CN207248817U - For measuring the automatic Titration potentiometer of chemical plating fluid stability - Google Patents
For measuring the automatic Titration potentiometer of chemical plating fluid stability Download PDFInfo
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- CN207248817U CN207248817U CN201721057341.8U CN201721057341U CN207248817U CN 207248817 U CN207248817 U CN 207248817U CN 201721057341 U CN201721057341 U CN 201721057341U CN 207248817 U CN207248817 U CN 207248817U
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- potentiometer
- chemical plating
- automatic titration
- titer
- plating fluid
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Abstract
The utility model provides a kind of automatic Titration potentiometer for being used to measure chemical plating fluid stability, the automatic Titration potentiometer includes automatic dripping device, test reaction device and host, wherein, the automatic dripping device includes titer storage bottle (1), quantitative dosing device (4), for the inlet tube (3) being in fluid communication between titer storage bottle (1) and quantitative dosing device (4), titer flows back and exhaust pipe (6) and the quantitative dosing pipe (5) for being in fluid communication between quantitative dosing device (4) and test reaction container (7).The automatic Titration potentiometer of the utility model is not only easy to operate, quick feasible, and the puzzlement that chemical plating fluid stability can not quantify all the time is broken, safeguarded for chemical plating fluid volume production, the research and development application of the stability influence factor of chemical plating fluid, the precise circuit etc. of high-end electronic element, there is provided it is reliable to measure and monitoring.
Description
Technical field
A kind of automatic Titration potentiometer is the utility model is related to, specifically, is related to a kind of steady for measuring chemical plating fluid
Qualitatively automatic Titration potentiometer.
Background technology
It is well known that chemical plating fluid is nothing like, electroplate liquid is stably and controllable, and electroplate liquid can be used 1 year or so, and chemical plating
Liquid, which is easy to the characteristics of degradation and decomposition, makes its service life very short, as chemical nickel ordinary life only has 6MTOs (being about used continuously 2 weeks), change
Learning copper can only also be used continuously one month.Frequently row's trade-in has aggravated wastewater treatment and the cost and pressure of discharge, and changes
Learn the unstability of plating solution and only rely on the nonstandard management of personal experience, cause exception to take place frequently, adjoint is a large amount of workpiece
Scrap, even more make the matter worse to environmental improvement and cost control.
The way of chemical plating is by observing the color change of plating solution and measurement plating solution pH, main salt, complexing agent, stabilization at present
Agent, reducing agent, plating speed, by-product concentration etc., then the stability of plating solution is subjectively judged by rule of thumb, empirically consume and mend
Fill.The activity of chemical plating fluid is one coefficient by any of the above bath parameters and temperature, stirring etc. as a result, wherein high
Plating solution pH, main salt, reducing agent, plating speed, by-product concentration and temperature can improve plating solution activity, and complexing agent, stabilizer, reducing agent
It can suppress the activity of plating solution with stirring.In the actual production process, with the fluctuation of these parameters and the accumulation of side reaction product,
Bath stability is more next uncontrollable.
Utility model content
In order to overcome the defects of the prior art, the utility model provides a kind of for measuring chemical plating fluid stability
Automatic Titration potentiometer.In order to realize the purpose of this utility model, the technical solution of the utility model is as follows：
The utility model provides a kind of automatic Titration potentiometer for being used to measure chemical plating fluid stability, the automatic drip
Determining potentiometer includes automatic dripping device, test reaction device and host,
Wherein, the automatic dripping device includes titer storage bottle (1), quantitative dosing device (4), is stored for titer
Bottle (1) and quantitative dosing device (4) between be in fluid communication inlet tube (3), titer reflux and exhaust pipe (6) and for quantitatively
The quantitative dosing pipe (5) being in fluid communication between doser (4) and test reaction container (7),
The test reaction device includes magnetic agitation thermostat (14) and is placed on magnetic agitation thermostat (14)
The test reaction container (7) in face, wherein temperature sense rod (8), reference electrode (9), working electrode (10) and pH electrodes (11)
It is arranged in test reaction container (7), and reference electrode (9), working electrode (10) and pH electrodes (11) pass through conducting wire respectively
It is connected on host (15), temperature sense rod (8) is connected on magnetic agitation thermostat (14) by conducting wire, and magnetic force stirs
Thermostat (14) is mixed to be connected with host (15) by conducting wire.
