CN203572799U - Device for quickly measuring content of hydrogen peroxide in hydrogen peroxide solution - Google Patents
Device for quickly measuring content of hydrogen peroxide in hydrogen peroxide solution Download PDFInfo
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- CN203572799U CN203572799U CN201320642380.XU CN201320642380U CN203572799U CN 203572799 U CN203572799 U CN 203572799U CN 201320642380 U CN201320642380 U CN 201320642380U CN 203572799 U CN203572799 U CN 203572799U
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- hydrogen peroxide
- titration
- content
- buret
- oxidation
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- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 title claims abstract description 70
- 238000004448 titration Methods 0.000 claims abstract description 36
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 230000033116 oxidation-reduction process Effects 0.000 claims abstract description 18
- 238000005259 measurement Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 13
- 230000008859 change Effects 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 238000013019 agitation Methods 0.000 claims description 3
- 238000011112 process operation Methods 0.000 abstract description 3
- 238000003756 stirring Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 5
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000012895 dilution Substances 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000012925 reference material Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
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- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The utility model discloses a device for quickly measuring the content of hydrogen peroxide in a hydrogen peroxide solution and mainly solves the problems of large manual operation error and complicated process operation of the conventional oxidation-reduction titration method in the prior art. According to the device for quickly measuring the content of the hydrogen peroxide in the hydrogen peroxide solution, a pipeline inserted below the liquid level is arranged in a liquid feeding container (1); the other end of the pipeline is connected with a burette driver (6); the other end of the burette driver (6) is connected with a burette (2); the other end of the burette (2) is inserted below the liquid level of a titration cup (5); an oxidation-reduction electrode (4) is inserted into the titration cup (5); the oxidation-reduction electrode (4), the burette driver (6) and stirring equipment (3) of the titration cup (5) are connected to a control terminal through data wires. According to the technical scheme, the problem is well solved; the device can be used for quick measurement of the content of the hydrogen peroxide in the hydrogen peroxide solution.
Description
Technical field
The utility model relates to content of hydrogen peroxide rapid determination device in a kind of hydrogen peroxide solution.
Technical background
The Accurate Determining of content of hydrogen peroxide in hydrogen peroxide solution is very important to judging whether it meets process application requirement.
CN02158703.5 is characterized in that comprising the steps: the demarcation of (1) initial reference material: the commercially available reagent of hydrogen peroxide is carried out to chemical method demarcation by standard GB/T 6684-86; (2) preparation of external standard sample is diluted to 1/10-1/500 and makes external standard sample demarcating rear reference material; (3) preparation of mobile phase by first alcohol and water for methyl alcohol: water=0-85: 15-100, mix by volume, degassed, filter and to be mixed with mobile phase; (4) sample is analyzed and is adopted Shimadzu LC-3A high performance liquid chromatograph, detecting device is UVD-2 UV-detector and/or RID-2A differential detecting device, UV-detector wavelength is 254nm, column size is internal diameter 4.6mm, long 250mm, chromatographic column is Zorbax-ODS or Zorbax-C8, column temperature is room temperature, move and enter Shimadzu LC-3A high performance liquid chromatograph with 0.4 ml/min-1.5 ml/min flow velocity, after chromatogram detection system is stable, the sample size of take carries out the sample introduction stratographic analysis of external standard sample and sample to be analyzed as 0.2-10 microlitre; (5) calculate demarcated superoxol gram/100 ml concns represent with W%, its dilutability represents with D%, the sample size after dilution is VW microlitre, the response that chromatographic work station provides is Sw microvolt * second; Hydrogen peroxide in sample to be analyzed gram/100 ml concns represent with X%, its dilutability represents with E%, sample size after dilution is VX microlitre, hydrogen peroxide response in sample to be analyzed is SX microvolt * second, and computing formula is X%=W% * [SX * D% * VW] ÷ [Sw * E% * VX].
Yet applying at present many is that oxidimetry is measured content of hydrogen peroxide, this method is that titration end-point is determined in the variation of visualization of color by adding indicator, and manual operation error is larger, and process is more loaded down with trivial details.
