CN110726719A - Device and method for detecting content of chloride ions in anodic formed foil electrolyte - Google Patents
Device and method for detecting content of chloride ions in anodic formed foil electrolyte Download PDFInfo
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- CN110726719A CN110726719A CN201910987858.4A CN201910987858A CN110726719A CN 110726719 A CN110726719 A CN 110726719A CN 201910987858 A CN201910987858 A CN 201910987858A CN 110726719 A CN110726719 A CN 110726719A
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/82—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a precipitate or turbidity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
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Abstract
The invention provides a device and a method for detecting chloride ions in an anodized foil forming electrolyte, wherein the device consists of a box body and a box seat, the box body is fixed on the box seat at a certain angle, the observation is not needed to be performed by lowering the head or squatting down, a lamp tube and a test tube rack are arranged in the box body, the inner wall of the box body is blackened, the detection of the chloride ions by using the illumination of the lamp tube has a better observation color identification effect, and the test tube rack is provided with a semicircular opening, so that a test tube can be conveniently placed into the test tube to play a role. The invention has the advantages of simple structure, high design rationality, low use cost and simple and convenient operation, can be widely applied to detecting the concentration of chloride ions in solution, can be observed at a comfortable position during detection, and improves the working efficiency.
Description
Technical Field
The invention belongs to the technical field of chemical substance content detection, and particularly relates to a device and a method for detecting the chloride ion content of an anodized foil forming electrolyte.
Background
In the production of an anodized formed foil for an aluminum electrolytic capacitor, the presence of chloride ions corrodes the anode and therefore must be removed, and the chloride ion content of the formed electrolyte is generally controlled to 0.33ppm or less. In order to ensure that the content of chloride ions in the formed electrolyte is within a control range, the content of chloride ions in the electrolyte needs to be regularly detected. At present, the chloride ion content in the electrolyte is detected by adopting a precipitation colorimetric method, but the test tube needs to be repeatedly taken out for comparison in the detection process, so that the labor capacity is increased, and meanwhile, the test tube can be dropped, and unnecessary economic loss is caused.
Disclosure of Invention
Aiming at the defects of large labor capacity, inconvenient operation and the like of the existing chloride ion content detection, the invention provides a device and a method for detecting the chloride ion content of an anodic formed foil electrolyte.
The invention is realized by the following technical scheme:
a device for detecting the content of chloride ions in an anodized formed foil electrolyte comprises a box body and a box base;
the box body is fixed on the box seat at an angle of 20-40 degrees;
the box cover at the upper part of the box body is fixed on the box body through a hinge; a handle is arranged on one side of the box cover, which is far away from the hinge; one side of the box cover close to the hinge is provided with at least 2 test tube openings;
a viewing port is arranged on one side surface of the box body which is warped upwards;
the inner wall of the box body far away from the observation port is also provided with a lamp tube, the inner wall of the box bottom near the observation port is provided with a test tube rack, and the test tube rack is provided with at least 2 semicircular placing grooves;
one side of the box seat is also provided with a wire port, and the other side of the box seat is provided with a switch.
The observation port of the box body of the device is inclined upwards, so that the observation of the test tube is facilitated, and the observation is not required to be performed by lowering the head or squatting; set up a plurality of test tube mouths and test-tube rack, make contrast test tube and examination test tube can place simultaneously in the box, and the rethread fluorescent lamp shines and carries out the turbidity and compare, has reduced to take out the test tube repeatedly and has observed the inconvenience that brings.
As a further improvement of the invention, the inner wall of the box body is completely painted black.
The inner wall of the box body is coated into black, so that the interference of other chromaticities can be reduced, and the color observation identification degree of the fluorescent lamp for detecting the chloride ions is improved.
As a further improvement of the invention, the placing groove corresponds to the position of the test tube opening.
The standing groove should be able to make the test tube be on a parallel with the viewing aperture with test tube mouth position relatively, be favorable to the better observation of staff.
The invention also provides a detection method of the device for detecting the content of chloride ions in the anodized foil-forming electrolyte, which comprises the following steps:
s1: preparing a chloride ion standard solution: firstly, drying high-grade pure sodium chloride at a high temperature of 500-600 ℃ for 30min to reach the cross weight, then weighing sodium chloride after drying with different qualities, dissolving the sodium chloride into 200mL of water, fixing the volume to 1000mL, shaking uniformly, finally putting the solution with the fixed volume on a test tube rack of a detection device, starting a switch of a lamp tube, observing the color of the solution when the solution is irradiated by the lamp tube from an observation port of a lamp box, wherein the chlorine ion standard solution with different concentrations is obtained when no blue light exists;
s2: measuring chloride ion standard solution with volume of V1 and different concentrations, putting the standard solution into different test tubes, and marking the corresponding concentrations;
s4: preparing a solution to be tested: adding a strong acid solution containing chloride ions with the volume of V1 into the other test tube, and marking to obtain a solution to be detected;
s5: placing test tubes containing chloride ion standard solutions with different concentrations and test tubes containing solutions to be detected on a test tube rack of a detection device, respectively adding silver nitrate solution with the volume of V2 into each test tube, and shaking up to enable the solution in the test tubes to be turbid;
s6: and opening a lamp tube switch of the detection device to enable the lamp tube to irradiate all the test tubes, and then comparing the turbidity of the test tube of the solution to be detected with the turbidity of the test tubes of other chloride ion standard solution, wherein the chloride ion concentration of the chloride ion standard solution test tube with the turbidity close to that is the chloride ion concentration of the solution to be detected.
