CN104749092A - Fixed-volume liquid supply corrosion electrolytic tank testing apparatus and testing method thereof - Google Patents
Fixed-volume liquid supply corrosion electrolytic tank testing apparatus and testing method thereof Download PDFInfo
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- CN104749092A CN104749092A CN201310733137.3A CN201310733137A CN104749092A CN 104749092 A CN104749092 A CN 104749092A CN 201310733137 A CN201310733137 A CN 201310733137A CN 104749092 A CN104749092 A CN 104749092A
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Abstract
The invention specifically relates to a fixed-volume liquid supply corrosion electrolytic tank testing apparatus and a testing method thereof, belonging to the technical field of testing apparatuses for anti-corrosion electrochemistrical parameters of metal materials and surface films and rapid evaluation methods for corrosion resistance of the metal materials and the surface films. The testing apparatus provided by the invention is composed of a solution tank cover, a fixed-volume liquid supply rod, a corrosion medium supply device, a corrosion testing electrolytic tank and a sealing gasket. According to the invention, selective corrosion of a sample is carried out through the corrosion testing electrolytic tank, and the corrosion testing electrolytic tank can also be used for electrochemical experiments. The corrosion apparatus and method provided by the invention have the advantages of convenience in usage and loading, simple operation, convenience in carrying, selective corrosion and suitability for observation.
Description
Technical field
The invention belongs to anti-corrosion electric chemical parameters proving installation and the quick evaluating method technical field of corrosion stability thereof of metal material and surface coating, particularly a kind of constant volume is to corrosion electrolytic cell test unit and test method thereof.
Background technology
The corrosion resistance test of metal material and overlay film thereof; that the protection overlay film of research metal material is under different solution systems and concentration, pH value, temperature conditions coupling; to the affecting laws of metal material overlay film corrosion failure, and the electrochemical testing device under effect.At present for large, expensive, the mobile inconvenience of testing equipment volume that anti-corrosion electric test chemical and the corrosion failure of metal material overlay film are evaluated, in the test application of reality, there is a lot of limitation, and the requirement of experiment of evaluation and test fast can not be met.Domesticly have developed piston type priming device, but metal material and the performance test of overlay film corrosion electrochemistry, selective corrosion, Reusability cannot be met, be convenient to dismantle, the requirement of evaluation and test fast.
Summary of the invention
For the defect of prior art, for studying solution system and concentration, pH value, temperature conditions better to the impact of decay resistance of metal material and overlay film thereof and the change of electrochemical parameter, Fast Evaluation corrosion occurs and damage evolutional law, the invention provides a kind of constant volume to corrosion electrolytic cell test unit and test method thereof, the present invention is not only conducive to analysis of experiments, and use adds carried convenient, simple to operate, easy to carry, selective corrosion, is suitable for observation, widely applicable, can electro-chemical test be carried out, and can reuse.
A kind of constant volume is to corrosion electrolytic cell test unit, and described device is made up of solution pool lid, constant volume feeding bar, corrosive medium liquid dispensing apparatus, corrosion test electrolytic cell and gasket seal;
Wherein said corrosive medium liquid dispensing apparatus is by corrosive medium solution pool, form to fluid apertures, liquid injection hole, feeding rod aperture and gas port; Corrosive medium solution pool is set on the top of corrosive medium liquid dispensing apparatus, below described corrosive medium solution pool, feeding rod aperture is set, described corrosive medium solution pool with between feeding rod aperture by being connected to fluid apertures; Arrange liquid injection hole perpendicular to described feeding rod aperture, described liquid injection hole is connected with feeding rod aperture is through, and the top of described liquid injection hole is connected with gas port, and the top of described gas port is arranged on the top of corrosive medium liquid dispensing apparatus;
Described solution pool lid is connected by screw thread with corrosive medium liquid dispensing apparatus top; Cover at described solution pool and arrange air hole, the through solution pool lid of described air hole, communicates with corrosive medium solution pool and gas port respectively;
Described constant volume feeding bar communicates through feeding rod aperture, and described constant volume feeding bar seals with feeding rod aperture and is connected; Described constant volume feeding bar arranges constant volume hole; Described constant volume feeding bar can along the axial back and forth movement of feeding rod aperture, can match with giving fluid apertures and liquid injection hole respectively in described constant volume hole; Outside described corrosive medium liquid dispensing apparatus, one end of constant volume feeding bar arranges limited cap, in order to fixing constant volume feeding bar;
Be connected by screw thread with corrosion test electrolytic cell bottom described corrosive medium liquid dispensing apparatus, be connected with corrosion test electrolytic cell is through bottom described liquid injection hole, corrosion mouth is set bottom described corrosion test electrolytic cell;
Described corrosion test electrolytic cell bottom arranges gasket seal, is connected, described gasket seal arranges through hole in order to seal with sample, and described through hole communicates with corrosion mouth.
