CN109752425A - A kind of PH measuring device for pyrosol - Google Patents
A kind of PH measuring device for pyrosol Download PDFInfo
- Publication number
- CN109752425A CN109752425A CN201711080156.5A CN201711080156A CN109752425A CN 109752425 A CN109752425 A CN 109752425A CN 201711080156 A CN201711080156 A CN 201711080156A CN 109752425 A CN109752425 A CN 109752425A
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- China
- Prior art keywords
- tank
- electrode
- pyrosol
- measuring device
- salt bridge
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention provides a kind of PH measuring device for pyrosol, including PH measures tank, reference tank, and connecting tube, extension bridge, measuring electrode, reference electrode, pH value converter are formed, be connected between two of them tank with communicating pipe.The invention moves to reference electrode at room temperature by Yan Qiao with the method for extension salt bridge and measures, and solves the problems, such as that pH value measures under the condition of high temperature, extends the service life of motor, improves the accuracy that pH value measures under high temperature.
Description
Technical field
The invention is related to pH value test correlative technology field more particularly to a kind of PH measurement dress for pyrosol
It sets.
Background technique
In the techniques such as chemical plating, ammonium nitrate production, ionic membrane alkaline, the pH value of processing medium is a very important work
Skill parameter, the control of direct participation process.The techniques such as chemical plating, ammonium nitrate production, ionic membrane alkaline often need high temperature to complete, mesh
The temperature sensitive property of the PH electrode of preceding PH measuring appliance is strong, and high temperature can accelerate the aging of electrode, more reduces the service life of electrode
It is short, and reference electrode is strong to the sensibility of temperature, high temperature be easy to cause null offset speed to accelerate so that reference electrode very
It cannot use fastly.Although there are the PH electrode of different high temperature in foreign countries, expensive.
Summary of the invention
The purpose of the invention is to provide a kind of PH measuring device for pyrosol, including PH measuring electrode, PH
Reference electrode, pH value converter, including PH measurement tank, PH reference tank, extension salt bridge, the first connecting tube, the second connecting tube, connection
Device, PH measurement tank, extension salt bridge are attached by the second connecting tube, and extension salt bridge, PH reference tank are connected by the first connecting tube
It connects, PH measuring electrode is fixed on PH by brandreth clip vertically and measures on tank, and PH reference electrode is fixed vertically by brandreth clip
On reference tank, PH measuring electrode, PH reference electrode are connected by linker with PH converter.
Further, extension salt bridge is cylindrical body with holes.
Further, the material of extension salt bridge is polytetrafluoroethylene (PTFE).
Further, the hole central filler mineral wool of extension salt bridge.
Further, the electrode material of PH reference electrode is the platinized platinum for being coated with platinum black.
Further, it is stainless that PH, which measures the material of tank,.
Compared with prior art, the invention measurement tank is connected with reference tank by pipeline, the temperature of reference tank solution
Close to room temperature, extension salt bridge can prevent the impurity in detected solution from entering in reference tank solution, and reference electrode is moved by Yan Qiao
It is measured to room temperature, solves the problems, such as that pH value measures under the condition of high temperature, extends the service life of electrode, improves height
The accuracy of the lower pH value measurement of temperature.
Detailed description of the invention
Fig. 1 is a kind of structure chart of the PH measuring device for pyrosol described in the invention embodiment.
Description of symbols:
1-PH measuring electrode, 2-PH reference electrode, 3-PH measure tank, 4-PH reference tank, the second connecting tube of 5-, 6- extension salt
Bridge, the first connecting tube of 7-, 8-PH converter, 9- connector, 10- detected solution inlet port, 11- detected solution overfall
Specific embodiment
The present invention will be described in detail below with reference to the accompanying drawings and embodiments creates.