The calculation formula of the content of the chloride ions in the solution to be detected is as follows:
as a further improvement of the detection method for the content of chloride ions in the anodic foil forming electrolyte, the volume V2 of the silver nitrate is greater than the volume V1 of the standard solution and the solution to be detected of the chloride ions.
The volume V2 of the added silver nitrate is larger than the volume V1 of the chloride ion standard solution and the solution to be detected, so that the chloride ions can be completely precipitated to produce the silver chloride, and the accuracy of colorimetric comparison is improved.
The invention has the beneficial effects that:
the device for detecting the content of the chloride ions in the anodized foil electrolyte has the advantages of reasonable structural design, easy operation, convenient observation, good light condensation and high safety performance, and can be widely applied to the detection of the content of the chloride ions in the anodized foil electrolyte for aluminum electrolytic capacitors. The energy-saving environment-friendly energy-saving device has the advantages of low manufacturing cost, convenience in use, energy conservation and environmental protection, and the working efficiency is improved.
Drawings
FIG. 1 is a sectional view of the device for detecting the chloride ion content of the anodized foil-forming electrolyte according to the present invention.
Fig. 2 is an S-direction view of fig. 1 of the present invention.
Reference numerals: the test tube test device comprises a test tube base, a box body, a handle, a test tube opening, a hinge, a viewing opening, a test tube rack, a switch, a placing groove and a test tube, wherein the test tube base is arranged at the position of 1 part of the test tube base, the box body is arranged at the position of 3 parts of the test tube base.
Detailed Description
The invention will be further explained with reference to the drawings.
Example 1
The device for detecting the content of chloride ions in the anodized foil-forming electrolyte as shown in figure 1 mainly comprises a box body 4 and a box base 2;
the box body 4 is fixed on the box base 2 at an angle of 20-40 degrees; the inner wall of the box body 4 is completely painted into black;
the box cover 13 at the upper part of the box body 4 is fixed on the box body 4 through a hinge 7; a handle 5 is arranged on one side of the box cover 13 far away from the hinge 7; one side of the box cover 13 close to the hinge 7 is provided with 9 test tube ports 6;
a viewing port 8 is arranged on one side surface of the box body 4 which is warped upwards;
the inner wall of the box body 4 far away from the observation port 8 is also provided with a lamp tube 3, the inner wall of the box bottom near the observation port 8 is provided with a test tube rack 9, and the test tube rack 9 is provided with 9 semicircular placing grooves 11; the placing groove 11 corresponds to the position of the test tube port 6; as shown in fig. 2;
and a wire port 1 is also arranged on one side of the box seat 2, and a switch 10 is arranged on the other side.
The detection method of the device for detecting the content of chloride ions in the anodized foil-forming electrolyte comprises the following steps:
s1: preparing a chloride ion standard solution: firstly, drying high-grade pure sodium chloride at a high temperature of 500-600 ℃ for 30min to reach the cross weight, then weighing 8 parts of sodium chloride with different qualities after drying, dissolving the sodium chloride into 200mL of water, fixing the volume to 1000mL, shaking uniformly, finally putting the solution with the fixed volume on a test tube rack 9 of a detection device, starting a switch 10 of a lamp tube 3, observing the color of the solution when the solution is irradiated by the lamp tube 3 from an observation port 8 of a lamp box without blue light, and obtaining 8 parts of chloride ion standard solutions with different concentrations;
s2: measuring 8 parts of chloride ion standard solution with different concentrations and volume of V1, putting the chloride ion standard solution into different test tubes 12, and marking the corresponding concentrations;
s4: preparing a solution to be tested: adding a strong acid solution containing chloride ions with the volume of V1 into the other test tube 12, and marking to obtain a solution to be detected;
s5: putting 8 parts of test tubes containing chloride ion standard solutions with different concentrations and 1 part of test tube containing a solution to be detected on a test tube rack 9 of a detection device, respectively adding a silver nitrate solution with the volume of V2 into each test tube, and shaking up to enable the solution in the test tubes to be turbid; the volume V2 of the silver nitrate is larger than the volume V1 of the chloride ion standard solution and the solution to be detected;
s6: and opening a lamp tube 3 switch 10 of the detection device to enable the lamp tube 3 to irradiate all the test tubes, and then comparing the turbidity of the test tube of the solution to be detected with the turbidity of the test tubes of other chloride ion standard solution, wherein the chloride ion concentration of the chloride ion standard solution test tube with the turbidity close to that is the chloride ion concentration of the solution to be detected.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made thereto by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should be considered as falling within the scope of the present invention.
