CN102664131A - Device for determining migration number of hydrogen ions (H<+>) through interface method and method for determining migration number of H<+> - Google Patents
Device for determining migration number of hydrogen ions (H<+>) through interface method and method for determining migration number of H<+> Download PDFInfo
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- CN102664131A CN102664131A CN201210129260XA CN201210129260A CN102664131A CN 102664131 A CN102664131 A CN 102664131A CN 201210129260X A CN201210129260X A CN 201210129260XA CN 201210129260 A CN201210129260 A CN 201210129260A CN 102664131 A CN102664131 A CN 102664131A
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Abstract
The invention discloses a device for determining the migration number of hydrogen ions (H<+>) through an interface method. The device comprises a migration tube in which a test solution is stored, wherein the upper end of the migration tube is vertically inserted into a cathode, and the lower end of the migration tube is vertically inserted into an anode; a direct current voltage measurer and a power switch are respectively connected in series with the cathode and the anode to form a series circuit; an air outlet hole is formed in a rubber plug at the upper end of the migration tube, and the cathode is inserted into the rubber plug; an inner cavity of the migration tube is communicated with the atmosphere through the air outlet hole; a constant-temperature device is arranged outside the migration tube to uniformize and stabilize the temperature of the test solution which is stored in the migration tube; and the direct current voltage measurer is connected in parallel with a BZ3 type standard resistor. The invention also discloses a method for determining the migration number of the H<+> through the interface method by using the device for determining the migration number of the H<+> through the interface method. The invention has the advantages of simple working principle and convenience for operation, test speed and working efficiency are improved, the accuracy of a test result is greatly improved, and environmental harm is reduced.
Description
Technical field
The present invention relates to a kind of mensuration H
+The device of transference number of ions and mensuration H thereof
+The transference number of ions method is applied to the mensuration of laboratory interfacial transference number of ions.
Background technology
Transference number of ions is meant various ions separately conduction share in conducting process, and the transport number of ion is unique ionic nature that can experiment measuring, and many other ionic natures all obtain through it.Method of measurement commonly used has Hittorff's method, moving boundary method etc.Hittorff's method need be measured cation move out anode region or anion the move out amount of substance in cathodic region and the amount of substance of generating electrodes reaction, tries to achieve the transport number of ion then, and difficulty of test is bigger.Moving boundary method is the Interface Moving speed of directly measuring between two electrolyte solutions, and its apparatus structure is simple, and is easy to operate, can accurately test out H
+The number of ion migration.Referring to Fig. 1, be the transference number of ions testing apparatus structural representation of prior art, traditional mensuration H
+The device of transference number of ions comprises the migration tube 16 of containing storage test solution 12; Add indicator in the test solution 12; Through instrument support migration tube 16 is vertically fixedly installed, on migration tube 16, be provided with graduation mark 13, cathode electrode 14 is vertically inserted in migration tube 16 upper ends; Anode cadmium electrode 7 is vertically inserted in migration tube 16 lower ends; Cathode electrode 14 is connected with the negative electricity of D.C. regulated power supply 4, and anode electrode 7 is connected with the positive electrical of D.C. regulated power supply 4, and dc current measurement appearance 1, mains switch 5 all form series circuit with cathode electrode 14 and anode electrode 7; Anode electrode 7 is fixed assembling through rubber stopper 8 and migration tube 16 respectively with cathode electrode 14; Also be provided with venthole 15 on the rubber stopper 8 of migration tube 16 upper end plant cathode electrodes 14, venthole 15 makes the inner chamber and the atmosphere of migration tube 16, and dc current measurement appearance 1 is the scale formula ammeter of throw of pointer.Because traditional apparatus can not cause the test result error big by constant temperature; The scale formula ammeter of throw of pointer makes that reading current data not only bothers; The refuse serious harm environment accurate not enough, that original cadmium electrode experiment back produces, these a series of problems affect test speed and operating efficiency; Also influenced precision of test result greatly, and unfavorable to environment.