The material of described solution pool lid is anti-corrosion nylon material.
Described constant volume feeding bar, corrosive medium solution pool, to fluid apertures, liquid injection hole, feeding rod aperture, the material of gas port is anticorrosive high molecular material.
The material of described corrosion test electrolytic cell is corrosion resisting stainless steel material.
The material of described gasket seal is the silastic material with insulating property of acid and alkali-resistance.
Constant volume is to a test method for corrosion electrolytic cell test unit, and its concrete scheme is as follows:
The metal material processed and overlay film sample thereof are placed on immediately below described device, choose corrosion area, test unit is made to be pressed on the surface of sample, by mobile constant volume feeding bar, etchant solution in corrosive medium solution pool is injected in corrosion test electrolytic cell, reach the object of the loading to sample constant volume corrosive medium, then corrosion electrochemistry parameter measurement is carried out to it.
Constant volume is to a test method for corrosion electrolytic cell test unit, and its concrete steps are as follows:
1) sample is processed into sheet, removing surface is clean, can not destroy metal surface and overlay film thereof, with alcohol wipe surface, dries up rear stand-by;
2) choose testing position at specimen surface, gasket seal is placed in the testing position chosen, the corrosion hole of corrosion test electrolytic cell is aimed at the through hole of gasket seal, fix device, make it seal under pressure;
3) according to different metallographictest materials and overlay film character selective etching medium, corrosive medium is joined in corrosive medium liquid dispensing apparatus, in corrosive medium solution pool, add etchant solution according to set testing standard;
4) mobile constant volume feeding bar, make etchant solution pass through to flow into constant volume hole to fluid apertures, the etchant solution in constant volume hole flows in corrosion test electrolytic cell by liquid injection hole after gas port conducting;
5) in corrosion test electrolytic cell, introduce electrode, connect electrochemical testing device simultaneously, measure the situation of change of the electrochemical parameter of sample in different corrosive medium, pH value, temperature and etching time, collect process experimental data.
Described etchant solution is acidic corrosion solution or alkaline corrosion solution; It is formulated that described etchant solution all adopts deionized water to dilute, the etchant solution different according to the different choice of test material and concerned countries standard; Measure once its pH value when joining etchant solution, the replacement frequency of etchant solution is 1-2 days 1 time.
Beneficial effect of the present invention is:
Test unit structure of the present invention is simple, add carried convenient; optionally carry out local corrosion; the galvanochemistry evaluation and test under corrosive medium effect can be carried out simultaneously; and the test condition that can control is many, can reuse, have wide range of applications, Fast Evaluation can be carried out to the protective value of metal material and overlay film thereof.
Accompanying drawing explanation
Fig. 1 is the test unit assembly structure schematic diagram of the embodiment of the present invention 1;
Fig. 2 is the corrosive medium liquid dispensing apparatus structural representation of the embodiment of the present invention 1;
Fig. 3 is the constant volume feeding lever apparatus structural representation of the embodiment of the present invention 1;
Fig. 4 is the corrosion test electrolytic cell device structural representation of the embodiment of the present invention 1;
Number in the figure: 1-solution pool lid, 2-constant volume feeding bar, 3-corrosive medium liquid dispensing apparatus, 4-corrosion test electrolytic cell, 5-gasket seal, 6-sample, 101-air hole, 201-constant volume hole, 202-limited cap, 301-corrosive medium solution pool, 302-to fluid apertures, 303-liquid injection hole, 304-feeding rod aperture, 305-gas port, 401-corrosion hole.