In a preferred embodiment of the utility model, liquid feeding pump (18) is connected with inlet tube (3).
In a preferred embodiment of the utility model, liquid level gauge (22) is set, for real-time in quantitative dosing device (4)
Detect the liquid level information in quantitative dosing device (4).
In a preferred embodiment of the utility model, temperature sense rod (8) and reference electrode (9) are disposed adjacently,
Working electrode (10) and pH electrodes (11) are disposed adjacently.
In a more preferred of the utility model, reference electrode (9) and working electrode (10) are relatively set
Put the inner side in temperature sense rod (8) and working electrode (10).
In a preferred embodiment of the utility model, test reaction container (7) is also comprising stirring magnetic pole (13).
In a preferred embodiment of the utility model, the automatic Titration potentiometer, which further includes, is placed on test instead
The cleaning solution or reaction terminating liquid storage bottle (17) directly over container (7) are answered, for maintenance test reaction unit or terminates chemistry
Reaction, is wherein equipped with cleaning solution or reaction terminating liquid in cleaning solution or reaction terminating liquid storage bottle (17).
The automatic Titration potentiometer for being used to measure chemical plating fluid stability of the utility model is for controlling analysis to test
Reaction process and reaction end, reduce manual operation with precision control rate of titration, temperature, the time and judge reaction end
Error, make that stability test is easier, quick, specification, its main feature and advantage are：
(1) it can accurately, synthetically quantify stability of the plating solution in different aging periods, anticipation can be made ahead of time in time,
Quantitatively consume and supplement so as to planned, overcome the uncontrollability that chemical plating stability can only be by rule of thumb for a long time,
Make chemical plating production smooth controllable, extend the quality and service life of plating solution, reduce the unexpected abnormality and waste liquid discharging amount of plating solution,
Energy-saving and emission-reduction, lift the production efficiency and quality of plating piece；
(2) most of plating pieces can allow chemical plating fluid stability to be fluctuated in a larger scope, and for one
A little special accurate electronic components, as semiconductor core on piece microcosmic circuit or mold interconnecting antenna on precise circuit, plating solution
Too stabilization is breaking then because of plating leakage；Plating solution activity is too high, then short-circuit because overflowing plating adhesion.The utility model can quantify chemical plating
Liquid stability and all kinds of stability influence factors of quantization, the accurate supervision for the stability of chemical plating fluid provide strong support；
(3) now widely used potentiometric titrimeter is chiefly used in tracer-free single redox reaction, and this practicality
New automatic Titration potentiometer is upgraded to the redox reaction of complexity (in addition to main reaction, side reaction just has a variety of).
It is difficult not only to carry out, function is also little if studying the potential difference change of each redox reaction one by one in mixed liquor.
The utility model drives numerous just letter, integrates potential difference gradual change and mutation with it to indicate and quantify the change of chemical bath stability
Journey and the terminal of chemical reaction.
The utility model gradually moves towards the gradual change and mutation of potential difference during decomposing using plating solution, and design is new type auto
Titrate potentiometer (such as Fig. 1).
The automatic Titration potentiometer of the utility model can also be tested chemical plating fluid and work as on the premise of chemical plating fluid is not destroyed
Preceding current potential, finds corresponding stability value on potential change curve according to this, can use outer addition (such as stabilizer, reducing agent, pH
Conditioning agent etc.) stability management desired value is adjusted to, the live dosing of change and guidance for timing monitoring bath stability is made
Industry.
The automatic Titration potentiometer of the utility model is not only easy to operate, quick feasible, and has broken and changed all the time
The puzzlement that bath stability can not quantify is learned, is safeguarded for chemical plating volume production, the research and development of the stability influence factor of chemical plating fluid are answered
With the precise circuit of, high-end electronic element (such as chip and mold interconnecting precise circuit), there is provided reliable to measure and monitoring.