As shown in Figure 1, a kind of PH measuring device for pyrosol of the invention includes PH measurement tank 3, PH reference
Tank 4, the second connecting tube 5, the first connecting tube 7, linker 9, extension salt bridge 6, PH converter 8, PH measuring electrode 1, PH reference electricity
Pole 2；PH measuring electrode 1 is fixed on measurement tank 3 vertically by brandreth clip, and PH reference electrode 2 is solid vertically by brandreth clip
It is scheduled on reference tank 4, PH measuring electrode 1, PH reference electrode 2 are connected by linker and the PH converter 8, PH measuring electrode
The signal that 1 signal, the reference electrode 2 generated generates is sent into PH converter 8 by the composition of linker 9 circuit together and is handled,
Complete display and output；PH measurement tank 3, extension salt bridge 6 are attached by connecting tube 5, and extension salt bridge 6, PH reference tank 4 pass through
Connecting tube 7 connects, and the material of extension salt bridge 6 is cylindrical body with holes, and material is polytetrafluoroethylene (PTFE), hole central filler glass
Cotton, avoid measurement night and the reference liquid temperature difference it is too big caused by aeration measurement result, the solution in extension salt bridge 6 is pH value
Certain detected solution avoids generation from connecing liquid current potential.
The foregoing is merely the preferred embodiments of the invention, are not intended to limit the invention creation, all at this
Within the spirit and principle of innovation and creation, any modification, equivalent replacement, improvement and so on should be included in the invention
Protection scope within.
Claims (6)
1. a kind of PH measuring device for pyrosol, including PH measuring electrode (1), PH reference electrode (2), pH value converter
(8), it is characterised in that further include PH measurement tank (3), PH reference tank (4), extension salt bridge (6), the first connecting tube (7), the second company
(5), linker (9) are taken over, PH measurement tank (3), extension salt bridge (6) are attached by the second connecting tube (5), extension salt
Bridge (6), PH reference tank (4) are connected by the first connecting tube (7), and the PH measuring electrode (1) is fixed vertically by brandreth clip
In PH measurement tank (3), PH reference electrode (2) is fixed on reference tank (4) vertically by brandreth clip, the PH measuring electrode
(1), PH reference electrode (2) is connected by linker (9) and the PH converter (8).
2. a kind of PH measuring device for pyrosol according to claim 1, which is characterized in that the extension salt bridge
It (6) is cylindrical body with holes.
3. a kind of PH measuring device for pyrosol according to claim 2, it is characterised in that the extension salt bridge
(6) material is polytetrafluoroethylene (PTFE).
4. a kind of PH measuring device for pyrosol according to claim 2 or 3, it is characterised in that the extension salt
The hole central filler mineral wool of bridge (6).
5. a kind of PH measuring device for pyrosol according to claim 4, it is characterised in that the PH reference electricity
The electrode material of pole (2) is the platinized platinum for being coated with platinum black.
6. a kind of PH measuring device for pyrosol according to claim 5, it is characterised in that the PH measures tank
(3) material is stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711080156.5A CN109752425A (en) | 2017-11-06 | 2017-11-06 | A kind of PH measuring device for pyrosol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711080156.5A CN109752425A (en) | 2017-11-06 | 2017-11-06 | A kind of PH measuring device for pyrosol |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109752425A true CN109752425A (en) | 2019-05-14 |
Family
ID=66399785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711080156.5A Pending CN109752425A (en) | 2017-11-06 | 2017-11-06 | A kind of PH measuring device for pyrosol |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109752425A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111830095A (en) * | 2020-06-24 | 2020-10-27 | 宁波大地化工环保有限公司 | Method and device for testing pH of high-temperature high-salinity liquid |
| CN113945509A (en) * | 2021-11-01 | 2022-01-18 | 西安稀有金属材料研究院有限公司 | Device and method for performing electrochemical test in high-temperature liquid-phase corrosion environment |
-
2017
- 2017-11-06 CN CN201711080156.5A patent/CN109752425A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111830095A (en) * | 2020-06-24 | 2020-10-27 | 宁波大地化工环保有限公司 | Method and device for testing pH of high-temperature high-salinity liquid |
| CN113945509A (en) * | 2021-11-01 | 2022-01-18 | 西安稀有金属材料研究院有限公司 | Device and method for performing electrochemical test in high-temperature liquid-phase corrosion environment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190514 |
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| WD01 | Invention patent application deemed withdrawn after publication |