Embodiment
The invention provides a kind of constant volume to corrosion electrolytic cell test unit and test method thereof, below in conjunction with the drawings and specific embodiments, the present invention will be further described.
A kind of constant volume is to corrosion electrolytic cell test unit, and described device is made up of solution pool lid 1, constant volume feeding bar 2, corrosive medium liquid dispensing apparatus 3, corrosion test electrolytic cell 4 and gasket seal 5;
Wherein said corrosive medium liquid dispensing apparatus 3 is by corrosive medium solution pool 301, form to fluid apertures 302, liquid injection hole 303, feeding rod aperture 304 and gas port 305; Corrosive medium solution pool 301 is set on the top of corrosive medium liquid dispensing apparatus 3, below described corrosive medium solution pool 301, feeding rod aperture 304 is set, described corrosive medium solution pool 301 with between feeding rod aperture 304 by being connected to fluid apertures 302; Arrange liquid injection hole 303 perpendicular to described feeding rod aperture 304, described liquid injection hole 303 is connected with feeding rod aperture 304 is through, and the top of described liquid injection hole 303 is connected with gas port 305, and the top of described gas port 305 is arranged on the top of corrosive medium liquid dispensing apparatus 3;
Described solution pool lid 1 is connected by screw thread with corrosive medium liquid dispensing apparatus 3 top; Described solution pool lid 1 arranges air hole 101, and the through solution pool lid 1 of described air hole 101, communicates with corrosive medium solution pool 301 and gas port 305 respectively;
Described constant volume feeding bar 2 communicates through feeding rod aperture 304, and described constant volume feeding bar 2 seals with feeding rod aperture 304 and is connected; Described constant volume feeding bar 2 arranges constant volume hole 201; Described constant volume feeding bar 2 can along the axial back and forth movement of feeding rod aperture 304, can match with giving fluid apertures 302 and liquid injection hole 303 respectively in described constant volume hole 201; Outside described corrosive medium liquid dispensing apparatus 3, one end of constant volume feeding bar 2 arranges limited cap 202, in order to fixing constant volume feeding bar 2;
Be connected by screw thread with corrosion test electrolytic cell 4 bottom described corrosive medium liquid dispensing apparatus 3, be connected with corrosion test electrolytic cell 4 is through bottom described liquid injection hole 303, corrosion mouth 401 is set bottom described corrosion test electrolytic cell 4;
Described corrosion test electrolytic cell 4 bottom arranges gasket seal 5, is connected, described gasket seal arranges through hole in order to seal with sample 6, and described through hole communicates with corrosion mouth 401.
The material of described solution pool lid 1 is anti-corrosion nylon material.
Described constant volume feeding bar 2, corrosive medium solution pool 301, to fluid apertures 302, liquid injection hole 303, feeding rod aperture 304, the material of gas port 305 is anticorrosive high molecular material.
The material of described corrosion test electrolytic cell 4 is corrosion resisting stainless steel material.
The material of described gasket seal 5 is the silastic material with insulating property of acid and alkali-resistance.
Embodiment 1
The electrolytic cell device of the corrosion-resistant potential measurement of a kind of constant volume feeding metal and overlay film thereof, can evaluate and test fast the anti-corrosion electric chemical parameters proving installation of metal material and surface coating and corrosion stability thereof, as shown in Figure 1, described device comprises solution pool lid 1, constant volume feeding bar 2, corrosive medium liquid dispensing apparatus 3, corrosion test electrolytic cell 4 and gasket seal 5.Described solution pool lid 1 is the circular configuration that anti-corrosion nylon material processes, and has a through air hole 101, as shown in Figure 1 near middle position.
Described constant volume feeding bar 2 is for having the cylindrical structural of the anticorrosive high molecular materials processing of sealing effectiveness, the axial location of this column structure is provided with a constant volume hole 201, this hole is crossing with cylinder, its size is just required fixed volume, the other end diameter of constant volume feeding bar 2 is thinner, outer surface cover limited cap 202, as shown in Figure 2, during installation, the limited cap 202 of constant volume feeding bar is pressed on the surface of corrosive medium liquid dispensing apparatus, corrosive medium is by flowing in constant volume hole 201 to fluid apertures 302, the counter motion of constant volume feeding bar 2 is pressed after solution is full, constant volume hole 201 and liquid injection hole 303 are to it, solution flow in corrosion test electrolytic cell 4, the measurement of electrochemical parameter can be carried out to specimen surface.
