plasticizer and the polyvinyl chloride to obtain a PVC membrane solution, wherein the mass ratio of the chloride ion carrier to the plasticizer to the polyvinyl chloride is (0.6-1.2): 20: 10.
And 3, coating a PVC membrane solution on the solid contact layer obtained in the step 1, inverting the electrode and then drying, and forming a PVC sensitive membrane on the solid contact layer to obtain the solid polymerization membrane chloride ion selective electrode taking the PVC as the sensitive membrane.
Preferably, the method for forming the solid contact layer on the surface of the electrode in the step 1 is as follows:
putting the cleaned electrode into 0.01-0.05mol/L acetonitrile solution of 3, 4-ethylenedioxythiophene and 0.03-0.05mol/L tetrabutylammonium perchlorate;
a platinum electrode is used as an auxiliary electrode, Ag | AgCl is used as a reference electrode, an electropolymerization method is adopted to set the scanning potential range to be-1.0 to +1.0V, the scanning time is 900-.
Preferably, the cleaning method of the electrode is as follows:
and polishing the electrode by using an alumina solution, and cleaning the polished electrode by using acetone.
Preferably, the electrode is a glassy carbon electrode or a gold electrode.
Preferably, the chloride ionophore is 4, 5-dimethyl-3, 6-dioctyloxy-o-phenylene-bis (mercuric trifluoroacetate).
Preferably, the plasticizer is dibutyl phthalate, dioctyl phthalate or diisodecyl phthalate.
Preferably, the organic solvent used for the dissolution in step 2 is tetrahydrofuran, dimethylformamide, methyl ethyl ketone or cyclohexanone.
Preferably, the drying process in step 3 is drying at 60-70 deg.C for 10-20 min.
A chlorine ion selective electrode with a polymer film in a state comprises an electrode, wherein a solid contact layer is formed on the surface of the electrode, and a PVC sensitive film is formed on the solid contact layer.
Preferably, the thickness of the PVC sensitive film is 50-100 μm.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention provides a preparation method of a solid polymer membrane chloride ion selective electrode, which is characterized in that a conductive material is added between an ion selective membrane and a glassy carbon electrode substrate to serve as a solid switching layer, and charges are transferred from ions to electrons by redox reaction to obtain a measuring potential. The solid-state polymerization membrane chloride ion selective electrode provided by the invention has good electrochemical performance and ion selectivity, and the electrode shows good Nernst line performance and detection capability, wherein the slope is as high as 56.6mV/pCl, and the detection limit is 1.0 multiplied by 10-5mol/L, strong selectivity of electrode to chloride ion, common interfering ion such as F-、Br-And NO3 -The plasma had little effect on the measurement.
Drawings
FIG. 1 is a schematic structural diagram of a solid polymer membrane chloride ion selective electrode according to the present invention.
In the figure: 1-glassy carbon electrode, 2-PEDOT solid contact layer and 3-PVC sensitive film.
Detailed Description
The present invention will now be described in further detail with reference to the attached drawings, which are illustrative, but not limiting, of the present invention.
A preparation method of a solid-state polymerization membrane chloride ion selective electrode comprises the following steps:
step 1, depositing 3, 4-Ethylenedioxythiophene (EDOT) on the surface of an electrode, and forming a solid contact layer on the surface of the electrode, wherein the steps are as follows:
s1.1, polishing the electrode by using 0.05 mu m alumina solution, and cleaning by using acetone.
S1.2, putting the electrode obtained in the step S1.1 into an acetonitrile solution of (0.01-0.05) mol/L EDOT and (0.03-0.05) mol/L tetrabutylammonium perchlorate.
The electrode is a glassy carbon electrode or a gold electrode.
S1.3, using a platinum electrode as an auxiliary electrode, using Ag | AgCl as a reference electrode, setting a scanning potential range between-1.0V and +1.0V by adopting an electropolymerization method, and carrying out electrodeposition on EDOT on the surface of the electrode within a scanning time (900-.
Step 2, mixing and dissolving a chloride ion carrier and polyvinyl chloride to obtain a PVC membrane solution;
the molecular formula of the chloride ion carrier is as follows: 4, 5-dimethyl-3, 6-dioctyloxy-o-phenylene-bis (mercuric trifluoroacetate).
The preparation method of the PVC membrane solution comprises the following steps:
mixing a chloride ion carrier, a plasticizer and polyvinyl chloride (PVC), and adding a solvent for dissolving to obtain a PVC membrane solution.
The mass ratio of the chloride ion carrier to the plasticizer to the polyvinyl chloride is (0.6-1.2) to 20: 10.
The plasticizer is dibutyl phthalate, dioctyl phthalate or diisodecyl phthalate.
The organic solvent is tetrahydrofuran, dimethylformamide, methyl ethyl ketone or cyclohexanone.
And 3, coating a PVC film solution on the solid contact layer obtained in the step 1, inverting the electrode and then drying, and forming a PVC sensitive film on the solid contact layer to obtain the solid contact layer taking PEDOT as the electrode and the solid polymerization film chloride ion selective electrode taking PVC as the sensitive film.
