CN107976475A - A kind of solid contact conducting shell and solid ionic electrodes selective in induced by magnetic field - Google Patents
A kind of solid contact conducting shell and solid ionic electrodes selective in induced by magnetic field Download PDFInfo
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- CN107976475A CN107976475A CN201610937897.XA CN201610937897A CN107976475A CN 107976475 A CN107976475 A CN 107976475A CN 201610937897 A CN201610937897 A CN 201610937897A CN 107976475 A CN107976475 A CN 107976475A
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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
- G01N27/28—Electrolytic cell components
- G01N27/30—Electrodes, e.g. test electrodes; Half-cells
- G01N27/333—Ion-selective electrodes or membranes
Abstract
The present invention relates to electrochemical sensor technology field, specifically a kind of solid contact conducting shell and solid ionic electrodes selective in induced by magnetic field.Solid ionic electrodes selective is matrix, solid contact conducting shell and the polymer sensitive membrane containing ionophore；The solid contact conducting shell is the solid powder magnetic graphene that electrode matrix surface is adsorbed in by induced by magnetic field.Magnetic graphene solid contact conducting shell is prepared using solid powdery material and using induced by magnetic field self-assembling technique in electrode of the present invention, avoids the use of solution, it is easy to operate, prepare it is quick, be easy to control.Solid ionic electrodes selective provided by the invention based on induced by magnetic field self assembly solid contact conducting shell has good potential stability and repeatability, these provide new approaches for the development of solid ionic electrodes selective.
Description
Technical field
The present invention relates to electrochemical sensor technology field, specifically a kind of solid contact in induced by magnetic field conducts
Layer and solid ionic electrodes selective.
Background technology
Solid ionic electrodes selective is usually by electrode matrix, solid contact conducting shell and ion selectivity sensitive film three
Be grouped into, wherein, the presence of solid contact conducting shell be in order to strengthen between ion selectivity sensitive film and electronic conductor interface from
Son-electronic conductivity and hydrophobicity, and then improve the potential stability and reappearance of solid ionic electrodes selective.Report at present
The solid contact conducting shell in road has conducting polymer, c-based nanomaterial, noble metal nano particles etc., and the use of these materials is equal
The potential stability and reappearance of solid ionic electrodes selective are significantly enhanced.However, these solid contact conducting shells
Being prepared mostly using physics drop coating method or electrochemical deposition method, the former is cumbersome time-consuming, and solid contact conducting shell
Thickness cannot be controlled accurately；For the latter it is usually necessary to use three-electrode system preparation, device is complicated, and needs professional's control.
These limit the long term growth of solid ionic electrodes selective.
The content of the invention
It is an object of the invention to overcome cumbersome time-consuming and device in existing solid contact conducting shell technology of preparing to answer
A kind of the deficiencies of miscellaneous, there is provided solid contact conducting shell and solid ionic electrodes selective in induced by magnetic field.
A kind of solid ionic electrodes selective prepared using the solid contact conducting shell based on induced by magnetic field, solid ionic
Electrodes selective is matrix, solid contact conducting shell and the polymer sensitive membrane containing ionophore；The solid contact conduction
Layer is the solid powder magnetic graphene that electrode matrix surface is adsorbed in by induced by magnetic field.
Further：
(1) solid powder magnetic graphene is adsorbed in by electrode matrix surface by induced by magnetic field, obtains and connect with solid
Touch the electrode matrix of conducting shell；
(2) it is using tetrahydrofuran that the polymer containing ionophore is sensitive in electrode matrix surface made from step (1)
Film attaches to above-mentioned steps (1) and obtains on the solid contact conducting shell of electrode matrix, and is placed on and dries at room temperature, forms solid-state
Ion selective electrode.
The solid contact conducting shell is the solid powder magnetic graphite that electrode matrix surface is adsorbed in by induced by magnetic field
Alkene.
The induced by magnetic field is the side that magnet is placed on to electrode matrix, using magnetic field effect by magnetic graphene physics
It is absorbed and fixed at the opposite side of electrode matrix.
The magnetic graphene is made of the reduced graphene that ferroso-ferric oxide is modified.
