CN114280045A - Effective chlorine concentration online detection method based on chlorine-containing disinfectant - Google Patents
Effective chlorine concentration online detection method based on chlorine-containing disinfectant Download PDFInfo
- Publication number
- CN114280045A CN114280045A CN202111614809.XA CN202111614809A CN114280045A CN 114280045 A CN114280045 A CN 114280045A CN 202111614809 A CN202111614809 A CN 202111614809A CN 114280045 A CN114280045 A CN 114280045A
- Authority
- CN
- China
- Prior art keywords
- solution
- chlorine
- potassium iodide
- detection method
- acetic acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 239000000460 chlorine Substances 0.000 title claims abstract description 44
- 229910052801 chlorine Inorganic materials 0.000 title claims abstract description 44
- 239000000645 desinfectant Substances 0.000 title claims abstract description 21
- 238000001514 detection method Methods 0.000 title claims abstract description 21
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 claims abstract description 54
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229960000583 acetic acid Drugs 0.000 claims abstract description 14
- 239000012362 glacial acetic acid Substances 0.000 claims abstract description 14
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims abstract description 6
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 5
- 238000005286 illumination Methods 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims abstract description 4
- 238000004659 sterilization and disinfection Methods 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 241000894006 Bacteria Species 0.000 description 3
- 230000003641 microbiacidal effect Effects 0.000 description 2
- 241000193830 Bacillus <bacterium> Species 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 210000004666 bacterial spore Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
Abstract
The invention discloses an effective chlorine concentration online detection method based on chlorine-containing disinfectant, which comprises the following steps: the method comprises the following steps: firstly, preparing two reagent feeders A, B, and feeding potassium iodide into the reagent feeder A; step two: adding quantitative potassium iodide into the solution C by using an adding device A, adding glacial acetic acid into the solution C by using a adding device B, adding the generated chlorine-containing disinfectant or hypochlorous acid disinfectant into the solution C, uniformly stirring, and standing for 1-10 minutes; step three: the brown shade degree of the solution is related to the concentration of the chlorine-containing disinfectant, and the color shade degree can be analyzed through illumination; step four: the container C is automatically cleaned after data are measured each time, automatic cycle detection is carried out according to a set detection time interval, and the minimum time interval is 1-10 minutes.
Description
Technical Field
The invention relates to an effective chlorine concentration online detection method, in particular to an effective chlorine concentration online detection method based on chlorine-containing disinfectant, and belongs to the technical field of effective chlorine concentration detection.
Background
Chlorine-containing disinfectants are those which dissolve in water to produce hypochlorous acid which has microbiocidal activity, the microbiocidal active ingredient of which is often expressed as available chlorine. Hypochlorous acid has small molecular weight, is easy to diffuse to the surface of bacteria and penetrate cell membranes to enter the bacteria body, so that mycoprotein is oxidized to cause the bacteria to die. The chlorine-containing disinfectant can kill various microorganisms including bacterial propagules, viruses, fungi, tubercle bacillus and bacterial spores with strongest resistance.
However, in the prior art, the detection effect of the method for detecting the effective chlorine concentration of the chlorine-containing disinfection solution is influenced by external factors, so that the accuracy of chlorine concentration detection is influenced.
Disclosure of Invention
The invention aims to provide an on-line detection method for effective chlorine concentration based on chlorine-containing disinfectant, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an effective chlorine concentration online detection method based on a chlorine-containing disinfection solution comprises the following steps:
the method comprises the following steps: firstly, preparing two reagent adding devices A, B, adding potassium iodide into A, adding 99% glacial acetic acid into B, and adding a transparent cuboid glass container C with the capacity of 10 ml;
step two: adding a quantitative amount of potassium iodide into the solution C by using an A adding device, adding glacial acetic acid into the solution C by using a B adding device, adding the generated chlorine-containing disinfectant or hypochlorous acid disinfectant into the solution C, uniformly stirring, changing the color of the solution from colorless to brown with different degrees, and standing for 1-10 minutes;
step three: the brown shade degree of the solution is related to the concentration of the chlorine-containing disinfectant, the color shade degree can be analyzed through illumination, and the concentration of the solution to be detected is obtained through a known relation curve of the color shade and the effective chlorine concentration;
step four: and automatically cleaning the container C after the data are measured each time, and automatically and circularly detecting according to a set detection time interval, wherein the minimum time interval is 1-10 minutes.
As a preferable technical scheme of the present invention, in the step one, the potassium iodide added in the step a is solid powder.
In the second step, 200mg of potassium iodide is taken from a potassium iodide storage tank and put into C, and 0.2ml of glacial acetic acid is taken from a glacial acetic acid storage tank and put into C by a B adding device, wherein the total volume is 10 ml.