Specifically, the mixed solution is uniformly coated on the surface of a GC/PEDOT electrode, the electrode is inverted, and the electrode is dried for 15 minutes at the temperature of 60 ℃ to obtain a PVC sensitive film, wherein the thickness of the PVC sensitive film is 50-100 microns.
Referring to fig. 1, the chlorine ion selective electrode with the polymer membrane obtained by the above preparation method comprises an electrode, wherein a solid contact layer is formed on the surface of the electrode, and a PVC sensitive membrane is formed on the solid contact layer.
Example 1
A preparation method of a solid-state polymerization membrane chloride ion selective electrode comprises the following steps:
1) the glassy carbon electrode 1 is put into acetonitrile solution of 0.01 mol/L3, 4-ethylenedioxythiophene and 0.03mol/L tetrabutylammonium perchlorate.
2) A platinum electrode is used as an auxiliary electrode, Ag | AgCl is used as a reference electrode, an electropolymerization method is adopted to set the scanning potential range to be-1.0V, the scanning time is 1200 seconds, and 3, 4-ethylenedioxythiophene is electrodeposited on the surface of a glassy carbon electrode to form a PEDOT solid contact layer 2;
3) adding 2.8mg of chloride ion carrier, 60mg of dibutyl phthalate and 30mg of polyvinyl chloride into tetrahydrofuran for dissolving to obtain a PVC membrane solution;
4) uniformly coating a PVC film solution on the solid contact layer, inverting the glassy carbon electrode, and drying at 60 ℃ for 15 minutes to form a PVC sensitive film 3, thereby obtaining the solid contact layer taking PEDOT as an electrode, and the solid polymerization film chloride ion selective electrode taking PVC as a sensitive film.
The preparation method of example 2 is different from that of example 1 in step 2), and the rest is the same.
And (3) using a platinum electrode as an auxiliary electrode and Ag | AgCl as a reference electrode, setting the scanning potential range to be-1.0 by adopting an electropolymerization method, and setting the scanning time to be 900 seconds, and electrodepositing EDOT on the surface of the GC electrode to obtain the GC/PEDOT solid contact layer.
The preparation method of example 3 is different from that of example 1 in the step 2), and the rest is the same.
And (3) using a platinum electrode as an auxiliary electrode and Ag | AgCl as a reference electrode, setting the scanning potential range to be-1.0 by adopting an electropolymerization method, and setting the scanning time to be 1500 seconds, and electrodepositing EDOT on the surface of the GC electrode to obtain the GC/PEDOT solid contact layer.
Example 4
A preparation method of a solid-state polymerization membrane chloride ion selective electrode comprises the following steps:
1) the gold electrode is put into acetonitrile solution of 0.03 mol/L3, 4-ethylene dioxythiophene and 0.04mol/L tetrabutylammonium perchlorate.
2) A platinum electrode is used as an auxiliary electrode, Ag | AgCl is used as a reference electrode, an electropolymerization method is adopted to set the scanning potential range to be 0.5V, the scanning time is 900 seconds, and 3, 4-ethylenedioxythiophene is electrodeposited on the surface of a glassy carbon electrode to form a solid contact layer;
3) adding 1.8mg of chloride ion carrier, 60mg of dioctyl phthalate and 30mg of polyvinyl chloride into dimethylformamide for dissolving to obtain a PVC membrane solution;
4) and uniformly coating a PVC film solution on the solid contact layer, inverting the glassy carbon electrode, and drying at 70 ℃ for 10 minutes to form a PVC sensitive film to obtain the solid contact layer taking PEDOT as an electrode, and the PVC as a chloride ion selective electrode of the solid polymeric film of the sensitive film.
Example 5
A preparation method of a solid-state polymerization membrane chloride ion selective electrode comprises the following steps:
1) the glassy carbon electrode is put into acetonitrile solution of 0.01 mol/L3, 4-ethylenedioxythiophene and 0.03mol/L tetrabutylammonium perchlorate.
2) A platinum electrode is used as an auxiliary electrode, Ag | AgCl is used as a reference electrode, an electropolymerization method is adopted to set the scanning potential range to be 1V, the scanning time is 1200 seconds, and 3, 4-ethylene dioxythiophene is electrodeposited on the surface of a glassy carbon electrode to form a solid contact layer;
3) adding 2mg of chloride ion carrier, 60mg of diisodecyl phthalate and 30mg of polyvinyl chloride into methyl ethyl ketone for dissolving to obtain a PVC film solution;
4) uniformly coating a PVC film solution on the solid contact layer, inverting the glassy carbon electrode, and drying at 60 ℃ for 15 minutes to form a PVC sensitive film, thereby obtaining the solid contact layer taking PEDOT as an electrode and the solid polymerization film chloride ion selective electrode taking PVC as the sensitive film.
Example 6
A preparation method of a solid-state polymerization membrane chloride ion selective electrode comprises the following steps:
1) the glassy carbon electrode is put into acetonitrile solution of 0.01 mol/L3, 4-ethylenedioxythiophene and 0.03mol/L tetrabutylammonium perchlorate.