The automatic Titration potentiometer of the utility model can be applied to plastics, metal, the electroless copper on semiconductor (silicon),
The working solution stability management of nickel etc., so as to reduce plating solution abnormal scrap, extends plating solution service life, reduces high-accuracy costliness
Electronic product defect ware (such as semiconductor), energy-saving and emission-reduction, stabilizing quality, improve production efficiency.
The automatic Titration potentiometer of the utility model uses on laboratory and client's production line, and effect is fairly obvious.
Brief description of the drawings
Fig. 1 is the structure diagram for being used to measure the automatic Titration potentiometer of chemical plating fluid stability of the utility model；
Fig. 2 is the cooperation schematic diagram of the host with liquid level gauge, liquid feeding pump and control valve of the utility model.
Embodiment
For measuring the automatic Titration potentiometer of chemical plating fluid stability, including test reaction device, automatic dripping device
And host.
Test reaction device includes test reaction container (7) and magnetic agitation thermostat (14), wherein temperature sense rod
(8), reference electrode (calomel electrode) (9), working electrode (platinum electrode) (10) and pH electrodes (11) are placed on test reaction
In container (7) (wherein equipped with chemical plating solution to be measured (12)), and reference electrode (calomel electrode) (9), working electrode (platinum electricity
Pole) (10) and pH electrodes (11) be connected on host (15) by conducting wire respectively, and temperature sense rod (8) is connected by conducting wire
Onto magnetic agitation thermostat (14), and magnetic agitation thermostat (14) is connected by conducting wire with host (15).Temperature sense rod
(8) it is adjacent to and is placed with reference electrode (9), working electrode (10) and pH electrodes (11), which are adjacent to, is placed, reference electrode (9)
Relatively it is arranged on the inside of temperature sense rod (8) and pH electrodes (11) with working electrode (10).In test reaction container (7)
Stirring magnetic pole (13) is also placed with, test reaction container (7) is placed on magnetic agitation thermostat (14) above.
Automatic dripping device includes titer storage bottle (1), quantitative dosing device (4), inlet tube (3) and titer reflux
And exhaust pipe (6), wherein inlet tube (3) is the fluid communication being used between titer storage bottle (1) and quantitative dosing device (4),
The first control valve (19) is connected with titer reflux and exhaust pipe (6), for that will be remained in quantitative dosing device (4) (if residual
Stay) titer be back in titer storage bottle (1) and during toward input titer (2) in quantitative dosing device (4)
Exhaust.Liquid feeding pump (18) is connected with inlet tube (3), for the titer in titer storage bottle (1) is input to quantitative dosing
In device (4).
Automatic dripping device further includes quantitative dosing pipe (5), is connected with the second control valve (20) thereon, for by quantitative dosing
Titer (2) in device (4) is added drop-wise in test reaction container (7).
First control valve (19), the second control valve (20) and liquid feeding pump (18) can be controlled by other control units.
Host (15) includes input operation and output shows touch screen (16), can set or show：Prepare liquid temperature, pH, when
Between, potential change curve and stability test result；Mixing speed, the rate of addition of titer and dripping quantity and titer are dense
Degree；Different chemical plating fluids can be directed to and compile distinct program, and can edit and call according to need；It can set and call two kinds of test moulds
Formula：Titer titration and high temperature ageing method.When selecting high temperature ageing method, quantitative dosing device (4) is automatically closed.
Automatic Titration potentiometer further includes the cleaning solution or reaction terminating liquid being placed on directly over test reaction container (7)
Storage bottle (17), it is connected to host (15) by conducting wire and is connected by woven hose (23) and test reaction container (7) fluid
It is logical, third control valve (21) is connected with woven hose (23).
