CN213398306U - Gold electrode slice - Google Patents
Gold electrode slice Download PDFInfo
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- CN213398306U CN213398306U CN202022247196.8U CN202022247196U CN213398306U CN 213398306 U CN213398306 U CN 213398306U CN 202022247196 U CN202022247196 U CN 202022247196U CN 213398306 U CN213398306 U CN 213398306U
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Abstract
The utility model relates to an electrode slice technical field discloses a gold electrode piece, including the base plate, the working electrode region who defines interval distribution on the base plate, counter electrode region and reference electrode region, the same end of working electrode region, counter electrode region and reference electrode region is the electrically conductive end, and the other end is the working end, and the working end is used for placing and waits to detect the sample, and the working electrode region is equipped with first nanometer gold layer, and the counter electrode region is equipped with second nanometer gold layer, and the reference electrode region is equipped with third nanometer gold layer. The utility model discloses a gold electrode piece, because the working electrode region is equipped with first nanometer gold layer, is equipped with second nanometer gold layer, reference electrode region and is equipped with third nanometer gold layer to the electrode region for this gold electrode piece can detect out accurately and wait to detect the concentration of the mercury ion in the sample, arsenic ion, positive hexavalent chromium ion, selenium ion, has better sensitivity, responsiveness and stability, has improved user's use satisfaction.
Description
Technical Field
The utility model relates to an electrode slice technical field especially relates to a gold electrode slice.
Background
In the prior art, a carbon electrode plate is often used when the components and the concentration of heavy metal ions in a sample to be detected are detected, and when the existing carbon electrode plate detects the sample to be detected, if the sample to be detected contains mercury ions, arsenic ions, positive hexavalent chromium ions, selenium ions and the like, the detection effect of the carbon electrode plate is poor, so that the detection accuracy is poor.
SUMMERY OF THE UTILITY MODEL
Based on above, an object of the utility model is to provide a gold electrode slice can the accurate detection go out and detect mercury ion, arsenic ion, positive hexavalent chromium ion and selenium ion in waiting to detect the sample, has improved user's use satisfaction.
In order to achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a gold electrode slice, includes the base plate, the working electrode region, counter electrode region and the reference electrode region of interval distribution are injectd to the base plate, the working electrode region the counter electrode region reaches the regional same end of reference electrode is the conducting terminal, and the other end is the working terminal, the working terminal is used for placing the sample that awaits measuring, the working electrode region is equipped with first nanometer gold layer, the counter electrode region is equipped with second nanometer gold layer, the reference electrode region is equipped with third nanometer gold layer.
As a preferred scheme of the gold electrode plate, the gold electrode plate further comprises an insulating layer, the same end of the working electrode area, the same end of the counter electrode area and the same end of the reference electrode area extend out of the insulating layer to form the conductive end, and the other end of the working electrode area extends out of the insulating layer to form the working end.
As a preferred scheme of the gold electrode plate, a cofferdam film layer is further arranged on the substrate and is bonded on the insulating layer.
As a preferred scheme of the gold electrode plate, the cofferdam film layer is a high-temperature-resistant polyester film layer.
As a preferable scheme of the gold electrode plate, the thickness of the first nano gold layer is 40nm-60 nm.
As a preferable scheme of the gold electrode plate, the thickness of the second nano gold layer is 40nm-60 nm.
As a preferable scheme of the gold electrode plate, the thickness of the third nano gold layer is 40nm-60 nm.
As a preferable mode of the gold electrode plate, the working end of the working electrode region is circular, and the working end of the counter electrode region is arranged along the periphery of the working end of the working electrode region.
As a preferable aspect of the gold electrode sheet, a width of the conductive end of the counter electrode region is larger than a width of the working end of the counter electrode region.
As a preferable aspect of the gold electrode sheet, a width of the conductive end of the reference electrode region is larger than a width of the working end of the reference electrode region.
The utility model has the advantages that: the utility model discloses a gold electrode piece can turn into the signal of telecommunication with chemical signal, because the working electrode region is equipped with first nanometer gold layer, be equipped with second nanometer gold layer to the electrode region, the reference electrode region is equipped with third nanometer gold layer, make this gold electrode piece not only can detect out the mercury ion that waits to detect in the sample accurately, arsenic ion, the concentration of positive hexavalent chromium ion and selenium ion, can also improve the detection precision of the concentration of other ions that contain in waiting to detect the sample, better sensitivity has, responsiveness and stability, user's use satisfaction has been improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic view of a gold electrode plate according to an embodiment of the present invention.
In the figure:
1. a substrate; 2. a first nano gold layer; 3. a second nano gold layer; 4. a third nano-gold layer; 5. an insulating layer.