In the third step, it is necessary to maintain a uniform room temperature during the color comparison.
Compared with the prior art, the invention has the beneficial effects that: the method for detecting the effective chlorine concentration on line based on the chlorine-containing disinfectant can accurately and quickly detect the effective chlorine concentration, and the detection mode is simple and clear.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides an effective chlorine concentration online detection method based on chlorine-containing disinfectant, which comprises the following steps:
the method comprises the following steps: firstly, preparing two reagent adding devices A, B, adding potassium iodide into A, adding 99% glacial acetic acid into B, and adding a transparent cuboid glass container C with the capacity of 10 ml;
step two: adding a quantitative amount of potassium iodide into the solution C by using an A adding device, adding glacial acetic acid into the solution C by using a B adding device, adding the generated chlorine-containing disinfectant or hypochlorous acid disinfectant into the solution C, uniformly stirring, changing the color of the solution from colorless to brown with different degrees, and standing for 1-10 minutes;
step three: the brown shade degree of the solution is related to the concentration of the chlorine-containing disinfectant, the color shade degree can be analyzed through illumination, and the concentration of the solution to be detected is obtained through a known relation curve of the color shade and the effective chlorine concentration;
step four: and automatically cleaning the container C after the data are measured each time, and automatically and circularly detecting according to a set detection time interval, wherein the minimum time interval is 1-10 minutes.
In the first step, the potassium iodide added in the step A is solid powder.
Preferably, in the second step, the A adding device takes 200mg of potassium iodide from a potassium iodide storage tank and adds the potassium iodide into the C, and the B adding device takes 0.2ml of glacial acetic acid from a glacial acetic acid storage tank and adds the glacial acetic acid into the C, wherein the total volume is 10 ml.
Further, in the third step, the color contrast needs to be kept within a uniform room temperature.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. An on-line detection method for effective chlorine concentration based on chlorine-containing disinfection solution is characterized by comprising the following steps:
the method comprises the following steps: firstly, preparing two reagent adding devices A, B, adding potassium iodide into A, adding 99% glacial acetic acid into B, and adding a transparent cuboid glass container C with the capacity of 10 ml;
step two: adding a quantitative amount of potassium iodide into the solution C by using an A adding device, adding glacial acetic acid into the solution C by using a B adding device, adding the generated chlorine-containing disinfectant or hypochlorous acid disinfectant into the solution C, uniformly stirring, changing the color of the solution from colorless to brown with different degrees, and standing for 1-10 minutes;
step three: the brown shade degree of the solution is related to the concentration of the chlorine-containing disinfectant, the color shade degree can be analyzed through illumination, and the concentration of the solution to be detected is obtained through a known relation curve of the color shade and the effective chlorine concentration;
step four: and automatically cleaning the container C after the data are measured each time, and automatically and circularly detecting according to a set detection time interval, wherein the minimum time interval is 1-10 minutes.
2. The on-line detection method for the effective chlorine concentration based on the chlorine-containing disinfection solution as claimed in claim 1, wherein: in the first step, the potassium iodide added in the step A is solid powder.
3. The on-line detection method for the effective chlorine concentration based on the chlorine-containing disinfection solution as claimed in claim 1, wherein: in the second step, 200mg of potassium iodide is taken from a potassium iodide storage tank by the A feeder and is put into the C, 0.2ml of glacial acetic acid is taken from a glacial acetic acid storage tank by the B feeder and is put into the C, and the total volume is 10 ml.