Summary of the invention
In order to solve the prior art problem, the objective of the invention is to overcome the defective that prior art exists, and provide a kind of interfacial to measure H
+The device of transference number of ions, operation principle is simple, and is easy to operate, and easy master is controlled with regulating, and helps test and carries out smoothly, has improved the speed and the operating efficiency of test, and the test result accuracy improves greatly, and has reduced the harm to environment.
For achieving the above object, design of the present invention is:
A kind of ability constant temperature is provided, conveniently calculates electric current in the loop, measure H
+The device of transference number of ions and method of measurement thereof.At first outside migration tube, install thermostat additional, make the temperature of the test solution of containing storage in the migration tube uniform and stable; Next adopts, and BZ3 type standard resistor is parallelly connected with the dc voltage measurement appearance then to be connected in the loop, after testing out the electric current that passes through in the loop with the dc voltage measurement appearance, with the resistance value of BZ3 type standard resistor, calculates through Ohm's law again; Port has used rubber stopper in the migration tube lower end once more, inserts electrode on the rubber stopper.
According to above-mentioned inventive concept, the present invention adopts following technical proposals:
A kind of interfacial is measured H
+The device of transference number of ions comprises the migration tube of containing the storage test solution, through instrument support migration tube is vertically fixedly installed; On migration tube, be provided with graduation mark, cathode electrode is vertically inserted in the migration tube upper end, and anode electrode is vertically inserted in the migration tube lower end; Cathode electrode is connected with the negative electricity of D.C. regulated power supply; Anode electrode is connected with the positive electrical of D.C. regulated power supply, and dc voltage measurement appearance, mains switch all form series circuit with cathode electrode and anode electrode, and anode electrode and cathode electrode are respectively through rubber stopper and the fixing assembling of migration tube; Also be provided with venthole on the rubber stopper of migration tube upper end plant cathode electrode; Venthole makes the inner chamber and the atmosphere of migration tube, outside migration tube, installs thermostat additional, makes the temperature of the test solution of containing storage in the migration tube uniform and stable; The dc voltage measurement appearance is also parallelly connected with a BZ3 type standard resistor; Its circuit connecting mode is: the positive pole of dc voltage measurement appearance is electrically connected with first binding post of BZ3 type standard resistor, and the negative pole of dc voltage measurement appearance is electrically connected with second binding post of BZ3 type standard resistor, and the positive pole of D.C. regulated power supply is electrically connected with the 3rd binding post of BZ3 type standard resistor; Anode electrode is electrically connected with the 4th binding post of BZ3 type standard resistor; First binding post and second binding post form first branch road, and the 3rd binding post and the 4th binding post form second branch road, and first branch road and second branch road be parallel circuits each other.
As improvement of the present invention; The structure of preferred thermostat is: at outer tube of migration tube overcoat; Inject circulating liquid medium outside in the sleeve pipe, make circulating liquid medium be full of the gap cavity between outer tube and the migration tube, outer tube top has delivery port to be communicated with the water inlet of thermostatic water-circulator bath device; And outside the sleeve pipe bottom have water inlet with the delivery port of thermostatic water-circulator bath device be communicated with, migration tube is assembled through other rubber stopper and outer tube are fixing.
As a further improvement on the present invention, anode electrode is preferably nickel electrode.
Above-mentioned cathode electrode also can preferably be adopted as silver electrode.
Circulating liquid medium in the gap cavity between above-mentioned outer tube and the migration tube is thermostatted water or thermostatical oil medium.
The resistance value of above-mentioned BZ3 type standard resistor also is preferably 100 ohm.
Above-mentioned dc voltage measurement appearance preferably adopts digital dc voltage measurement appearance.