The operating procedure of automatic Titration potentiometer for measuring chemical plating fluid stability is as follows：
(1) host (15) is opened, sets test pattern as titer titration or high temperature ageing method, editor or selected test
Program, set temperature, pH value, mixing speed, rate of titration, concentration of standard solution etc. (if selected high temperature ageing method, not necessarily with
Below with quantitative dosing device (4) relevant operation)；
(2) toward the chemical plating solution to be measured (12) of addition specified amount in test reaction container (7), pH is adjusted, opens stirring
And heating；
(3) toward the corresponding titer (2) of addition in titer storage bottle (1)；
(4) liquid feeding pump (18) is opened, the input titer (2) into quantitative dosing device (4), and flow back and arrange by titer
Tracheae (6) is vented；
(5) treat that temperature is raised to design temperature, open quantitative dosing device (4), open operation, start automatic Titration；
(6) when current potential is undergone mutation, titer titration is automatically stopped titration, and high temperature ageing method is automatically stopped heating,
The reaction terminating liquid or cleaning solution being automatically imported at the same time in cleaning solution or reaction terminating liquid storage bottle (17), to safeguard reaction vessel
And electrode etc.；
(7) read test potential change curve and test result, calculating prepare liquid, which will be adjusted to target stability, to be needed to mend
The amount for the chemical constituent filled；
(8) chemical plating solution to be measured (12) is separately taken, after step (7) supplement adjustment, repeat step (2)-(6), confirm nothing
After by mistake, live vat operation is instructed.
The operating procedure of wherein automatic dripping device is as follows：When test pattern is titer titration, it is necessary to test
When titer being added dropwise in reaction vessel (7), start liquid feeding pump (18), the titer (2) in titer storage bottle (1) is input to
It is vented in quantitative dosing device (4) and by titer reflux and exhaust pipe (6), then will be quantitatively added by quantitative dosing pipe (5)
Titer (2) in medicine device (4) is added drop-wise in test reaction container (7).After being added dropwise, pass through titer reflux and exhaust pipe
(6) titer (2) of residual in quantitative dosing device (4) (if there is residual) is back in titer storage bottle (1).
Referring to Fig. 1 and Fig. 2, based on such scheme, present invention also provides a kind of preferred solution, concrete scheme are as follows：
The application also sets a liquid level gauge (22) in quantitative dosing device (4), it is communicated to connect with host (15), it is used for
Liquid level information in detection quantitative dosing device (4) in real time, and the liquid level information signal detected is sent to host (15), and
Host (15) is logical with the liquid feeding pump (18) in automatic dripping device, the first control valve (19) and the second control valve (20) respectively
Letter connection.
Such scheme specifically coordinates as follows：
When addition titer (2) in needing to quantitative dosing device (4), staff controls liquid feeding pump by host (15)
(18) work, liquid feeding pump (18) by titer storage bottle (1) titer (2) extract be input in quantitative dosing device (4) and
By controlling the first control valve (19) to be vented, liquid level gauge (22) detects the liquid level information in quantitative dosing device (4) in real time, and will
The liquid level information signal detected is sent to host (15).When the liquid level that host (15) detects is higher than in quantitative dosing device (4)
Liquid level 2/3rds when, host (15) then controls liquid feeding pump (18) to be stopped.
When needing to when titer (2) are added dropwise in test reaction container (7), staff passes through host (15) controllable the
Two control valves (20) are opened, until being added dropwise, then staff controls the second control valve (20) by host (15) again
Close.
When that titer (2) need not be added dropwise into test reaction container (7), staff can be real-time by host (15)
Understand the liquid level information in quantitative dosing device (4).When remaining titer (2) are not present in quantitative dosing device (4), then it is not required to
The first control valve (19) is opened, and when there are when remaining titer (2), staff passes through in quantitative dosing device (4)
Host (15) can control the first control valve (19) to open, the titer (2) in quantitative dosing device (4) flowed back by titer and
Exhaust pipe (6) is back in titer storage bottle (1), cost-effective so easy to recycling.
In this way, by the implementation of above-mentioned preferred solution, the application greatly improves work efficiency and has saved cost.
The advantages of basic principle and main feature and the utility model of the utility model has been shown and described above.This
The technical staff of industry is retouched in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
That states simply illustrates the principle of the utility model.On the premise of not departing from the spirit and scope of the utility model, the utility model
Various changes and modifications are also had, these various changes and improvements fall within the scope of the claimed invention.This practicality is new
Type is claimed scope and is defined by the appending claims and its equivalent thereof.