The magnet refers to Ru-Fe-Mn magnet, and magnetic force is more than 5000 Gausses, and the magnetic graphene is by four oxidations three
The reduced graphene composition of iron modification, its quality is 0.1-10mg；What ferroso-ferric oxide was modified in the magnetic graphene goes back
The mass ratio of former graphene is 10-90%.
The electrode matrix is magnetic gold disc electrode, magnetic glassy carbon electrode or magnetic platinum disk electrode.
The polymer film solution containing ionophore is by polymeric matrix material, plasticizer, lipophilicity ion exchange
Agent, ionophore and solvent composition.
A kind of preparation side of the solid ionic electrodes selective prepared using the solid contact conducting shell based on induced by magnetic field
Method：
(1) solid powder magnetic graphene is adsorbed in by electrode matrix surface by induced by magnetic field, obtains and connect with solid
Touch the electrode matrix of conducting shell；
(2) it is using tetrahydrofuran that the polymer containing ionophore is sensitive in electrode matrix surface made from step (1)
Film attaches to above-mentioned steps (1) and obtains on the solid contact conducting shell of electrode matrix, and is placed on and dries at room temperature, forms solid-state
Ion selective electrode.
The polymer film solution containing ionophore is by polymeric matrix material, plasticizer, lipophilicity ion exchange
Agent, ionophore and solvent composition.The ionophore can be carriers of metal ions or nonmetallic ion carrier, such as calcium ion
Carrier, cadmium ion carrier, lead ion carrier, nitrate ion carrier etc., you can form corresponding corresponding ion selectivity polymerization
Thing film.
The Calcium ionophore can be selected from Calcium ionophore I (molecular formula：C38H72N2O8, as Fluka article No.s are
21192 product, similarly hereinafter), Calcium ionophore II (molecular formula：C28H48N2O3, as Fluka 21193), Calcium ionophore
III (molecular formula：C29H37N3O6, as Fluka 21186), Calcium ionophore IV (molecular formula：C52H100N2O3, such as Fluka
21198), Calcium ionophore V (molecular formula：C58H112N4O11, as Fluka 21203)；Its mass percent concentration is
0.1-10%.
The polymeric matrix material is polyvinyl chloride, polyacrylate, polyurethane, silicon rubber or sol-gel film；
Its mass percent concentration is 20-40%.
The plasticizer is o- nitrobenzene octyl ether, double (the 2- second of double (2- ethylhexyls) sebacates, phthalic acid
Base hexyl) ester or dibutyl phthalate；Its mass percent concentration is 40-80%.
The ion-exchanger for four (4- chlorphenyls) potassium borates, four (3,5- bis- (trifluoromethyl) phenyl) Boratexes,
Four octyl group ammonium chlorides or three (dodecyl) ammonio methacrylates, its mass percent concentration are 0.1-10%.
The solvent is tetrahydrofuran or dichloromethane, its quality is 4-10 times of solute.
A kind of application of the solid ionic electrodes selective prepared using the solid contact conducting shell based on induced by magnetic field, institute
State application of the solid ionic electrodes selective in the detection of solution ion concentration.
The present invention has the following advantages：(1) magnetic stone that solid contact conducting shell is solid powdery is prepared in the present invention
Black alkene, avoids the use of solution, without extra drying process；(2) solid contact is prepared compared to more existing drop coating method
Conducting shell is cumbersome time-consuming and the deficiencies of thickness cannot be controlled accurately, and magnetic graphene solid contact conducting shell is in the present invention
Prepared based on induced by magnetic field effect, it is easy to operate, prepare it is quick, be easy to control；(3) more existing electro-deposition method system is compared
Standby solid contact conducting shell needs to prepare using three-electrode system, and device is complicated, and needs professional's control, magnetic in the present invention
Property graphene solid contact conducting shell be to act on preparing based on induced by magnetic field, preparation method has versatility, easy to operate；(4)
Electrode production process in the present invention is more conducive to solid ionic electrodes selective and develops to the direction of Mass production.