According to above-mentioned inventive concept, a kind of mensuration H is provided also
+The method of transference number of ions, the present invention also adopts following technical proposals:
A kind ofly utilize above-mentioned interfacial to measure H
+The device of transference number of ions carries out interfacial and measures H
+The method of transference number of ions is characterized in that, comprises the steps:
A. open thermostat, the temperature of containing the test solution of storage in the migration tube is adjusted into the experiment preset temperature, and keep the temperature stabilization of test solution;
B. energized switch, and startup dc voltage measurement appearance, the energising preheating is for use after 5～10 minutes;
C. with deionized water difference drip washing migration tube, cathode electrode and anode electrode; With the test solution that has added methyl orange drip washing migration tube, cathode electrode and anode electrode two to three times respectively, in whole migration tube, fill the test solution that adds methyl orange then again;
D. cathode electrode and anode electrode are inserted interfacial mensuration H
+The Circuits System of the device of transference number of ions, and migration tube, cathode electrode and anode electrode are assembled into interfacial measure H
+Behind the device of transference number of ions, prepare to begin experiment;
E. the energized switch is regulated D.C. regulated power supply output switch, exports the voltage of 400 mv to 500mv;
F. along with electrolysis is carried out, after test interface appears clearly in the test solution in the pipe to be migrated, according to Fixed Time Interval simultaneously writing time, test interface displacement and dc voltage measurement appearance record voltage;
G. according to the resistance that records voltage and BZ3 type standard resistor of experimental period, test interface displacement, dc voltage measurement appearance, calculate H in the test solution
+Transport number.
Above-mentioned test solution is the hydrochloric acid solution that has added methyl orange indicator.
The present invention has following conspicuous outstanding substantive distinguishing features and remarkable advantage compared with prior art:
1. in testing apparatus provided by the invention and the method for testing, the migration tube of splendid attire test solution adds thermostat, has improved precision of test result greatly; Method of testing of the present invention is reasonable; Easy to operate, be applicable to various chemical laboratory experimental applications, can be used for the kinds of experiments occasion;
2. changed environmentally hazardous cadmium electrode into nickel electrode, reduced pollution and the harm of chemical experiment waste liquid environment;
3. the scale formula ammeter of throw of pointer changes digital dc voltage measurement appearance into, and it is convenient, accurate to read voltage data, combines the resistance value of BZ3 type standard resistor in the loop again, can accurately calculate electric current in the loop according to Ohm's law;
4. this method of testing is easy and simple to handle, is convenient to grasp, and has improved test speed and operating efficiency.
Description of drawings
Fig. 1 is the structural representation of the transference number of ions testing apparatus of prior art of the present invention.
Fig. 2 is that the embodiment of the invention one interfacial is measured H
+The apparatus structure sketch map of transference number of ions.
Fig. 3 is that embodiment of the invention second interface method is measured H
+The apparatus structure sketch map of transference number of ions.
Embodiment
In conjunction with accompanying drawing, details are as follows to the preferred embodiments of the present invention:
Embodiment one:
Referring to Fig. 2, a kind of interfacial is measured H
+The device of transference number of ions comprises the migration tube 16 of containing storage test solution 12, adds indicator in the test solution 12; Through instrument support migration tube 16 is vertically fixedly installed; On migration tube 16, be provided with graduation mark 13, cathode electrode 14 is vertically inserted in migration tube 16 upper ends, and anode electrode 7 is vertically inserted in migration tube 16 lower ends; Cathode electrode 14 is connected with the negative electricity of D.C. regulated power supply 4; Anode electrode 7 is connected with the positive electrical of D.C. regulated power supply 4, and dc voltage measurement appearance 1, mains switch 5 all form series circuit with cathode electrode 14 and anode electrode 7, and anode electrode 7 is fixed assembling through rubber stopper 8 and migration tube 16 respectively with cathode electrode 14; Also be provided with venthole 15 on the rubber stopper 8 of migration tube 16 upper end plant cathode electrodes 14; Venthole 15 makes the inner chamber and the atmosphere of migration tube 16, outside migration tube 16, installs thermostat 6 additional, makes the temperature of the test solution 12 of containing storage in the migration tube 16 uniform and stable; Dc voltage measurement appearance 1 is also parallelly connected with a BZ3 type standard resistor 3; Its circuit connecting mode is: the positive pole of dc voltage measurement appearance 1 is electrically connected with BZ3 type standard resistor 3 first binding posts 2, and the negative pole of dc voltage measurement appearance 1 is electrically connected with BZ3 type standard resistor 3 second binding posts 26, and the positive pole of D.C. regulated power supply 4 is electrically connected with BZ3 type standard resistor 3 the 3rd binding post 25; Anode electrode 7 is electrically connected with BZ3 type standard resistor 3 the 4th binding post 24; First binding post 2 and second binding post 26 form first branch road, and the 3rd binding post 25 and the 4th binding post 24 form second branch road, and first branch road and second branch road be parallel circuits each other.