Described corrosive medium liquid dispensing apparatus 3 is cylindrical main frame structure, as Fig. 3, comprises corrosive medium solution pool 301, to fluid apertures 302, and liquid injection hole 303, feeding rod aperture 304, gas port 305.Corrosive medium solution pool 301, to fluid apertures 302, liquid injection hole 303, feeding rod aperture 304, gas port 305 is anticorrosive high molecular material, injects corrosive medium by opening solution pool lid 1, etchant solution is by flowing in constant volume hole 201 to fluid apertures 302, promote constant volume feeding bar 2, the solution in constant volume hole 201 is because of gas port 305 and external atmosphere pressure conducting, and etchant solution injects corrosion test electrolytic cell 4 by liquid injection hole 303.Sealed by gasket seal 5 between corrosion test electrolytic cell 4 and sample 6, prevent etchant solution therefrom seepage between corrosion test electrolytic cell 4 and sample 6, such etchant solution just can carry out local selective etching to sample.
Described corrosion test electrolytic cell 4 adopts corrosion resisting stainless steel to be made into round tube shape, as shown in Figure 4, stretch near the front end corrosion hole 401 of corrosion test electrolytic cell 4 with ear washing bulb when changing solution, then siphonic effect is utilized to be siphoned away by corrosion waste liquid, with the wash bottle washed samples surface repeatedly that deionized water is housed, after choosing new position, test can be re-started.
Described corrosion test electrolytic cell 4 and sample 6 are connected the electrode of measurement mechanism respectively, the whole device loaded are put into constant temperature oven simultaneously and keep stationary temperature, then just can carry out electro-chemical test.
The gasket seal 5 of described corrosion test electrolytic cell 4 adopts the silicon rubber material with insulating property of acid and alkali-resistance, in order to prevent rubber aging under long-term acid-base solution.Apply above-mentioned constant volume as follows to the test method of corrosion electrolytic cell device:
1) sample 6 is processed into sheet, removing surface is clean, can not destroy metal surface and overlay film thereof, with alcohol wipe surface, dries up rear stand-by;
2) choose testing position on sample 6 surface, gasket seal 5 is placed in the testing position chosen, the corrosion hole 401 of corrosion test electrolytic cell 4 is aimed at the through hole of gasket seal 5, fix device, make it seal under pressure;
3) according to different metallographictest materials and overlay film character selective etching medium, corrosive medium is joined in corrosive medium liquid dispensing apparatus 3, in corrosive medium solution pool 301, add etchant solution according to set testing standard;
4) mobile constant volume feeding bar 2, make etchant solution pass through to flow into constant volume hole 201 to fluid apertures 302, the etchant solution in constant volume hole 201 flows in corrosion test electrolytic cell 4 by liquid injection hole 303 after gas port 305 conducting;
5) in corrosion test electrolytic cell 4, introduce electrode, connect electrochemical testing device simultaneously, measure the situation of change of the electrochemical parameter of sample 6 in different corrosive medium, pH value, temperature and etching time, collect process experimental data.
Described etchant solution is acidic corrosion solution or alkaline corrosion solution; It is formulated that described etchant solution all adopts deionized water to dilute, the etchant solution different according to the different choice of test material and concerned countries standard; Measure once its pH value when joining etchant solution, the replacement frequency of etchant solution is 1-2 days 1 time.
