CN107449856A - The titration method of dodecyl benzyl dimethyl ammonium chloride content in a kind of water - Google Patents
The titration method of dodecyl benzyl dimethyl ammonium chloride content in a kind of water Download PDFInfo
- Publication number
- CN107449856A CN107449856A CN201710814982.1A CN201710814982A CN107449856A CN 107449856 A CN107449856 A CN 107449856A CN 201710814982 A CN201710814982 A CN 201710814982A CN 107449856 A CN107449856 A CN 107449856A
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- CN
- China
- Prior art keywords
- ammonium chloride
- volumetric soiutions
- dimethyl ammonium
- chloride content
- water
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- 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.)
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/16—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using titration
Abstract
The present invention relates to a kind of titration method of dodecyl benzyl dimethyl ammonium chloride content in water, it is as follows that the method comprising the steps of：(1) using dimethyl sulfoxide (DMSO), ethyl acetate and absolute ethyl alcohol according to mass ratio be the ﹕ 2.5 of 1 ﹕ 1 mix after be used as dispersant, be then that 1 ﹕ 5 proportioning is added in volumetric soiutions by volume by dispersant and volumetric soiutions；(2) volumetric soiutions are maintained at 35 DEG C of constant temperature by the way of heating water bath.The inventive method can reduce the generation that bright red color lumps in titration process, make reaction complete, improve the accuracy of measure；The time that titration process is spent is reduced, improves detection efficiency.
Description
Technical field
The invention belongs to technical field of chemical detection, dodecyl benzyl dimethyl ammonium chloride content in particularly a kind of water
Titration method.
Background technology
Dodecyl benzyl dimethyl ammonium chloride (1227) belongs to quaternary ammonium salt surface active agent, is at industrial circulating cooling water
The bactericide commonly used in reason.Active matter content is the important indicator for influenceing its bactericidal effect.The measure side of 1227 active matter contents
Method is similar with quaternary ammonium salt.Existing chemical industry standard uses sodium tetraphenylborate precipitation active matter, is referred to dichlorofluorescein discoloration
Show the titration method of terminal to determine the active matter quality fraction of water treatment agent 1227.
But found during the application existing chemical industry standard actual measurement active matter content of water treatment agent 1227, in the liquid phase
When sediment is by bright red discoloration yellowly.It is readily formed bright red color caking or even sediment occurs, titration end-point is difficult to judge.
Because handsome red precipitate lumps, prevent sediment from, into terminal yellow, causing reaction incomplete completely by bright red discoloration, producing
Larger analytical error so that measurement result is inaccurate, and the active matter quality fractional value measured is relatively low, have impact on using standard
Accurate Determining of the method to 1227 active matter contents.
The content of the invention
The purpose of the present invention is in view of the shortcomings of the prior art, and to propose dodecyl dimethyl Benzylmagnesium chloride in a kind of water
The titration method of ammonium content.
The present invention solves its technical problem and takes following technical scheme to realize：
The titration method of dodecyl benzyl dimethyl ammonium chloride content in a kind of water, it is as follows that the method comprising the steps of：
(1) dispersant is added in volumetric soiutions according to a certain ratio；
(2) improve above-mentioned volumetric soiutions temperature and keep the constant temperature of titration process.
Moreover, the dispersant in the step (1) is that dimethyl sulfoxide (DMSO), ethyl acetate and absolute ethyl alcohol are according to mass ratio
The ﹕ 2.5 of 1 ﹕ 1 mixed solution.
Moreover, the specific method in the step (1) according to a certain ratio is：Volume between dispersant and volumetric soiutions
Than for 1 ﹕ 5.
Moreover, the specific method that volumetric soiutions temperature is improved in the step (2) is：Will drop by the way of heating water bath
Determine solution and be maintained at 35 DEG C of constant temperature.
The advantages and positive effects of the present invention are：
1st, the present invention can reduce the generation of bright red color caking, make reaction complete, improve the accuracy of measure；
2nd, the present invention can reduce the time that titration process is spent, and improve detection efficiency.
Embodiment
The embodiment of the present invention is further described below：It is emphasized that embodiment of the present invention is explanation
Property, rather than it is limited, therefore the present invention is not limited to the embodiment described in embodiment, it is every by this area
The other embodiment that technical staff's technique according to the invention scheme is drawn, also belongs to the scope of protection of the invention.
The titration method of dodecyl benzyl dimethyl ammonium chloride content in a kind of water, it is as follows that the method comprising the steps of：
(1) dispersant is added in volumetric soiutions according to proportioning；Solvation film can be formed, hinders particle close to each other,
Simultaneously when avoiding excessive concentration, it may appear that supersaturation absorption, dispersant, which can promote to be insoluble in the dispersates such as the solid particle of water, to exist
Homogeneous scattered can also prevent the sedimentation and cohesion of solid particle, solid-liquid of the dispersant adsorption in precipitation granule particles simultaneously in water
Interface, certain dispersion effect is played to precipitation particle.