4. The on-line detection method for the effective chlorine concentration based on the chlorine-containing disinfection solution as claimed in claim 1, wherein: in the third step, the color contrast needs to be kept within a uniform room temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111614809.XA CN114280045A (en) | 2021-12-27 | 2021-12-27 | Effective chlorine concentration online detection method based on chlorine-containing disinfectant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111614809.XA CN114280045A (en) | 2021-12-27 | 2021-12-27 | Effective chlorine concentration online detection method based on chlorine-containing disinfectant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114280045A true CN114280045A (en) | 2022-04-05 |
Family
ID=80876130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111614809.XA Pending CN114280045A (en) | 2021-12-27 | 2021-12-27 | Effective chlorine concentration online detection method based on chlorine-containing disinfectant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114280045A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS612073A (en) * | 1984-06-14 | 1986-01-08 | Yokohama Metsukin Kogyo Kk | Method for measuring available chlorine in hypochlorite and indicator used therein |
| JPS6425042A (en) * | 1987-07-21 | 1989-01-27 | Tatsuta Densen Kk | Method for measuring residual chlorine in drained water |
| CN201148383Y (en) * | 2007-11-30 | 2008-11-12 | 南京圣源水处理技术有限公司 | Full-automatic total phosphorus on-line monitoring dosing system |
| CN106680228A (en) * | 2016-11-16 | 2017-05-17 | 凯铭科技(杭州)有限公司 | Method for quickly determining available chlorine in water by using ultraviolet-visible spectrophotometry |
| CN108178281A (en) * | 2018-02-11 | 2018-06-19 | 吉林建筑大学 | Handle the Fenton oxidation reactor automaton and method of lignite upgrading waste water |
| CN209086148U (en) * | 2018-09-17 | 2019-07-09 | 徐州瑞马智能技术有限公司 | Concentration on-line automatic detection device |
-
2021
- 2021-12-27 CN CN202111614809.XA patent/CN114280045A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS612073A (en) * | 1984-06-14 | 1986-01-08 | Yokohama Metsukin Kogyo Kk | Method for measuring available chlorine in hypochlorite and indicator used therein |
| JPS6425042A (en) * | 1987-07-21 | 1989-01-27 | Tatsuta Densen Kk | Method for measuring residual chlorine in drained water |
| CN201148383Y (en) * | 2007-11-30 | 2008-11-12 | 南京圣源水处理技术有限公司 | Full-automatic total phosphorus on-line monitoring dosing system |
| CN106680228A (en) * | 2016-11-16 | 2017-05-17 | 凯铭科技(杭州)有限公司 | Method for quickly determining available chlorine in water by using ultraviolet-visible spectrophotometry |
| CN108178281A (en) * | 2018-02-11 | 2018-06-19 | 吉林建筑大学 | Handle the Fenton oxidation reactor automaton and method of lignite upgrading waste water |
| CN209086148U (en) * | 2018-09-17 | 2019-07-09 | 徐州瑞马智能技术有限公司 | Concentration on-line automatic detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Rahman et al. | Electrolyzed water as a novel sanitizer in the food industry: current trends and future perspectives | |
| Venkitanarayanan et al. | Efficacy of electrolyzed oxidizing water for inactivating Escherichia coli O157: H7, Salmonella enteritidis, and Listeria monocytogenes | |
| Len et al. | Effects of storage conditions and pH on chlorine loss in electrolyzed oxidizing (EO) water | |
| Luo et al. | Determination of free chlorine concentrations needed to prevent Escherichia coli O157: H7 cross-contamination during fresh-cut produce wash | |
| CN105232574B (en) | Acidic electrolytic water and its production and use | |
| EP0247852A1 (en) | Process and apparatus for producing aqueous silver ion-containing solutions | |
| Rebezov et al. | Application of electrolyzed water in the food industry: a review | |
| CN109777639B (en) | Preparation for disinfecting and cleaning hard surface of air conditioner and general objects and preparation method thereof | |
| Xuan et al. | Storage stability of slightly acidic electrolyzed water and circulating electrolyzed water and their property changes after application | |
| US20150119245A1 (en) | Method for Producing Shelf Stable Hypochlorous Acid Solutions | |
| CA2588184A1 (en) | Detection of sterilisation vapour condensation point | |
| Tang et al. | Disinfection effect and its mechanism of electrolyzed oxidizing water on spores of Bacillus subtilis var. niger | |
| KR101725694B1 (en) | Peracetic acid type sterilizing composition solution and method for sterilizing containers | |
| CN111213651A (en) | Hypochlorous acid solution and application thereof | |
| Xiong et al. | The antifungal mechanism of electrolyzed oxidizing water against Aspergillus flavus | |
| Sibomana et al. | Influence of transportation conditions and postharvest disinfection treatments on microbiological quality of fresh market tomatoes (cv. Nemo-Netta) in a South African supply chain | |
| CN108993355B (en) | System for producing stable sterilization and disinfection solution | |
| Hassan et al. | Effects of treatment with electrolyzed oxidizing water on postharvest diseases of avocado | |
| Fenner et al. | The anti‐microbial activity of electrolysed oxidizing water against microorganisms relevant in veterinary medicine | |
| CN114280045A (en) | Effective chlorine concentration online detection method based on chlorine-containing disinfectant | |
| CN108902145A (en) | A kind of bactericidal composition and its preparation and application | |
| WO2020052249A1 (en) | Cleaning operation area microorganism control system and use method therefor | |
| CN1836518A (en) | Nanometer silver colloid preparation device and concentration estimation method | |
| CN114223669B (en) | Chlorine dioxide unitary disinfectant and preparation method and application thereof | |
| Baek et al. | Reduction of Escherichia coli on Surfaces of Utensils and Development of a Predictive Model as a Function of Concentration and Exposure Time of Chlorine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20220405 |