In the present embodiment, when giving test solution after 12 energising a period of times, the metal simple-substance on the anode electrode 7 loses electronics and becomes metal cation; Form metal salt solution 9 with the anion in the solution, and the hydrogen ion in the solution obtains electronics, becomes hydrogen around cathode electrode 14, to have can be observed the gas effusion; Constantly up migration of hydrogen ion obtains electronics like this, and anode electrode 7 metal materials constantly lose electronics and get in the metal salt solution 9; Owing to add indicator in the test solution 12; Solution layering in the migration tube 16 after energising a period of time, then test interface 17 has just appearred, along with the continuation of conduction time; Test interface 17 just constantly up moves; The position of being moved over time through the test interface of representing with graduation mark 13 17, and the relevant parameters such as variation of voltage just can calculate hydrionic transport number in the test solution 12.Electric current adopts the measured voltage of dc voltage measurement appearance 1 and the resistance of BZ3 type standard resistor 3 in the above-mentioned loop, calculates according to Ohm's law.Adopt the present embodiment interfacial to measure H
+The device of transference number of ions is tested, and is easy to operate, can improve precision of test result, improves test speed and operating efficiency, useful to environmental protection, is applicable to scientific research institution and Scientific Research in University Laboratory.
Embodiment two:
The technical scheme of present embodiment and embodiment one is basic identical, and difference is:
In the present embodiment; Referring to Fig. 3; The structure of above-mentioned thermostat 6 is: at outer tube 11 of migration tube 16 overcoats; Inject circulating liquid medium 10 in the sleeve pipe 11 outside, make circulating liquid medium 10 be full of the gap cavity between outer tube 11 and the migration tube 16, outer tube 11 tops have delivery port 22 to be communicated with the water inlet 20 of thermostatic water-circulator bath device 21; And outside sleeve pipe 11 bottoms have water inlet 23 with the delivery port 19 of thermostatic water-circulator bath device 21 be communicated with, migration tube 16 is through other rubber stopper 8 and outer tube 11 fixing assemblings.In the present embodiment, in Fig. 3, constant temperature water pipe 11 of migration tube 16 overcoats; Can make the temperature of the test solution 12 of containing storage in the migration tube 16 uniform and stable by the thermostatic water-circulator bath device 21 of rubber tube connection and two entery and delivery ports of outer tube 11, improve precision of test result greatly; Method of testing of the present invention is reasonable; Easy to operate, be applicable to various chemical laboratory experimental applications, can be used for the kinds of experiments occasion.
In the present embodiment; Circulating liquid medium 10 in the gap cavity between above-mentioned outer tube 11 and the migration tube 16 is thermostatted water or thermostatical oil medium; Realization is to containing the water-bath or the oil bath heat tracing of the test solution 12 of storage in the migration tube 16; Make the temperature of test solution 12 uniform and stable, can guarantee better that test solution 12 tests hydrionic transport number in its solution under stationary temperature.
Embodiment three:
The technical scheme of present embodiment and previous embodiment is basic identical, and difference is:
In the present embodiment, above-mentioned anode electrode 7 is preferably nickel electrode.Nickel electrode is vertically inserted in the rubber stopper 8, and this rubber stopper 8 directly is inserted in migration tube 16 lower ends, and nickel electrode is immersed in the test solution 12.When giving test solution after 12 energising a period of times, the nickel simple substance on the anode electrode 7 loses the bivalent cation that electronics becomes nickel, with the anion formation metal salt solution 9 in the solution; Under the indicator effect, demonstrate orangely, and the hydrogen ion in the solution obtains electronics, becomes hydrogen and around cathode electrode 14, can be observed gas and overflow; Constantly up migration of hydrogen ion like this; Obtain electronics, anode electrode 7 constantly loses electronics and gets in the metal salt solution 9, can reduce the harm to environment.