Wherein, it is the mixed of the ﹕ 2.5 of 1 ﹕ 1 that the dispersant, which is dimethyl sulfoxide (DMSO), ethyl acetate and absolute ethyl alcohol according to mass ratio,
Close solution.
Wherein, it is described to be according to the specific method of proportioning：Volume ratio between dispersant and volumetric soiutions is 1 ﹕ 5.
(2) above-mentioned volumetric soiutions temperature is improved；To improve solution surface tension, the scattered effect of precipitate particles is lifted
Fruit.Also to avoid temperature is too high to cause complex operation and experiment dangerous simultaneously.
Wherein, the raising volumetric soiutions temperature is specially：Volumetric soiutions are maintained at 35 by the way of heating water bath
DEG C constant temperature.
Claims (4)
1. the titration method of dodecyl benzyl dimethyl ammonium chloride content in a kind of water, it is characterised in that the method comprising the steps of
It is as follows：
(1) dispersant is added in volumetric soiutions according to a certain ratio；
(2) improve above-mentioned volumetric soiutions temperature and keep the constant temperature of titration process.
2. the titration method of dodecyl benzyl dimethyl ammonium chloride content in water according to claim 1, its feature exist
In：Dispersant in the step (1) is that dimethyl sulfoxide (DMSO), ethyl acetate and absolute ethyl alcohol according to mass ratio are the ﹕ 2.5 of 1 ﹕ 1
Mixed solution.
3. the titration method of dodecyl benzyl dimethyl ammonium chloride content in water according to claim 1, its feature exist
In：Specific method in the step (1) according to a certain ratio is：Volume ratio between dispersant and volumetric soiutions is 1 ﹕ 5.
4. the titration method of dodecyl benzyl dimethyl ammonium chloride content in water according to claim 1, its feature exist
In：The specific method of raising volumetric soiutions temperature is in the step (2)：Volumetric soiutions are kept by the way of heating water bath
In 35 DEG C of constant temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710814982.1A CN107449856A (en) | 2017-09-12 | 2017-09-12 | The titration method of dodecyl benzyl dimethyl ammonium chloride content in a kind of water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710814982.1A CN107449856A (en) | 2017-09-12 | 2017-09-12 | The titration method of dodecyl benzyl dimethyl ammonium chloride content in a kind of water |
Publications (1)
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| CN107449856A true CN107449856A (en) | 2017-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201710814982.1A Pending CN107449856A (en) | 2017-09-12 | 2017-09-12 | The titration method of dodecyl benzyl dimethyl ammonium chloride content in a kind of water |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109239260A (en) * | 2018-10-23 | 2019-01-18 | 国网天津市电力公司电力科学研究院 | A kind of titration method for dodecyl benzyl dimethyl ammonium chloride content measurement in water |
Citations (3)
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| CN103306132A (en) * | 2012-03-15 | 2013-09-18 | 苏州捷迪纳米科技有限公司 | Carbon nano tube fiber-graphene composite material and preparation method of the same |
| CN103466603A (en) * | 2013-08-09 | 2013-12-25 | 中国科学院苏州纳米技术与纳米仿生研究所 | Preparation method of graphene dispersion liquid, and preparation method of graphene film |
| CN104983595A (en) * | 2015-06-27 | 2015-10-21 | 合肥九研医药科技开发有限公司 | Mouth wash and preparation method thereof |
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2017
- 2017-09-12 CN CN201710814982.1A patent/CN107449856A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103306132A (en) * | 2012-03-15 | 2013-09-18 | 苏州捷迪纳米科技有限公司 | Carbon nano tube fiber-graphene composite material and preparation method of the same |
| CN103466603A (en) * | 2013-08-09 | 2013-12-25 | 中国科学院苏州纳米技术与纳米仿生研究所 | Preparation method of graphene dispersion liquid, and preparation method of graphene film |
| CN104983595A (en) * | 2015-06-27 | 2015-10-21 | 合肥九研医药科技开发有限公司 | Mouth wash and preparation method thereof |
Non-Patent Citations (2)
| Title |
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| 吴文桢等: "低碳链季铵盐定量分析方法的改进", 《化学工程》 * |
| 周桃玉等: "水处理剂1227活性物含量测定方法的改进", 《工业水处理》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109239260A (en) * | 2018-10-23 | 2019-01-18 | 国网天津市电力公司电力科学研究院 | A kind of titration method for dodecyl benzyl dimethyl ammonium chloride content measurement in water |
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Application publication date: 20171208 |
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| RJ01 | Rejection of invention patent application after publication |