Claims (8)
1. constant volume is to a corrosion electrolytic cell test unit, it is characterized in that: described device is made up of solution pool lid (1), constant volume feeding bar (2), corrosive medium liquid dispensing apparatus (3), corrosion test electrolytic cell (4) and gasket seal (5);
Wherein said corrosive medium liquid dispensing apparatus (3) is by corrosive medium solution pool (301), form to fluid apertures (302), liquid injection hole (303), feeding rod aperture (304) and gas port (305); On the top of corrosive medium liquid dispensing apparatus (3), corrosive medium solution pool (301) is set, described corrosive medium solution pool (301) below arranges feeding rod aperture (304), described corrosive medium solution pool (301) with pass through between feeding rod aperture (304) to be connected to fluid apertures (302); Perpendicular to described feeding rod aperture (304), liquid injection hole (303) is set, described liquid injection hole (303) is connected with feeding rod aperture (304) is through, the top of described liquid injection hole (303) is connected with gas port (305), and the top of described gas port (305) is arranged on the top of corrosive medium liquid dispensing apparatus (3);
Described solution pool lid (1) is connected by screw thread with corrosive medium liquid dispensing apparatus (3) top; Described solution pool lid (1) arranges air hole (101), and the through solution pool lid (1) of described air hole (101), communicates with corrosive medium solution pool (301) and gas port (305) respectively;
Described constant volume feeding bar (2) communicates through feeding rod aperture (304), and described constant volume feeding bar (2) seals with feeding rod aperture (304) and is connected; Described constant volume feeding bar (2) arranges constant volume hole (201); Described constant volume feeding bar (2) can along feeding rod aperture (304) axial back and forth movement, and described constant volume hole (201) can be matched with giving fluid apertures (302) and liquid injection hole (303) respectively; In described corrosive medium liquid dispensing apparatus (3) outside, one end of constant volume feeding bar (2) is arranged limited cap (202), in order to fixing constant volume feeding bar (2);
Described corrosive medium liquid dispensing apparatus (3) bottom is connected by screw thread with corrosion test electrolytic cell (4), described liquid injection hole (303) bottom is connected with corrosion test electrolytic cell (4) is through, arranges corrosion mouth (401) in described corrosion test electrolytic cell (4) bottom;
Described corrosion test electrolytic cell (4) bottom arranges gasket seal (5), is connected, described gasket seal arranges through hole in order to seal with sample (6), and described through hole communicates with corrosion mouth (401).
2. a kind of constant volume according to claim 1 is to corrosion electrolytic cell test unit, it is characterized in that: the material of described solution pool lid (1) is anti-corrosion nylon material.
3. a kind of constant volume according to claim 1 is to corrosion electrolytic cell test unit, it is characterized in that: described constant volume feeding bar (2), corrosive medium solution pool (301), to fluid apertures (302), liquid injection hole (303), feeding rod aperture (304), the material of gas port (305) is anticorrosive high molecular material.
4. a kind of constant volume according to claim 1 is to corrosion electrolytic cell test unit, it is characterized in that: the material of described corrosion test electrolytic cell (4) is corrosion resisting stainless steel material.
5. a kind of constant volume according to claim 1 is to corrosion electrolytic cell test unit, it is characterized in that: the material of described gasket seal (5) is the silastic material with insulating property of acid and alkali-resistance.
6. a kind of constant volume as claimed in claim 1 is to the test method of corrosion electrolytic cell test unit, and it is characterized in that, concrete scheme is as follows:
The metal material processed and overlay film sample (6) thereof are placed on immediately below described device, choose corrosion area, test unit is made to be pressed on the surface of sample (6), by mobile constant volume feeding bar (2), etchant solution in corrosive medium solution pool (301) is injected in corrosion test electrolytic cell (4), reach the object of the loading to sample (6) constant volume corrosive medium, then corrosion electrochemistry parameter measurement is carried out to it.
7. a kind of constant volume according to claim 6 is to the test method of corrosion electrolytic cell test unit, and it is characterized in that, concrete steps are as follows:
1) sample (6) is processed into sheet, removing surface is clean, can not destroy metal surface and overlay film thereof, with alcohol wipe surface, dries up rear stand-by;
2) testing position is chosen on sample (6) surface, gasket seal (5) is placed in the testing position chosen, the corrosion hole (401) of corrosion test electrolytic cell (4) is aimed at the through hole of gasket seal (5), fix device, make it seal under pressure;
3) according to different metallographictest materials and overlay film character selective etching medium, corrosive medium is joined in corrosive medium liquid dispensing apparatus (3), in corrosive medium solution pool (301), add etchant solution according to set testing standard;
4) mobile constant volume feeding bar (2), make etchant solution pass through to flow into constant volume hole (201) to fluid apertures (302), the etchant solution in constant volume hole (201) flows in corrosion test electrolytic cell (4) by liquid injection hole (303) after gas port (305) conducting;
5) in corrosion test electrolytic cell (4), introduce electrode, connect electrochemical testing device simultaneously, measure the situation of change of sample (6) electrochemical parameter in different corrosive medium, pH value, temperature and etching time, collect process experimental data.