Brief description of the drawings
Fig. 1 is that (wherein 1 is conducting wire, and 2 be magnet, and 3 be electrode matrix, and 4 be magnetic graphite for the schematic diagram of electrode in the present invention
Alkene, 5 be ion selectivity polymer sensitive membrane)；
Fig. 2 is the infrared spectrogram of magnetic graphene, ferroso-ferric oxide and graphene oxide in the present invention, and a is four in figure
Fe 3 O, b are graphene oxide, and c is magnetic graphene, and the reduced graphene modified by ferroso-ferric oxide forms；Interior illustration
For the enlarged drawing of 1000-2000cm-1 wave numbers；
Fig. 3 is the electrode matrix and naked gold electrode of magnetic graphene and ferroso-ferric oxide modification in the present invention in 0.1M KCl
In cyclic voltammogram；
Fig. 4 is the correction of the solid-state Calcium signaling based on magnetic graphene solid contact conducting shell in the present invention
Curve map, interior illustration are real-time potential response figure；
Fig. 5 is based on the electrode matrix that magnetic graphene and ferroso-ferric oxide are modified and naked gold electrode development in the present invention
The chronopotentiogram of solid-state Calcium signaling, a is naked gold electrode in figure, and b is ferroso-ferric oxide modified electrode matrix, c
For the electrode matrix of magnetic graphene modification；
Fig. 6 is that the solid-state calcium ion that the electrode matrix based on magnetic graphene modification in the present invention develops with naked gold electrode selects
The water layer test chart of selecting property electrode, a is naked gold electrode in figure, and b is the electrode matrix of magnetic graphene modification.
Embodiment
The present invention is that the magnetic pole modified using induced by magnetic field absorption preparation magnetic graphene is electrode matrix, by glutinous
Patch ion selectivity polymer sensitive membrane prepares solid ionic electrodes selective.
The present invention provides the preparation method of the ion selective electrode, include the following steps：
(1) magnetic graphene is adsorbed in electrode surface using induced by magnetic field self-assembling technique, prepares magnetic graphene and repair
The electrode matrix of decorations；
(2) using tetrahydrofuran to paste the polymer containing ionophore in electrode matrix surface made from step (1) quick
Feel film, be placed in and dry at room temperature, form the ion selective electrode.
The comparison of the infrared spectrogram of 1 magnetic graphene of embodiment, ferroso-ferric oxide and graphene oxide
The comparison of the infrared spectrogram of magnetic graphene, ferroso-ferric oxide and graphene oxide, specifically includes：
(1) about 1mg magnetic graphenes, ferroso-ferric oxide and graphene oxide are taken respectively, are then respectively adding 100mg bromines
Change in potassium powder, tabletting, be put into the measure that infrared spectrum is carried out in Fourier infrared spectrograph；The magnetic graphene is by four oxygen
Change the reduced graphene composition of three-iron modification, its preparation method is dispersed in 62.5ml deionizations to weigh 0.225g graphene oxides
In water, after ultrasonic 1h, mechanical agitation mixing is carried out with the solution containing 1.6M FeCl3 and 0.8M FeSO4 under nitrogen protection,
It is slowly added to the pH=10 of ammonia spirit adjustment reaction solution so that ferriferrous oxide particles are deposited on graphene oxide on piece, so
Reaction solution is warming up to 80 DEG C afterwards, hydrazine hydrate solution is added in the graphene oxide solution containing ferroso-ferric oxide modification,
Graphene oxide is reduced into reduced graphene, finally after Magneto separate, massive laundering are washed and be dried in vacuo, i.e., described in acquisition
Magnetic graphene.The ferroso-ferric oxide, its preparation method is consistent with the preparation method of magnetic graphene, the difference is that not adding
Graphene oxide and hydrazine hydrate solution.
(2) magnetic graphene is compared with the infrared spectrogram of ferroso-ferric oxide, as shown in Fig. 2, magnetic graphene is infrared
There is the Fe-O peak identical with ferroso-ferric oxide in spectrogram, show, ferroso-ferric oxide is contained in magnetic graphene；
(3) magnetic graphene is compared with the infrared spectrogram of graphene oxide, as shown in Fig. 2,-COOH in magnetic graphene
Peak is obvious compared with graphene oxide to be weakened, and is shown, the graphene in magnetic graphene is reduced, and is to contain in magnetic graphene
There is reduced graphene.