Detailed Description
In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, the embodiment provides a gold electrode plate, which includes a substrate 1, a working electrode region, a counter electrode region and a reference electrode region are defined on the substrate 1, the same end of the working electrode region, the same end of the counter electrode region and the same end of the reference electrode region are conductive ends, the other end of the working electrode region is a working end, the working end is used for placing a sample to be detected, the working electrode region is provided with a first nano gold layer 2, the counter electrode region is provided with a second nano gold layer 3, and the reference electrode region is provided with a third nano gold layer 4.
It should be noted that, in the present embodiment, the first nano-gold layer 2 is sprayed on the working electrode area by using a vacuum sputtering process, the second nano-gold layer 3 is sprayed on the counter electrode area by using a vacuum sputtering process, and the third nano-gold layer 4 is sprayed on the reference electrode area by using a vacuum sputtering process. The first nano gold layer 2, the second nano gold layer 3 and the third nano gold layer 4 are all formed by vacuum sputtering and drying of nano gold with the purity of 95%.
The gold electrode slice provided by the embodiment can convert chemical signals into electrical signals, and the working electrode area is provided with the first nano gold layer 2, the counter electrode area is provided with the second nano gold layer 3, and the reference electrode area is provided with the third nano gold layer 4, so that the gold electrode slice not only can accurately detect the concentrations of mercury ions, arsenic ions, hexavalent chromium ions and selenium ions in a sample to be detected, but also can improve the detection precision of the concentrations of other ions contained in the sample to be detected, and the gold electrode slice has better sensitivity, responsiveness and stability, and improves the using satisfaction of users.
The gold electrode plate of this embodiment further includes an insulating layer 5, the same end of the working electrode region, the counter electrode region and the reference electrode region extends out of the insulating layer 5 to form a conductive end, the other end extends out of the insulating layer 5 to form a working end, and the insulating layer 5 is located above the first nano-gold layer 2, the second nano-gold layer 3 and the third nano-gold layer 4. The insulating layer 5 of this embodiment is a layer of green oil. The substrate 1 of this embodiment further has a dam layer (not shown) adhered to the insulating layer 5. The cofferdam film layer is a high-temperature-resistant polyester film layer, and the amount of the sample to be detected can be further reduced by the additionally arranged cofferdam film layer. Certainly, in other embodiments of the present invention, the cofferdam film layer is not limited to the high temperature resistant polyester film layer defined in this embodiment, and may also be a polyvinyl chloride film layer or a film layer made of other materials and having a waterproof function, specifically selected according to actual needs.
Specifically, if do not include the cofferdam rete in the gold electrode piece, when examining the sample to be detected of minim, the effect deviation that the test obtained is great, through many times of measurement, the stability of test is also relatively poor, so can not be used for accurate survey heavy metal ion's content, in addition, when examining the sample to be detected of non-minim, though little to the influence of testing result, it is not too convenient to the processing of the sample to be detected to wait for the increase of sample, also brings certain puzzlement for on-the-spot short-term test.
The thickness of the first nano-gold layer 2 of the present embodiment is 40nm to 60nm, for example, 40nm, 45nm, 50nm, 55nm, 60nm, and the like. The thickness of the second nano-gold layer 3 is 40nm-60nm, such as 40nm, 45nm, 50nm, 55nm, 60nm, etc. The thickness of the third nano-gold layer 4 is 40nm-60nm, such as 40nm, 45nm, 50nm, 55nm, 60nm, etc. The thickness homogeneous phase of the first nanometer gold layer 2, the second nanometer gold layer 3 and the third nanometer gold layer 4 of this embodiment is the same, certainly in the utility model discloses an in other embodiments, the thickness of first nanometer gold layer 2, the second nanometer gold layer 3 and the third nanometer gold layer 4 can also be different each other, specifically can set up according to actual need.
As shown in fig. 1, the working end of the working electrode region is circular in shape, and the diameter of the circle of the working end of the working electrode region is greater than the width of the conductive end of the working electrode region, and the working end of the counter electrode region is disposed along the outer circumference of the working end of the working electrode region. As shown in fig. 1, the width of the conductive end of the counter electrode region is greater than the width of the working end of the counter electrode region, the width of the conductive end of the reference electrode region is greater than the width of the working end of the reference electrode region, and the widths of the conductive end of the counter electrode region and the conductive end of the reference electrode region are greater, so that the gold electrode can be in good contact with a detection instrument when being inserted into the detection instrument, the electric signal of the gold electrode can be stably transmitted to the detection instrument, and the stability of data transmission can be ensured.
The substrate 1 of the present embodiment is a cardboard, and the thickness of the cardboard is about 0.5 mm. After the gold electrode is used for detecting the sample to be detected, the residual sample to be detected at the working end can influence the ion composition and the ion concentration of the next sample to be detected, so that the gold electrode plate is a disposable gold electrode plate, the substrate 1 is a paperboard, the processing cost of the gold electrode plate can be reduced, and the cost for detecting the sample to be detected is reduced.