Embodiment four:
The technical scheme of present embodiment and previous embodiment is basic identical, and difference is:
In the present embodiment, above-mentioned cathode electrode 14 is a silver electrode.The vertical insertion of silver electrode has in the rubber stopper 8 of a small de-air hole 15, and this rubber stopper 8 directly is inserted in migration tube 16 upper ends, and silver electrode is immersed in the test solution 12, and silver electrode material conducts electricity very well, and can make ion migration experiment test more accurate.
Embodiment five:
The technical scheme of present embodiment and previous embodiment is basic identical, and difference is:
In the present embodiment, the resistance value of above-mentioned BZ3 type standard resistor 3 is 100 ohm, adopts the measured voltage of dc voltage measurement appearance 1 and the resistance of BZ3 type standard resistor 3, and is convenient according to size of current in the Ohm's law counter circuit, is convenient to H
+Transference number of ions calculates.
Embodiment six:
The technical scheme of present embodiment and previous embodiment is basic identical, and difference is:
In the present embodiment, above-mentioned dc voltage measurement appearance 1 adopts digital dc voltage measurement appearance.The scale formula ammeter of throw of pointer changes digital dc voltage measurement appearance into; Can make things convenient for direct read-out voltage data; It is more convenient, accurate to read voltage data, combines the resistance value of DC Standard Resistor in the loop again, can accurately calculate electric current in the loop according to Ohm's law.
Embodiment seven:
In the present embodiment, a kind of interfacial is measured H
+The method of transference number of ions comprises the steps:
A. open thermostatic water-circulator bath device 21, with water temperature be set to the experiment temperature required, open the thermostatted water circulating water pump, and make be full of in the outer tube 11 experiment required thermostatted water 10;
B. with D.C. regulated power supply 4 and dc voltage measurement appearance 1 energized, the energising preheating is for use after 5～10 minutes;
C. use deionized water drip washing migration tube 13 and anode electrode 7, cathode electrode 14, and, in migration tube 16, fill test solution 12 then with test solution 12 drip washing migration tubes 16 and anode electrode 7, cathode electrode 14 2 to three times,
D. connect anode electrode 7, cathode electrode 14 and constant voltage dc source 4, BZ3 type standard resistor 3, dc voltage measurement appearance 1 with lead, check errorless after, begin the experiment;
E. turn on the power switch 5, regulate D.C. regulated power supply 4 output switches, control is added in voltage on the BZ3 type standard resistor 3 between 400 to 500mv;
F. along with electrolysis is carried out, test interface 17 clearly appears in the migration tube 16;
H. experiment finishes to clear up, with instrumental function is strong make zero after, close D.C. regulated power supply 4, detaching device is poured waste collection into waste liquid barrel, again with migration tube 16 and anode electrode 7, cathode electrode 14 washes clean,
I. through mapping and calculating, carry out data processing, draw the hydrogen ion transport number of test solution 12.
Embodiment eight:
The technical scheme of present embodiment and previous embodiment is basic identical, and difference is:
In the present embodiment, preferred test solution (12) is for having added the hydrochloric acid solution of methyl orange indicator.When being preferably nickel electrode like anode electrode 7, when giving test solution after 12 energising a period of times, the nickel simple substance on the anode electrode 7 loses the bivalent cation that electronics becomes nickel; Form nickel chloride solution with chloride ion in the solution, under the methyl orange indicator effect, demonstrate orangely, and the hydrogen ion in the solution obtains electronics; Become hydrogen and around cathode electrode 14, can be observed gas and overflow, like this since hydrogen ion constantly up move, obtain electronics; Nickel electrode constantly loses electronics and gets in the nickel chloride solution, because test solution 12 is the certain density hydrochloric acid solutions that added methyl orange indicator, so test solution presents redness; Migration tube 16 interior solution tops present redness after energising a period of time; The bottom appears orange, then test interface 17 has just appearred, along with the continuation of conduction time; Test interface 17 just constantly up moves; The position of being moved over time through the test interface of representing with graduation mark 13 17, and the relevant parameters such as variation of voltage can calculate hydrionic transport number in the test solution 12.