8. a kind of constant volume according to claim 7 is to the test method of corrosion electrolytic cell test unit, it is characterized in that: described etchant solution is acidic corrosion solution or alkaline corrosion solution; It is formulated that described etchant solution all adopts deionized water to dilute, the etchant solution different according to the different choice of test material and concerned countries standard; Measure once its pH value when joining etchant solution, the replacement frequency of etchant solution is 1-2 days 1 time.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107228820A (en) * | 2017-06-14 | 2017-10-03 | 华电电力科学研究院 | Simulation test device and method of a kind of oxide skin dissolution to parent metal material |
| CN111693452A (en) * | 2020-06-19 | 2020-09-22 | 广西电网有限责任公司电力科学研究院 | Alternating current impedance testing method and device for evaluating corrosion resistance of hot-dip coating of steel member |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4527717A (en) * | 1981-10-15 | 1985-07-09 | Tokyo Shibaura Denki Kabushiki Kaisha | Apparatus for quantitatively supplying liquid |
| CN86200994U (en) * | 1986-02-13 | 1987-04-29 | 长沙有色金属专科学校 | Fixed quantity liquid supplier, time pulse controlled with step-switch |
| CN2061636U (en) * | 1989-10-18 | 1990-09-05 | 粟莉莉 | Flow-controllable self-closing water valve |
| CN2187243Y (en) * | 1993-10-08 | 1995-01-11 | 湛江东源新能源公司 | Rotary constant-weight liquid supply valve |
| US6181760B1 (en) * | 1999-07-20 | 2001-01-30 | General Electric Company | Electrochemical corrosion potential sensor with increased lifetime |
| CN103278441A (en) * | 2013-05-16 | 2013-09-04 | 哈尔滨电机厂有限责任公司 | Electrochemical testing device and method for metal material in flowable corrosive medium |
-
2013
- 2013-12-26 CN CN201310733137.3A patent/CN104749092B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4527717A (en) * | 1981-10-15 | 1985-07-09 | Tokyo Shibaura Denki Kabushiki Kaisha | Apparatus for quantitatively supplying liquid |
| CN86200994U (en) * | 1986-02-13 | 1987-04-29 | 长沙有色金属专科学校 | Fixed quantity liquid supplier, time pulse controlled with step-switch |
| CN2061636U (en) * | 1989-10-18 | 1990-09-05 | 粟莉莉 | Flow-controllable self-closing water valve |
| CN2187243Y (en) * | 1993-10-08 | 1995-01-11 | 湛江东源新能源公司 | Rotary constant-weight liquid supply valve |
| US6181760B1 (en) * | 1999-07-20 | 2001-01-30 | General Electric Company | Electrochemical corrosion potential sensor with increased lifetime |
| CN103278441A (en) * | 2013-05-16 | 2013-09-04 | 哈尔滨电机厂有限责任公司 | Electrochemical testing device and method for metal material in flowable corrosive medium |
Non-Patent Citations (2)
| Title |
|---|
| PAUL SCHERRER INSTITUT ET AL.: "Principles and applications of electrochemical capacitors", 《ELECTROCHIMICA ACTA》 * |
| 中国科学技术协会: "《2011-2012材料腐蚀学科学发展报告》", 30 April 2012, 中国科学技术出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107228820A (en) * | 2017-06-14 | 2017-10-03 | 华电电力科学研究院 | Simulation test device and method of a kind of oxide skin dissolution to parent metal material |
| CN111693452A (en) * | 2020-06-19 | 2020-09-22 | 广西电网有限责任公司电力科学研究院 | Alternating current impedance testing method and device for evaluating corrosion resistance of hot-dip coating of steel member |
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