The ratio of the cyclic voltammogram of the electrode matrix and naked gold electrode of 2 magnetic graphene of embodiment and ferroso-ferric oxide modification
Compared with
The comparison of the cyclic voltammogram of the electrode matrix and naked gold electrode of magnetic graphene and ferroso-ferric oxide modification, specifically
Including：
(1) weigh the magnetic graphene and ferroso-ferric oxide solid powder of each 3mg respectively with balance, then lured using magnetic field
Lead and adsorb respectively on magnetic gold disc electrode, that is, the electrode matrix of magnetic graphene modification and the electricity of ferroso-ferric oxide modification is made
Pole matrix；
(2) by the magnetic graphene modified electrode matrix obtained in step (1), ferroso-ferric oxide modified electrode matrix and naked
Gold electrode is respectively as working electrode, and Ag/AgCl (3M KCl) is used as reference electrode, and platinum filament is as auxiliary electrode, by three electrodes
System connects electrochemical workstation, cyclic voltammetric response diagram is measured in 0.1M KCl solution, scanning potential range is -1.0-
0.5V, sweep speed 0.1V/s；
(3) as shown in figure 3, compared with naked gold electrode and ferroso-ferric oxide modified electrode matrix, magnetic graphene modification
Electrode matrix have bigger electric double layer capacitance,
The potential response of solid-state Calcium signaling of the embodiment 3 based on magnetic graphene solid contact conducting shell
The potential response of solid-state Calcium signaling based on magnetic graphene solid contact conducting shell, specific bag
Include：
(1) according to the preparation process of electrode matrix in embodiment 2, the electrode matrix that magnetic graphene is modified is made；
(2) the polymer film solution containing Calcium ionophore is weighed, is placed in 3.6cm glass rings and dries at room temperature, shape
Into calcium ion selective polymer sensitive membrane, wherein, calcium ion selective polymer sensitive membrane solution is to be dissolved in gathering in solvent
Compound sensitivity membrane material, polymer sensitive membrane material are by weight percentage 1.3% Calcium ionophore IV, the four of 0.6%
(3,5- bis- (trifluoromethyl) phenyl) Boratex, 32.7% polyvinyl chloride, 65.4% o- nitrobenzene octyl ether, gross mass are
360mg, then 3ml tetrahydrofurans are added into polymer sensitive membrane material.
(3) the calcium ion selective polymer sensitive membrane in step 2 is pasted into magnetism in step 1 using tetrahydrofuran
Graphene electrodes matrix surface, as shown in Figure 1, the solid-state calcium ion choosing based on magnetic graphene solid contact conducting shell is made
Selecting property electrode, treats to tetrahydrofuran volatilization completely, to be placed in 0.001M calcium nitrate and activate overnight, by the electrode and reference electrode
Ag/AgCl (3M KCl) is connected to potential measurement instrument and is placed in ultra-pure water, is stepped up calcium ion concentration, observes its current potential sound
Should.As shown in figure 4, with the increase of calcium ion concentration, which gradually increases, and electrode response time is in 10s, linearly
Scope is 1.0 × 10-6-1.0 × 10-3M, response slope 28.2mV/dec, and detection is limited to 4.0 × 10-7M.
Solid-state calcium of the embodiment 4 based on the electrode matrix that magnetic graphene and ferroso-ferric oxide are modified with naked gold electrode development
The comparison of the chronopotentiogram of ion selective electrode
Selected based on the electrode matrix that magnetic graphene and ferroso-ferric oxide are modified and the solid-state calcium ion of naked gold electrode development
The comparison of the chronopotentiogram of selecting property electrode, specifically includes：
(1) according to the preparation process of electrode in embodiment 3, the solid-state calcium ion selection based on magnetic graphene is prepared respectively
Property electrode, the solid-state Calcium signaling based on ferroso-ferric oxide and based on naked golden solid-state Calcium signaling；
Wherein, the preparation of the solid-state Calcium signaling based on ferroso-ferric oxide is to modify magnetic graphene in 3 step 1 of example
Electrode matrix replace with ferroso-ferric oxide modification electrode matrix；Preparation based on naked golden solid-state Calcium signaling
It is that the electrode matrix that the magnetic graphene in 3 step 1 of example is modified is replaced with into naked gold electrode matrix.