2) A platinum electrode is used as an auxiliary electrode, Ag | AgCl is used as a reference electrode, an electropolymerization method is adopted to set the scanning potential range to be-1.0V, the scanning time is 1200 seconds, and 3, 4-ethylenedioxythiophene is electrodeposited on the surface of a glassy carbon electrode to form a solid contact layer;
3) adding 2.4mg of chloride ion carrier, 60mg of dibutyl phthalate and 30mg of polyvinyl chloride into cyclohexanone for dissolving to obtain a PVC membrane solution;
4) uniformly coating a PVC film solution on the solid contact layer, inverting the glassy carbon electrode, and drying at 60 ℃ for 15 minutes to form a PVC sensitive film, thereby obtaining the solid contact layer taking PEDOT as an electrode and the solid polymerization film chloride ion selective electrode taking PVC as the sensitive film.
Example 7
A preparation method of a solid state polymerization membrane chloride ion selective electrode comprises the following steps:
1) the glassy carbon electrode is put into acetonitrile solution of 0.01 mol/L3, 4-ethylenedioxythiophene and 0.03mol/L tetrabutylammonium perchlorate.
2) A platinum electrode is used as an auxiliary electrode, Ag | AgCl is used as a reference electrode, an electropolymerization method is adopted to set the scanning potential range to be-1.0V, the scanning time is 1200 seconds, and 3, 4-ethylenedioxythiophene is electrodeposited on the surface of a glassy carbon electrode to form a solid contact layer;
3) adding 3.2mg of chloride ion carrier, 60mg of dibutyl phthalate and 30mg of polyvinyl chloride into tetrahydrofuran for dissolving to obtain a PVC membrane solution;
4) uniformly coating a PVC film solution on the solid contact layer, inverting the glassy carbon electrode, and drying at 60 ℃ for 15 minutes to form a PVC sensitive film, thereby obtaining the solid contact layer taking PEDOT as an electrode and the solid polymerization film chloride ion selective electrode taking PVC as the sensitive film.
Example 8
A preparation method of a solid-state polymerization membrane chloride ion selective electrode comprises the following steps:
1) the glassy carbon electrode is put into acetonitrile solution of 0.01 mol/L3, 4-ethylenedioxythiophene and 0.03mol/L tetrabutylammonium perchlorate.
2) A platinum electrode is used as an auxiliary electrode, Ag | AgCl is used as a reference electrode, an electropolymerization method is adopted to set the scanning potential range to be-0.2V, the scanning time is 1200 seconds, and 3, 4-ethylenedioxythiophene is electrodeposited on the surface of a glassy carbon electrode to form a solid contact layer;
3) adding 3.6mg of chloride ion carrier, 60mg of dibutyl phthalate and 30mg of polyvinyl chloride into tetrahydrofuran for dissolving to obtain a PVC membrane solution;
4) and uniformly coating a PVC film solution on the solid contact layer, inverting the glassy carbon electrode, and drying at 60 ℃ for 15 minutes to form a PVC sensitive film so as to obtain the solid contact layer taking PEDOT as an electrode, and the PVC as a chloride ion selective electrode of the solid polymeric film of the sensitive film.
Electrode performance testing
Configuration 1X 10-1mol/L、1×10-2mol/L、1×10-3mol/L、1×10-4mol/L、1×10-5mol/L、1×10-6mol/L NaCl standard solution. And sequentially putting the solid-state polymerization membrane chloride ion selective electrode and the platinum electrode prepared in the examples 1-8 as auxiliary electrodes and Ag | AgCl as a reference electrode into a NaCl standard solution for measurement, and recording a potential value after the reading is stable. The electrode slope and detection range of the test of the polymeric membrane chloride ion selective electrode prepared in examples 1-8 are shown in the following table:
Figure BDA0003563347630000091
electrode selectivity
Determination of electrode pairs F by fixed interference-、Br-And NO3 -Selectivity coefficient of plasma anion, concentration of chloride ion and interference ion in solution are both 1X 10-2mol/L, electrode Selectivity coefficient of the polymeric Membrane chloride ion Selective electrode test prepared in examples 1-8
Figure BDA0003563347630000092
As shown in the following table:
Figure BDA0003563347630000093
the invention provides a solid polymer membrane chloride ion selective electrode and a preparation method thereof. The solid polymeric membrane chloride ion selective electrode provided by the invention has good electrochemical performance and ion selectivity, the electrode shows good Nernst line performance and detection capability, wherein the slope is as high as 56.6mV/pCl, the detection limit is 1.0 x 10 < -5 > mol/L, the electrode has strong selectivity on chloride ions, and common interfering ions such as F < - >, Br < - > and NO < - >3 -The plasma anion hardly affects the measurement, shows excellent Nernst response to the chloride ion in the detection range, and has the detection limit as low as 1 multiplied by 10-5mol/L, suitable for the measurement of chloride ions in each water under the online and offline conditions.
The above-mentioned contents are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modification made on the basis of the technical idea of the present invention falls within the protection scope of the claims of the present invention.