Claims (5)
1. The utility model provides an anodic formation of foil electrolyte chloride ion content detection device which characterized in that: comprises a box body (4) and a box seat (2);
the box body (4) is fixed on the box base (2) at an angle of 20-40 degrees;
the box cover (13) at the upper part of the box body (4) is fixed on the box body (4) through a hinge (7); a handle (5) is arranged on one side of the box cover (13) far away from the hinge (7); one side of the box cover (13) close to the hinge (7) is provided with at least 2 test tube ports (6);
an observation port (8) is arranged on one side surface of the box body (4) which is warped upwards;
the inner wall of the box body (4) far away from the observation port (8) is also provided with a lamp tube (3), the inner wall of the box bottom close to the observation port (8) is provided with a test tube rack (9), and the test tube rack (9) is provided with at least 2 semicircular placing grooves (11);
one side of the box seat (2) is also provided with a wire port (1), and the other side is provided with a switch (10).
2. The device for detecting the chloride ion content of an anodized foil-forming electrolyte as claimed in claim 1, wherein: the inner wall of the box body (4) is completely painted black.
3. The device for detecting the chloride ion content of an anodized formed foil electrolyte according to claim 1 or 2, wherein: the placing groove (11) corresponds to the test tube port (6).
4. The method for detecting the chloride ion content in the anodized foil-forming electrolyte as claimed in any one of claims 1 to 3, wherein: the method comprises the following steps:
s1: preparing a chloride ion standard solution: firstly, drying high-grade pure sodium chloride at a high temperature of 500-600 ℃ for 30min to reach the cross weight, then weighing sodium chloride after drying with different qualities, dissolving the sodium chloride into 200mL of water, fixing the volume to 1000mL, shaking uniformly, finally putting the solution with the fixed volume on a test tube rack (9) of a detection device, starting a switch (10) of a lamp tube (3), observing the color of the solution when the solution is irradiated by the lamp tube (3) from an observation port (8) of a lamp box, wherein the chlorine ion standard solution with different concentrations is obtained when no blue light exists;
s2: measuring chloride ion standard liquid with different concentrations and volume of V1, putting the chloride ion standard liquid into different test tubes (12), and marking the corresponding concentrations;
s4: preparing a solution to be tested: adding a strong acid solution containing chloride ions with the volume of V1 into the other test tube (12), and marking to obtain a solution to be detected;
s5: placing test tubes containing chloride ion standard solutions with different concentrations and test tubes containing solutions to be detected on a test tube rack (9) of a detection device, respectively adding silver nitrate solution with the volume of V2 into each test tube, and shaking uniformly to enable the solution in the test tubes to be turbid;
s6: and opening a lamp tube (3) switch (10) of the detection device to enable the lamp tube (3) to irradiate all the test tubes, and then comparing the turbidity of the test tube of the solution to be detected with the turbidity of the test tubes of other chloride ion standard solution, wherein the chloride ion concentration of the chloride ion standard solution test tube with the turbidity close to that is the chloride ion concentration of the solution to be detected.
5. The method for detecting the chloride ion content of the anodized foil-forming electrolyte as claimed in claim 4, wherein: the volume V2 of the silver nitrate is larger than the volume V1 of the chloride ion standard solution and the solution to be detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910987858.4A CN110726719A (en) | 2019-10-17 | 2019-10-17 | Device and method for detecting content of chloride ions in anodic formed foil electrolyte |
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| CN201910987858.4A CN110726719A (en) | 2019-10-17 | 2019-10-17 | Device and method for detecting content of chloride ions in anodic formed foil electrolyte |
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| CN201910987858.4A Pending CN110726719A (en) | 2019-10-17 | 2019-10-17 | Device and method for detecting content of chloride ions in anodic formed foil electrolyte |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112304903A (en) * | 2020-10-16 | 2021-02-02 | 新疆众和股份有限公司 | Method for detecting concentration of chloride ions in turbid formed liquid |
| CN113671104A (en) * | 2021-08-17 | 2021-11-19 | 吴江飞乐天和电子材料有限公司 | Detection equipment and detection method for content of trace chloride ions on surface of electrode foil |
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| CN112304903A (en) * | 2020-10-16 | 2021-02-02 | 新疆众和股份有限公司 | Method for detecting concentration of chloride ions in turbid formed liquid |
| CN113671104A (en) * | 2021-08-17 | 2021-11-19 | 吴江飞乐天和电子材料有限公司 | Detection equipment and detection method for content of trace chloride ions on surface of electrode foil |
| CN113671104B (en) * | 2021-08-17 | 2022-06-03 | 吴江飞乐天和电子材料有限公司 | Detection equipment and detection method for content of trace chloride ions on surface of electrode foil |
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Application publication date: 20200124 |