(2) it regard electrode in step 1 as reference electrode, platinum filament conduct as working electrode, Ag/AgCl (3M KCl)
Auxiliary electrode, electrochemical workstation is connected by three-electrode system, and chronopotentiogram is measured in 0.001M calcium nitrate solutions, is applied
Electric current is respectively+10-9 and -10-9A, and the time is respectively 60s；
(3) as shown in figure 5, compared with the solid-state Calcium signaling based on naked gold and ferroso-ferric oxide, based on magnetic
The solid-state Calcium signaling of property graphene shows more preferable potential stability.
Solid-state calcium ion selective electricity of the embodiment 5 based on the electrode matrix that magnetic graphene is modified with naked gold electrode development
The contrast of the water layer test chart of pole
The water of electrode matrix and the solid-state Calcium signaling of naked gold electrode development based on magnetic graphene modification
The contrast of layer test chart, specifically includes：
(1) according to the preparation process of electrode in embodiment 3, the solid-state calcium ion selection based on magnetic graphene is prepared respectively
Property electrode and based on naked golden solid-state Calcium signaling, treat complete to tetrahydrofuran volatilization, be placed on 0.001M nitric acid
Activated overnight in calcium；
(2) electrode in step 1 and reference electrode Ag/AgCl (3M KCl) are connected to potential measurement instrument and are placed in 0.001M
Potential response 1.5h is measured in calcium nitrate solution, then electrode is taken out, after rinsing well, is placed on 0.001M sodium chloride solutions
Middle measure potential response 3h, finally takes out electrode, after rinsing well, is reapposed in 0.001M calcium nitrate solutions and measures electricity
Position response 12h；
(3) as shown in fig. 6, compared with based on naked golden solid-state Calcium signaling, consolidating based on magnetic graphene
State Calcium signaling from water layer influence, potential response more stablize.
The preparation of Solid Lead ion selective electrode of the embodiment 6 based on magnetic graphene solid contact conducting shell
Difference from Example 3 is：Lead ion selective polymerisation thing sensitivity film component is different, is specially：
Lead ion selective polymerisation thing sensitivity coating solution is the polymer sensitive membrane material being dissolved in solvent, and polymer is sensitive
Membrane material is lead ion carrier ((N, the N- dimethyl disulfide of tert-butyl group p tertButylcalixarene-four that concentration is 1.0% by weight percentage
For acetamide)), 0.4% four (3,5- bis- (trifluoromethyl) phenyl) Boratexes, 98.6% methyl methacrylate-methyl-prop
The copolymer of olefin(e) acid lauryl, gross mass 360mg, then 3ml dichloromethane is added into polymer sensitive membrane material.
The calcium ion selective then above-mentioned lead ion selective polymerisation thing sensitive membrane replaced in above-described embodiment polymerize
Thing sensitive membrane and then acquisition respective electrode, you can the concentration of lead ion in detection solution.
The preparation of solid-state cadmium ion electrodes selective of the embodiment 7 based on magnetic graphene solid contact conducting shell
Difference from Example 3 is：Cadmium ion selective polymerisation thing sensitivity film component is different, is specially：Cadmium ion
Selective polymerisation thing sensitivity coating solution is the polymer sensitive membrane material being dissolved in solvent, and polymer sensitive membrane material is by weight
Percentages concentration is 1.0% Calcium ionophore (N, N- dicyclohexyl-N ', N '-bis- octadecyls -3- oxa- glutaramides
N, N- dicyclohexyl-N ', N '-bis- octadecyls-diethylene glycol (DEG) diamides), 1.0% four (3,5- bis- (trifluoromethyl) phenyl) boron
Sour sodium, 98.0% room temperature vulcanized silicone rubber, gross mass 360mg, then 3ml tetrahydrochysene furans are added into polymer sensitive membrane material
Mutter.