Combine accompanying drawing that the embodiment of the invention is illustrated above; But the invention is not restricted to the foregoing description; Can also make multiple variation according to the purpose of innovation and creation of the present invention, change, the modification of making under all spirit and principles according to technical scheme of the present invention, substitute, combination, simplify, all should be the substitute mode of equivalence; As long as goal of the invention according to the invention, only otherwise deviate from interfacial of the present invention and measure H
+The device of transference number of ions and mensuration H thereof
+The know-why of transference number of ions method and inventive concept all belong to protection scope of the present invention.
Claims (9)
1. an interfacial is measured H
+The device of transference number of ions; Comprise the migration tube (16) of containing storage test solution (12); Add indicator in the test solution (12); Through instrument support said migration tube (16) is vertically fixedly installed; On said migration tube (16), be provided with graduation mark (13); Cathode electrode (14) is vertically inserted in said migration tube (16) upper end; Anode electrode (7) is vertically inserted in said migration tube (16) lower end, and said cathode electrode (14) is connected with the negative electricity of D.C. regulated power supply (4), and said anode electrode (7) is connected with the positive electrical of said D.C. regulated power supply (4); Dc voltage measurement appearance (1), mains switch (5) all form series circuit with said cathode electrode (14) and said anode electrode (7); Said anode electrode (7) and said cathode electrode (14) also are provided with venthole (15) respectively through the fixing assembling of rubber stopper (8) and said migration tube (16) on the rubber stopper (8) of the said cathode electrode (14) of planting on the said migration tube (16), and said venthole (15) makes the inner chamber and the atmosphere of said migration tube (16); It is characterized in that: outside said migration tube (16), install thermostat (6) additional; Make the temperature of the test solution (12) of containing storage in the said migration tube (16) uniform and stable, said dc voltage measurement appearance (1) is also parallelly connected with a BZ3 type standard resistor (3), and its circuit connecting mode is: the positive pole of said dc voltage measurement appearance (1) is electrically connected with said BZ3 type standard resistor (3) first binding posts (2); The negative pole of said dc voltage measurement appearance (1) is electrically connected with said BZ3 type standard resistor (3) second binding posts (26); The positive pole of said D.C. regulated power supply (4) is electrically connected with said BZ3 type standard resistor (3) the 3rd binding post (25), and said anode electrode (7) is electrically connected with said BZ3 type standard resistor (3) the 4th binding post (24), and said first binding post (2) and second binding post (26) form first branch road; Said the 3rd binding post (25) and the 4th binding post (24) form second branch road, and said first branch road and second branch road be parallel circuits each other.
2. interfacial according to claim 1 is measured H
+The device of transference number of ions; It is characterized in that; The structure of said thermostat (6) is: at said migration tube (a 16) outer tube of overcoat (11); In said outer tube (11), inject circulating liquid medium (10); Make circulating liquid medium (10) be full of the gap cavity between said outer tube (11) and the said migration tube (16); Said outer tube (11) top has delivery port (22) to be communicated with the water inlet (20) of thermostatic water-circulator bath device (21), and has water inlet (23) to be communicated with the delivery port (19) of described thermostatic water-circulator bath device (21) in said outer tube (11) bottom, and said migration tube (16) is through the fixing assembling of other rubber stopper (8) and said outer tube (11).
3. interfacial according to claim 1 and 2 is measured H
+The device of transference number of ions is characterized in that: said anode electrode (7) is a nickel electrode.
4. interfacial according to claim 1 and 2 is measured H
+The device of transference number of ions is characterized in that: said cathode electrode (14) is a silver electrode.
5. interfacial according to claim 2 is measured H
+The device of transference number of ions is characterized in that: the circulating liquid medium (10) in the gap cavity between said outer tube (11) and the said migration tube (16) is thermostatted water or thermostatical oil medium.
6. interfacial according to claim 1 and 2 is measured H
+The device of transference number of ions is characterized in that: the resistance value of said BZ3 type standard resistor (3) is 100 ohm.