Claims (7)
1. the automatic Titration potentiometer for measuring chemical plating fluid stability, it is characterised in that the automatic Titration potentiometer bag
Automatic dripping device, test reaction device and host are included,
Wherein, the automatic dripping device includes titer storage bottle (1), quantitative dosing device (4), for titer storage bottle
(1) inlet tube (3) that is in fluid communication between quantitative dosing device (4), titer reflux and exhaust pipe (6) and for quantitatively plus
The quantitative dosing pipe (5) being in fluid communication between medicine device (4) and test reaction container (7),
The test reaction device includes magnetic agitation thermostat (14) and is placed on magnetic agitation thermostat (14) above
Test reaction container (7), wherein temperature sense rod (8), reference electrode (9), working electrode (10) and pH electrodes (11) are set
Put in test reaction container (7), and reference electrode (9), working electrode (10) and pH electrodes (11) are connected by conducting wire respectively
It is connected on host (15), temperature sense rod (8) is connected on magnetic agitation thermostat (14) by conducting wire, and magnetic agitation is permanent
Warm device (14) is connected by conducting wire with host (15).
2. the automatic Titration potentiometer according to claim 1 for being used to measure chemical plating fluid stability, it is characterised in that into
Liquid feeding pump (18) is connected with liquid pipe (3).
3. the automatic Titration potentiometer according to claim 1 for being used to measure chemical plating fluid stability, it is characterised in that fixed
Measure and liquid level gauge (22) is set in doser (4), for detecting the liquid level information in quantitative dosing device (4) in real time.
4. the automatic Titration potentiometer according to claim 1 for being used to measure chemical plating fluid stability, it is characterised in that temperature
Degree inductive rod (8) and reference electrode (9) are disposed adjacently, and working electrode (10) and pH electrodes (11) are disposed adjacently.
5. the automatic Titration potentiometer according to claim 4 for being used to measure chemical plating fluid stability, it is characterised in that ginseng
Than the inner side that electrode (9) and working electrode (10) are relatively arranged on temperature sense rod (8) and working electrode (10).
6. the automatic Titration potentiometer according to claim 1 for being used to measure chemical plating fluid stability, it is characterised in that survey
Reaction vessel (7) is tried also comprising stirring magnetic pole (13).
7. being used for the automatic Titration potentiometer for measuring chemical plating fluid stability according to claim 1-6 any one of them, it is special
Sign is that the automatic Titration potentiometer further includes the cleaning solution being placed on directly over test reaction container (7) or reaction eventually
Only liquid storage bottle (17), for maintenance test reaction unit or terminate chemical reaction, wherein cleaning solution or reaction terminating liquid storage
Cleaning solution or reaction terminating liquid are housed in bottle (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721057341.8U CN207248817U (en) | 2017-08-23 | 2017-08-23 | For measuring the automatic Titration potentiometer of chemical plating fluid stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721057341.8U CN207248817U (en) | 2017-08-23 | 2017-08-23 | For measuring the automatic Titration potentiometer of chemical plating fluid stability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207248817U true CN207248817U (en) | 2018-04-17 |
Family
ID=61882382
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721057341.8U Active CN207248817U (en) | 2017-08-23 | 2017-08-23 | For measuring the automatic Titration potentiometer of chemical plating fluid stability |
Country Status (1)
| Country | Link |
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| CN (1) | CN207248817U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109900852A (en) * | 2019-03-18 | 2019-06-18 | 中国科学院上海硅酸盐研究所 | Boron element based on chemical titration analysis technology automatically analyzes test device and method |
| CN112881587A (en) * | 2019-11-29 | 2021-06-01 | 宝山钢铁股份有限公司 | Method and device for jointly measuring concentrations of free acid and divalent tin in electrotinning solution |
-
2017
- 2017-08-23 CN CN201721057341.8U patent/CN207248817U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109900852A (en) * | 2019-03-18 | 2019-06-18 | 中国科学院上海硅酸盐研究所 | Boron element based on chemical titration analysis technology automatically analyzes test device and method |
| CN112881587A (en) * | 2019-11-29 | 2021-06-01 | 宝山钢铁股份有限公司 | Method and device for jointly measuring concentrations of free acid and divalent tin in electrotinning solution |
| CN112881587B (en) * | 2019-11-29 | 2023-09-12 | 宝山钢铁股份有限公司 | Combined determination method and device for concentration of free acid and stannous in electrotinning solution |
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