Not yet there is at present the rapid determination device that is exclusively used in content of hydrogen peroxide in hydrogen peroxide solution.
Summary of the invention
Technical problem to be solved in the utility model is the problem that in prior art, oxidimetry manual operation error is large, process operation is loaded down with trivial details, and content of hydrogen peroxide rapid determination device in a kind of new hydrogen peroxide solution is provided.This device is in hydrogen peroxide solution content of hydrogen peroxide Fast Measurement, have measurement data accurately and reliably, the simple advantage of process operation.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is as follows: content of hydrogen peroxide rapid determination device in a kind of hydrogen peroxide solution, in liquid adding vessel (1), there is the pipeline inserting below liquid level, the pipeline other end is connected with buret driver (6), buret driver (6) other end is connected with buret (2), buret (2) other end inserts below the liquid level of titration cup (5), titration cup (5) interpolation has oxidation-reduction electrode (4), oxidation-reduction electrode (4), the mixing plant (3) of buret driver (6) and titration cup (5) is all connected to control terminal by data line, described device is provided with operation screen (7), for showing measurement result and carrying out the control of control terminal.
In technique scheme, preferably, described oxidation-reduction electrode (4) is inserted below the liquid level of titration cup (5), and buret (2), oxidation-reduction electrode (4), mixing plant (3) can not be touched.
In technique scheme, preferably, described operation screen (7) is an integrated touch-screen, and major function, for the titration parameters such as rate of titration, sample concentration are set, shows the potential change of titration process simultaneously in real time.
In technique scheme, preferably, the content of described hydrogen peroxide, by the potential change of measuring, automatically calculates and above shows at operation screen (7) according to the titrant parameter pre-entering.
In technique scheme, preferably, described titration cup (5) is realized the mixing of liquid in cup by magnetic agitation or churned mechanically mode.
The utility model, according to oxidation reduction titration principle, has designed a set of easy-operating Quick Measurement program, can measure fast and accurately the content of hydrogen peroxide in hydrogen peroxide solution.And device is simple, easy to operate, the continuity that can realize many batch samples detects, and has obtained good technique effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of device described in the utility model.
1. liquid adding vessel
2. buret
3. stirrer
4. oxidation-reduction electrode
5. titration cup
6. buret driver
7. operation is shielded
Below by embodiment, the utility model is further elaborated, but is not limited only to the present embodiment.
Embodiment
[embodiment 1]
On the device shown in Fig. 1, in liquid adding vessel 1, there is the pipeline inserting below liquid level, the pipeline other end is connected with buret driver 6, buret driver 6 other ends are connected with buret 2, buret 2 other ends insert below the liquid level of titration cup 5, titration cup 5 interpolations have oxidation-reduction electrode 4, the mixing plant 3 of oxidation-reduction electrode 4, buret driver 6 and titration cup 5 is all connected to control terminal by data line, described device is provided with operation screen 7, for showing measurement result and carrying out the control of control terminal.Described oxidation-reduction electrode 4 is inserted below the liquid level of titration cup 5, and buret 2, oxidation-reduction electrode 4, mixing plant 3 can not be touched, described operation screen 7 is integrated touch-screens, major function is for arranging the titration parameters such as rate of titration, sample concentration, show in real time the potential change of titration process simultaneously, the content of described hydrogen peroxide is by the potential change of measuring, according to the titrant parameter pre-entering, automatically calculate and show on operation screen 7, described titration cup 5 is realized the mixing of liquid in cup by magnetic agitation or churned mechanically mode.
The method of operating of this device:
1, in liquid adding vessel, pack the potassium permanganate titrand preparing into, testing sample is put into titration cup.
2, the liquid end of getting of buret gos deep into liquid adding vessel inside, and after driver, the other end immerses in testing sample
3,, by oxidation-reduction electrode, stirring-head is put into titration cup.
4, by touch-screen, set parameter and the stir speed (S.S.) of titrant, then start test, the variation of current potential followed the tracks of in display screen record.
5, arrive after titration end-point, terminal module calculates the content of hydrogen peroxide of testing sample automatically according to titration results.