7. interfacial according to claim 1 and 2 is measured H
+The device of transference number of ions is characterized in that: said dc voltage measurement appearance (1) adopts digital dc voltage measurement appearance.
8. one kind is utilized claim 1 said interfacial to measure H
+The device of transference number of ions carries out interfacial and measures H
+The method of transference number of ions is characterized in that, comprises the steps:
A. open thermostat (6), the temperature of containing the test solution (12) of storage in the said migration tube (16) is adjusted into the experiment preset temperature, and keep the temperature stabilization of test solution (12);
B. energized switch (5), and startup dc voltage measurement appearance (1), the energising preheating is for use after 5～10 minutes;
C. with deionized water difference drip washing migration tube (16), cathode electrode (14) and anode electrode (7); With the test solution (12) that has added methyl orange drip washing migration tube (16), cathode electrode (14) and anode electrode (7) two to three times respectively, in whole migration tube (16), fill the test solution (12) of adding methyl orange then again;
D. cathode electrode (14) and anode electrode (7) are inserted interfacial mensuration H
+The Circuits System of the device of transference number of ions, and migration tube (16), cathode electrode (14) and anode electrode (7) are assembled into interfacial measure H
+Behind the device of transference number of ions, prepare to begin experiment;
E. energized switch (5) is regulated D.C. regulated power supply (4) output switch, exports the voltage of 400 mv to 500mv;
F. along with electrolysis is carried out, after test interface (17) appears clearly in the test solution (12) in the pipe to be migrated (16), according to Fixed Time Interval simultaneously writing time, test interface (17) displacement and dc voltage measurement appearance (1) record voltage;
G. according to the resistance that records voltage and BZ3 type standard resistor (3) of experimental period, test interface (17) displacement, dc voltage measurement appearance (1), calculate H in the test solution (12)
+Transport number.
9. measure H according to claim 8 said interfacial
+The method of transference number of ions is characterized in that: said test solution (12) is for having added the hydrochloric acid solution of methyl orange indicator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210129260XA CN102664131A (en) | 2012-04-28 | 2012-04-28 | Device for determining migration number of hydrogen ions (H<+>) through interface method and method for determining migration number of H<+> |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210129260XA CN102664131A (en) | 2012-04-28 | 2012-04-28 | Device for determining migration number of hydrogen ions (H<+>) through interface method and method for determining migration number of H<+> |
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| CN102664131A true CN102664131A (en) | 2012-09-12 |
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|---|---|---|---|
| CN201210129260XA Pending CN102664131A (en) | 2012-04-28 | 2012-04-28 | Device for determining migration number of hydrogen ions (H<+>) through interface method and method for determining migration number of H<+> |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112485208A (en) * | 2020-11-20 | 2021-03-12 | 国网四川省电力公司电力科学研究院 | Method and system for detecting solution ion migration under electric field |
| CN115128139A (en) * | 2022-05-19 | 2022-09-30 | 广州伊创科技股份有限公司 | Environmental monitor with constant temperature device |
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| CN201583474U (en) * | 2009-12-22 | 2010-09-15 | 上海大学 | Migration tube used in H+ ion migration number determination test utilizing moving boundary method |
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- 2012-04-28 CN CN201210129260XA patent/CN102664131A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201583474U (en) * | 2009-12-22 | 2010-09-15 | 上海大学 | Migration tube used in H+ ion migration number determination test utilizing moving boundary method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112485208A (en) * | 2020-11-20 | 2021-03-12 | 国网四川省电力公司电力科学研究院 | Method and system for detecting solution ion migration under electric field |
| CN112485208B (en) * | 2020-11-20 | 2023-09-05 | 国网四川省电力公司电力科学研究院 | Method and system for detecting solution ion migration under electric field |
| CN115128139A (en) * | 2022-05-19 | 2022-09-30 | 广州伊创科技股份有限公司 | Environmental monitor with constant temperature device |
| CN115128139B (en) * | 2022-05-19 | 2023-11-03 | 广州伊创科技股份有限公司 | Environment monitor with constant temperature device |
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Application publication date: 20120912 |