Claims (10)

1. A preparation method of a solid state polymerization membrane chloride ion selective electrode is characterized by comprising the following steps:
step 1, depositing 3, 4-ethylenedioxythiophene on the surface of an electrode to form a solid contact layer on the surface of the electrode;
step 2, mixing and dissolving a chloride ion carrier, a plasticizer and polyvinyl chloride to obtain a PVC membrane solution, wherein the mass ratio of the chloride ion carrier to the plasticizer to the polyvinyl chloride is (0.6-1.2): 20: 10;
and 3, coating a PVC membrane solution on the solid contact layer obtained in the step 1, inverting the electrode and then drying, and forming a PVC sensitive membrane on the solid contact layer to obtain the solid polymerization membrane chloride ion selective electrode taking the PVC as the sensitive membrane.
2. The method for preparing the solid state polymerization membrane chloride ion selective electrode according to claim 1, wherein the method for forming the solid state contact layer on the surface of the electrode in the step 1 is as follows:
putting the cleaned electrode into 0.01-0.05mol/L acetonitrile solution of 3, 4-ethylenedioxythiophene and 0.03-0.05mol/L tetrabutylammonium perchlorate;
a platinum electrode is used as an auxiliary electrode, Ag | AgCl is used as a reference electrode, an electropolymerization method is adopted to set the scanning potential range to be-1.0 to +1.0V, the scanning time is 900-.
3. The method for preparing the solid state polymeric membrane chloride ion selective electrode according to claim 1, wherein the cleaning method of the electrode is as follows:
and polishing the electrode by using an alumina solution, and cleaning the polished electrode by using acetone.
4. The method according to claim 1, wherein the electrode is a glassy carbon electrode or a gold electrode.
5. The method of claim 1, wherein the chloride ion carrier is 4, 5-dimethyl-3, 6-dioctyloxy-o-phenylene-bis (mercury trifluoroacetate).
6. The method of claim 1, wherein the plasticizer is dibutyl phthalate, dioctyl phthalate, or diisodecyl phthalate.
7. The method for preparing the chloride ion selective electrode of the solid polymeric membrane according to claim 1, wherein the organic solvent used for dissolving in the step 2 is tetrahydrofuran, dimethylformamide, methyl ethyl ketone or cyclohexanone.
8. The method for preparing the chloride ion selective electrode of the solid polymeric membrane according to claim 1, wherein the drying process in the step 3 is drying at 60-70 ℃ for 10-20 minutes.
9. A chloride ion selective electrode of a polymer film prepared by the preparation method of any one of claims 1 to 8, which comprises an electrode, wherein a solid contact layer is formed on the surface of the electrode, and a PVC sensitive film is formed on the solid contact layer.
10. The dynamic polymer membrane chloride ion selective electrode according to claim 1, wherein the thickness of the PVC sensitive membrane is 50-100 μm.
CN202210298051.1A 2022-03-24 2022-03-24 Solid-state polymerization membrane chloride ion selective electrode and preparation method thereof Active CN114682462B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210298051.1A CN114682462B (en) 2022-03-24 2022-03-24 Solid-state polymerization membrane chloride ion selective electrode and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210298051.1A CN114682462B (en) 2022-03-24 2022-03-24 Solid-state polymerization membrane chloride ion selective electrode and preparation method thereof