If the content range of hydrogen peroxide in clear and definite testing sample, can want to add certain titrant in advance by driving pump, shorten titration time.
Claims (5)
1. content of hydrogen peroxide rapid determination device in a hydrogen peroxide solution, it is characterized in that in liquid adding vessel (1), there is the pipeline inserting below liquid level, the pipeline other end is connected with buret driver (6), buret driver (6) other end is connected with buret (2), buret (2) other end inserts below the liquid level of titration cup (5), titration cup (5) interpolation has oxidation-reduction electrode (4), oxidation-reduction electrode (4), the mixing plant (3) of buret driver (6) and titration cup (5) is all connected to control terminal by data line, described device is provided with operation screen (7), for showing measurement result and carrying out the control of control terminal.
2. content of hydrogen peroxide rapid determination device in hydrogen peroxide solution according to claim 1, it is characterized in that described oxidation-reduction electrode (4) inserts below the liquid level of titration cup (5), and buret (2), oxidation-reduction electrode (4), mixing plant (3) can not be touched.
3. content of hydrogen peroxide rapid determination device in hydrogen peroxide solution according to claim 1, it is characterized in that described operation screen (7) is an integrated touch-screen, major function, for the titration parameters such as rate of titration, sample concentration are set, shows the potential change of titration process simultaneously in real time.
4. content of hydrogen peroxide rapid determination device in hydrogen peroxide solution according to claim 1, it is characterized in that the content of described hydrogen peroxide is by the potential change of measuring, according to the titrant parameter pre-entering, automatically calculate and above show at operation screen (7).
5. content of hydrogen peroxide rapid determination device in hydrogen peroxide solution according to claim 1, is characterized in that described titration cup (5) can realize by magnetic agitation or churned mechanically mode the mixing of liquid in cup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320642380.XU CN203572799U (en) | 2013-10-17 | 2013-10-17 | Device for quickly measuring content of hydrogen peroxide in hydrogen peroxide solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320642380.XU CN203572799U (en) | 2013-10-17 | 2013-10-17 | Device for quickly measuring content of hydrogen peroxide in hydrogen peroxide solution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203572799U true CN203572799U (en) | 2014-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320642380.XU Expired - Lifetime CN203572799U (en) | 2013-10-17 | 2013-10-17 | Device for quickly measuring content of hydrogen peroxide in hydrogen peroxide solution |
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| CN (1) | CN203572799U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104297295A (en) * | 2014-09-25 | 2015-01-21 | 中国石油化工股份有限公司 | Method for determining content of hydrogen peroxide in impurity-containing hydrogen peroxide solution |
| CN105181889A (en) * | 2015-09-30 | 2015-12-23 | 王竞 | Liquid analysis method and device adopting potentiometric titration |
| CN106086157A (en) * | 2016-06-21 | 2016-11-09 | 俞率成 | Catalase activity analyzer and using method thereof |
| CN108645960A (en) * | 2018-07-12 | 2018-10-12 | 宣向斌 | A kind of automation concentration of hydrogen peroxide on-line detecting system and detection method |
| CN110749695A (en) * | 2019-12-04 | 2020-02-04 | 上田环境修复有限公司 | Method for detecting residual medicament in environmental remediation engineering |
-
2013
- 2013-10-17 CN CN201320642380.XU patent/CN203572799U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104297295A (en) * | 2014-09-25 | 2015-01-21 | 中国石油化工股份有限公司 | Method for determining content of hydrogen peroxide in impurity-containing hydrogen peroxide solution |
| CN105181889A (en) * | 2015-09-30 | 2015-12-23 | 王竞 | Liquid analysis method and device adopting potentiometric titration |
| CN106086157A (en) * | 2016-06-21 | 2016-11-09 | 俞率成 | Catalase activity analyzer and using method thereof |
| CN108645960A (en) * | 2018-07-12 | 2018-10-12 | 宣向斌 | A kind of automation concentration of hydrogen peroxide on-line detecting system and detection method |
| CN110749695A (en) * | 2019-12-04 | 2020-02-04 | 上田环境修复有限公司 | Method for detecting residual medicament in environmental remediation engineering |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140430 |