In other embodiments, a fourth nanogold layer is further sprayed on the substrate 1 in addition to the working electrode area, the counter electrode area and the reference electrode area, and the fourth nanogold layer is respectively arranged at intervals with the first nanogold layer 2, the second nanogold layer 3 and the third nanogold layer 4. The thickness of the fourth nano gold layer is 40nm-60nm, such as 40nm, 45nm, 50nm, 55nm, 60nm and the like.
The gold electrode slice of this embodiment can detect the heavy metal ion in waiting to detect the sample, it is food or environment to wait to detect the sample, the heavy metal ion is lead ion, cadmium ion, copper ion, mercury ion, arsenic ion, positive hexavalent chromium ion, selenium ion etc., it is high and accurate to detect the precision, during the detection, only need less waiting to detect the sample and can accomplish the detection, it is less to wait to detect the quantity of sample, under the prerequisite of guaranteeing higher sensitivity and accuracy, need the minim wait to detect the sample can, it approximately needs 150 mu L's sample to wait to detect at every turn, and the stability through many times test data is good.
Specifically, when the gold electrode plate of the embodiment is used for detecting a sample to be detected, the specific operation steps are as follows:
grinding a solid sample to be detected, carrying out acid treatment and centrifuging to obtain a supernatant, wherein the acid subjected to acid treatment is any one or a combination of at least two of sulfuric acid, hydrochloric acid, perchloric acid and nitric acid, the concentration of the acid in the acid treatment is 0.5-5 mol/L, and the centrifuging time is 2-5 min;
regulating the pH of the supernatant obtained in the step one to 3-5 by using a sodium hydroxide solution, and then fixing the volume by using a buffer solution to obtain a liquid sample to be detected after pretreatment, wherein the buffer solution is a phosphate buffer solution and/or an acetate buffer solution;
dropping a liquid sample to be detected on a gold electrode plate inserted on a detection instrument;
and step four, detecting the liquid sample to be detected by a detection instrument.
In the first step, when the solid sample to be detected is pretreated, grinding is sometimes not needed, the solid sample to be detected is directly carbonized to form solid powder, and then the carbonized solid powder is subjected to acid treatment and centrifugation, and the specific steps are selected according to actual needs.
Specifically, the solid-state sample to be detected of this embodiment may be food such as rice, vegetables, fish, shrimp, and also may be other solid-state sample to be detected, liquid-state sample to be detected, or gaseous-state sample to be detected, and the gold electrode sheet and the detection instrument cooperate to be able to detect the content of heavy metal ions in the sample to be detected.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. The gold electrode slice is characterized by comprising a substrate (1), a working electrode area, a counter electrode area and a reference electrode area which are distributed at intervals are defined on the substrate (1), the working electrode area, the counter electrode area and the reference electrode area are conductive ends, the other end of the working electrode area is a working end, the working end is used for placing a sample to be detected, a first nano gold layer (2) is arranged in the working electrode area, a second nano gold layer (3) is arranged in the counter electrode area, and a third nano gold layer (4) is arranged in the reference electrode area.
2. The gold electrode sheet according to claim 1, further comprising an insulating layer (5), wherein the same end of the working electrode region, the counter electrode region and the reference electrode region extends out of the insulating layer (5) to form the conductive end, and the other end extends out of the insulating layer (5) to form the working end.
3. The aurora sheet according to claim 2, characterized in that a cofferdam film layer is further arranged on the substrate (1), and the cofferdam film layer is adhered on the insulating layer (5).
4. The gold electrode sheet of claim 3, wherein the cofferdam film layer is a high temperature resistant polyester film layer.
5. Gold electrode pad according to claim 1, characterized in that the thickness of the first nano-gold layer (2) is 40-60 nm.
6. Gold electrode pad according to claim 1, characterized in that the thickness of the second nano-gold layer (3) is 40-60 nm.
7. Gold electrode pad according to claim 1, characterized in that the thickness of the third nano-gold layer (4) is 40-60 nm.
8. The gold electrode sheet of claim 1, wherein the working end of the working electrode region is circular in shape and the working end of the counter electrode region is disposed along the outer periphery of the working end of the working electrode region.
9. The gold electrode sheet of claim 1, wherein the width of the conductive end of the counter electrode region is greater than the width of the working end of the counter electrode region.
10. The gold electrode sheet of claim 1, wherein the width of the conductive end of the reference electrode region is greater than the width of the working end of the reference electrode region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022247196.8U CN213398306U (en) | 2020-10-10 | 2020-10-10 | Gold electrode slice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022247196.8U CN213398306U (en) | 2020-10-10 | 2020-10-10 | Gold electrode slice |
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| Publication Number | Publication Date |
|---|---|
| CN213398306U true CN213398306U (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022247196.8U Active CN213398306U (en) | 2020-10-10 | 2020-10-10 | Gold electrode slice |
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| CN (1) | CN213398306U (en) |
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