Publications (2)

Publication Number Publication Date
CN114682462A true CN114682462A (en) 2022-07-01
CN114682462B CN114682462B (en) 2023-04-07

Family

ID=82139049

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210298051.1A Active CN114682462B (en) 2022-03-24 2022-03-24 Solid-state polymerization membrane chloride ion selective electrode and preparation method thereof

Country Status (1)

Country Link
CN (1) CN114682462B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110290315A1 (en) * 2010-04-30 2011-12-01 Kalle Levon Electrochemical method for depositing nanofibrilar poly(3,4-ethylenedioxythiophene) (pedot) hole extraction layer in organic solar cells
CN109346209A (en) * 2018-08-29 2019-02-15 浙江工业大学 A kind of needle-shaped nano-structure conducting polymer thin film i-PEDOT and the preparation method and application thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110290315A1 (en) * 2010-04-30 2011-12-01 Kalle Levon Electrochemical method for depositing nanofibrilar poly(3,4-ethylenedioxythiophene) (pedot) hole extraction layer in organic solar cells
CN109346209A (en) * 2018-08-29 2019-02-15 浙江工业大学 A kind of needle-shaped nano-structure conducting polymer thin film i-PEDOT and the preparation method and application thereof

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
孙奎等: "微量级氯离子电极传感器的研究", 《工业仪表与自动化装置》 *
雷鸣等: "固态氯离子选择性电极在不同体系下稳定性研究", 《电子测量技术》 *

Also Published As

Publication number Publication date
CN114682462B (en) 2023-04-07

Similar Documents

Publication Publication Date Title
Chen et al. Bismuth-based porous screen-printed carbon electrode with enhanced sensitivity for trace heavy metal detection by stripping voltammetry
Sutter et al. A polypyrrole-based solid-contact Pb 2+-selective PVC-membrane electrode with a nanomolar detection limit
US6416646B2 (en) Method of making a material for establishing solid state contact for ion selective electrodes
Wagner et al. Durable PEDOT: PSS films obtained from modified water-based inks for electrochemical sensors
Liu et al. A metal-catalyst free, flexible and free-standing chitosan/vacuum-stripped graphene/polypyrrole three dimensional electrode interface for high performance dopamine sensing
CN105928996B (en) Electrochemical detection device for preparing and assembling graphene oxide and polyaniline modified electrode
US5102526A (en) Solid state ion sensor with silicon membrane
EP0333862A1 (en) Ion carrier membrane and ion sensor provided with same
CN114682462B (en) Solid-state polymerization membrane chloride ion selective electrode and preparation method thereof
Han et al. Coulometric Response of H+‐Selective Solid‐Contact Ion‐Selective Electrodes and Its Application in Flexible Sensors
WO2012064179A1 (en) Ph sensor
CN109254065B (en) Silicon dioxide/polyfurrfural modified electrode, preparation method thereof and application of silicon dioxide/polyfurrfural modified electrode in detection of lead and cadmium ions
US5738774A (en) Eva containing ion selective membranes and methods of making same
EP0218530B1 (en) Ionic concentration measurement method
WO2012074368A1 (en) Phosphate sensor
US5190636A (en) Ion-sensitive film, method of producing the same and ion sensor
Faridbod et al. Conducting polymer all solid state potentiometric sensor for the tramadol assay
US4699806A (en) Method of producing fluoride-sensitive diaphragms
CN110243909B (en) Fixed connection type self-plasticizing polymer film lead ion selective electrode based on multi-wall carbon nano tube
CN113514525A (en) Method for measuring nitrate ions by using solid contact type ion selective electrode
JPS61194343A (en) Ph sensor
CN109991293B (en) High-flexibility full-solid pH selective electrode and preparation method thereof
JPH05188036A (en) Capacitance-measuring chamical sensor device
Staes et al. Properties of a low band gap conducting polymer electrode used for amperometric detection in liquid chromatography
Dandan et al. Preparation of polyaniline modified electrode in novel ionic liquid and its application in ion chromatography

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
GR01 Patent grant
GR01 Patent grant