The preparation of solid-state nitrate ion selective electrode of the embodiment 8 based on magnetic graphene solid contact conducting shell
Difference from Example 3 is：Nitrate ion selective polymer sensitive membrane component is different, is specially：Nitre
Acid ion selective polymerisation thing sensitivity coating solution is the polymer sensitive membrane material being dissolved in solvent, polymer sensitive membrane material
The nitrate ion carrier for being 5.2% for concentration by weight percentage (four oxa- -2,6 of 9- cetyls -1,7,11,17-,
12,16- tetraazacyclododecane eicosanes), 0.6% four octyl group ammonium chlorides, 47.1% polyvinyl chloride, 47.1% phthalic acid
Dibutyl ester, gross mass 360mg, then 3ml tetrahydrofurans are added into polymer sensitive membrane material.
It is last it should be noted that above embodiment is merely illustrative of the technical solution of the present invention and it is unrestricted,
Although the present invention is described in detail with reference to example, it will be understood by those of ordinary skill in the art that, can be to the present invention
Technical solution technical scheme is modified or replaced equivalently, without departing from the spirit and scope of technical solution of the present invention, it should all cover
Among scope of the presently claimed invention.
Claims (10)
1. a kind of solid ionic electrodes selective prepared using the solid contact conducting shell based on induced by magnetic field, its feature are existed
In：Solid ionic electrodes selective is matrix, solid contact conducting shell and the polymer sensitive membrane containing ionophore；It is described solid
Body contact conducting shell is the solid powder magnetic graphene that electrode matrix surface is adsorbed in by induced by magnetic field.
2. solid ionic selectivity electricity prepared by solid contact conducting shell of the utilization as described in claim 1 based on induced by magnetic field
Pole, it is characterised in that：
(1) solid powder magnetic graphene is adsorbed in by electrode matrix surface by induced by magnetic field, obtains and passed with solid contact
The electrode matrix of conducting shell；
(2) polymer sensitive membrane containing ionophore is sticked using tetrahydrofuran in electrode matrix surface made from step (1)
Invest above-mentioned steps (1) to obtain on the solid contact conducting shell of electrode matrix, and be placed on and dry at room temperature, form solid ionic
Electrodes selective.
3. solid ionic selection prepared by solid contact conducting shell of the utilization as described in claim 1 or 2 based on induced by magnetic field
Property electrode, it is characterised in that：The solid contact conducting shell is the solid powder that electrode matrix surface is adsorbed in by induced by magnetic field
Last magnetic graphene.
4. solid ionic selectivity electricity prepared by solid contact conducting shell of the utilization as described in claim 3 based on induced by magnetic field
Pole, it is characterised in that：The induced by magnetic field is the side that magnet is placed on to electrode matrix, using magnetic field effect by magnetic graphite
Alkene physical absorption is fixed on the opposite side of electrode matrix.
5. solid-state prepared by solid contact conducting shell of the utilization as described in claim 1-4 any one based on induced by magnetic field from
Sub- electrodes selective, it is characterised in that：The magnetic graphene is made of the reduced graphene that ferroso-ferric oxide is modified.
6. solid-state prepared by solid contact conducting shell of the utilization as described in claim 1-4 any one based on induced by magnetic field from
Sub- electrodes selective, it is characterised in that：The electrode matrix is magnetic gold disc electrode, magnetic glassy carbon electrode or magnetic platinum disk electricity
Pole.
7. solid ionic selectivity electricity prepared by solid contact conducting shell of the utilization as described in claim 1 based on induced by magnetic field
Pole, it is characterised in that：The polymer film solution containing ionophore by polymeric matrix material, plasticizer, lipophilicity from
Sub- exchanger, ionophore and solvent composition.
A kind of 8. solid ionic selectivity electricity prepared described in claim 1 using the solid contact conducting shell based on induced by magnetic field
The preparation method of pole, it is characterised in that：
(1) solid powder magnetic graphene is adsorbed in by electrode matrix surface by induced by magnetic field, obtains and passed with solid contact
The electrode matrix of conducting shell；
(2) polymer sensitive membrane containing ionophore is sticked using tetrahydrofuran in electrode matrix surface made from step (1)
Invest above-mentioned steps (1) to obtain on the solid contact conducting shell of electrode matrix, and be placed on and dry at room temperature, form solid ionic
Electrodes selective.
9. solid ionic selectivity electricity prepared by solid contact conducting shell of the utilization as described in claim 8 based on induced by magnetic field
The preparation method of pole, it is characterised in that：The polymer film solution containing ionophore is by polymeric matrix material, plasticising
Agent, lipophilicity ion-exchanger, ionophore and solvent composition.
10. solid ionic selection prepared by a kind of solid contact conducting shell of the utilization described in claim 1 based on induced by magnetic field
The application of property electrode, it is characterised in that：Application of the solid ionic electrodes selective in the detection of solution ion concentration.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109243679A (en) * | 2018-09-27 | 2019-01-18 | 深圳天元羲王材料科技有限公司 | A kind of graphene modified metal electrode and preparation method thereof |
| CN109632912A (en) * | 2018-12-29 | 2019-04-16 | 中国科学院烟台海岸带研究所 | A method of improving polymer film ion selective electrode stability and service life in biology sample detection |
| CN110243910A (en) * | 2019-06-12 | 2019-09-17 | 华东理工大学 | A kind of monimostyly ion selective electrode based on sulfhydrylation redox graphene |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101329296A (en) * | 2007-12-20 | 2008-12-24 | 复旦大学 | Glucolase electrode based on magnetic carbon nano-tube and preparation method thereof |
| CN102507696A (en) * | 2011-10-19 | 2012-06-20 | 浙江大学 | Ion-selective electrode based on graphene electrode and preparation method thereof |
| CN105223262A (en) * | 2015-10-23 | 2016-01-06 | 上海交通大学 | Based on the biology sensor and preparation method thereof of aptamer specific detection tetracycline |
| CN105241939A (en) * | 2015-09-16 | 2016-01-13 | 山东理工大学 | Preparation method for immunosensor based on gold/silver core-shell magnetic graphene adsorption cadmium ion and application |
| CN105806910A (en) * | 2016-03-18 | 2016-07-27 | 中国科学院成都生物研究所 | Biosensor achieving AChE oriented immobilization and preparation method and application of biosensor |
-
2016
- 2016-10-25 CN CN201610937897.XA patent/CN107976475A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101329296A (en) * | 2007-12-20 | 2008-12-24 | 复旦大学 | Glucolase electrode based on magnetic carbon nano-tube and preparation method thereof |
| CN102507696A (en) * | 2011-10-19 | 2012-06-20 | 浙江大学 | Ion-selective electrode based on graphene electrode and preparation method thereof |
| CN105241939A (en) * | 2015-09-16 | 2016-01-13 | 山东理工大学 | Preparation method for immunosensor based on gold/silver core-shell magnetic graphene adsorption cadmium ion and application |
| CN105223262A (en) * | 2015-10-23 | 2016-01-06 | 上海交通大学 | Based on the biology sensor and preparation method thereof of aptamer specific detection tetracycline |
| CN105806910A (en) * | 2016-03-18 | 2016-07-27 | 中国科学院成都生物研究所 | Biosensor achieving AChE oriented immobilization and preparation method and application of biosensor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109243679A (en) * | 2018-09-27 | 2019-01-18 | 深圳天元羲王材料科技有限公司 | A kind of graphene modified metal electrode and preparation method thereof |
| CN109243679B (en) * | 2018-09-27 | 2021-06-08 | 深圳天元羲王材料科技有限公司 | Graphene modified metal electrode and preparation method thereof |
| CN109632912A (en) * | 2018-12-29 | 2019-04-16 | 中国科学院烟台海岸带研究所 | A method of improving polymer film ion selective electrode stability and service life in biology sample detection |
| CN110243910A (en) * | 2019-06-12 | 2019-09-17 | 华东理工大学 | A kind of monimostyly ion selective electrode based on sulfhydrylation redox graphene |
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