CN108627607A - A method of analysis ammonium ion concentration - Google Patents
A method of analysis ammonium ion concentration Download PDFInfo
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- CN108627607A CN108627607A CN201810242208.2A CN201810242208A CN108627607A CN 108627607 A CN108627607 A CN 108627607A CN 201810242208 A CN201810242208 A CN 201810242208A CN 108627607 A CN108627607 A CN 108627607A
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- ammonium ion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/96—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation using ion-exchange
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Abstract
The present invention provides a kind of methods of analysis ammonium ion concentration, are analyzed applied to the ammonium ion in solution to be measured；Including following steps：One first analysis model is built according to the peak area of the concentration of the ammonium ion in each first standard solution and ammonium ion；One second analysis model is built according to the peak area of the concentration of the ammonium ion in each second standard solution and ammonium ion；Obtain the peak area of the ammonium ion in appearance liquid to be measured, a corresponding analysis model is selected in the first analysis model and the second analysis model according to the range of the peak area of solution to be measured, and the concentration of the ammonium ion in solution to be measured is obtained by the analysis model analysis of selection.The advantageous effect of its technical solution is that the method by taking piecewise analysis solution ammonium ion concentration to be measured overcomes in the prior art, the problem of carrying out ammonium ion analysis operation complexity to solution to be measured and be easy to bring pollution.
Description
Technical field
The present invention relates to the technical field of ion concentration test more particularly to a kind of methods of analysis ammonium ion concentration.
Background technology
The existing analysis method for weighing ammonium ion is by ion chromatograph, by preparing certain density standard
Solution carries out quantitative analysis to establish an external standard curve.
For example, establishing an external standard straight line passes through external standard line analysis solution to be measured, in the low concentration range, linear coefficient
Reaching 99.9%, the rate of recovery of ammonium ion reaches 99%, therefore can directly carry out quantitative analysis in the low concentration range, but
In high concentration range, the linear decision coefficient of external standard straight line is only 98.7%, and 98.7% do not meet in industry as defined in
Requirement more than 99.5%, the rate of recovery is relatively low, and only 70% or so.It is another to have by establishing external standard curve analysis solution to be measured,
Although the rate of recovery and linearly all being met the requirements in high concentration range, linearly there was only 98.2% in low strength range, return
Yield is only 50%.
The method generally use of existing detection establishes external standard straight line, then the ammonium root in low concentration directly to solution to be measured
Ion carries out quantitative analysis, and is diluted to sample in high concentration range, is then diluted to low concentration and is quantitatively divided
Analysis, but this complicated for operation and solution easily brings pollution.
Invention content
It above-mentioned is asked for existing to the ammonium ion analysis in solution to be measured within the scope of various concentration in the prior art
Topic, now provide it is a kind of be intended in different concentration ranges, two kinds of analysis models are established by segmentation, are obtaining solution to be measured
In ammonium ion peak area after obtained by analysis model solution to be measured ammonium ion concentration method.
Specific technical solution is as follows：
A method of analysis ammonium ion concentration is analyzed applied to the ammonium ion in solution to be measured；Its
In, monoammonium ion concentration is provided in multiple first standard solution and monoammonium ion concentration of the first concentration range
Multiple second standard solution of two concentration ranges, include the following steps：
Step S1, the ammonium ion in multiple first standard solution is detected, to obtain each described first
The peak area of the ammonium ion in standard solution；
Step S2, according to the concentration of the ammonium ion in each first standard solution and ammonium ion
Peak area builds one first analysis model；
Step S3, the ammonium ion in multiple second standard solution is detected, to obtain each described second
The peak area of the ammonium ion in standard solution；
Step S4, according to the concentration of the ammonium ion in each second standard solution and ammonium ion
Peak area builds one second analysis model；
Step S5, the peak area to be measured for holding the ammonium ion in liquid is obtained, according to the peak of the solution to be measured
The range of area selects a corresponding analysis model in first analysis model and second analysis model, passes through choosing
The analysis model analysis selected obtains the concentration of the ammonium ion in the solution to be measured.
Preferably, second concentration range is more than first concentration range.
Preferably, the solution to be measured is the solution comprising ammonium ion.
Preferably, first concentration range of ammonium ion described in first standard solution is in 0-50ppb.
Preferably, second concentration range of ammonium ion described in second standard solution is in 50-500ppb.
Preferably, an ion chromatograph is provided, is obtained in first standard solution by ion chromatograph detection
The ammonium ion concentration and peak area, and/or
Obtained by the ion chromatograph detection ammonium ion in second standard solution concentration and
Peak area.
Preferably, first analysis model is about primary between the concentration and peak area of the ammonium ion
Equation.
Preferably, second analysis model is about secondary between the concentration and peak area of the ammonium ion
Equation.
Above-mentioned technical proposal has the following advantages that or advantageous effect：By providing the standard solution of various concentration range, build
Vertical two kinds of analysis models are obtained after the peak area of the ammonium ion in obtaining solution to be measured by analysis model to be measured molten
The concentration of the ammonium ion of liquid, the method by taking piecewise analysis solution ammonium ion concentration to be measured, overcomes the prior art
In, the problem of carrying out ammonium ion analysis operation complexity to solution to be measured and be easy to bring pollution.
Description of the drawings
With reference to appended attached drawing, more fully to describe the embodiment of the present invention.However, appended attached drawing is merely to illustrate
And elaboration, and be not meant to limit the scope of the invention.
Fig. 1 is a kind of flow chart of the embodiment of the method for analysis ammonium ion concentration of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all under the premise of not making creative work
Other embodiment shall fall within the protection scope of the present invention.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The invention will be further described in the following with reference to the drawings and specific embodiments, but not as limiting to the invention.
Technical scheme of the present invention includes a kind of method of analysis ammonium ion concentration.
A kind of embodiment of the method for analysis ammonium ion concentration, is applied to carry out the ammonium ion in solution to be measured
Analysis；Wherein, monoammonium ion concentration is provided in multiple first standard solution of the first concentration range and an ammonium ion
Concentration the second concentration range multiple second standard solution, as shown in Figure 1, including the following steps：
Step S1, the ammonium ion in multiple first standard solution is detected, to obtain each first standard solution
In ammonium ion peak area；
Step S2, according to the peak area structure of the concentration of the ammonium ion in each first standard solution and ammonium ion
Build one first analysis model；
Step S3, the ammonium ion in multiple second standard solution is detected, to obtain each second standard solution
In ammonium ion peak area；
Step S4, according to the peak area structure of the concentration of the ammonium ion in each second standard solution and ammonium ion
Build one second analysis model；
Step S5, obtain it is to be measured hold liquid in ammonium ion peak area, according to the range of the peak area of solution to be measured in
A corresponding analysis model is selected in first analysis model and the second analysis model, is analyzed and is obtained by the analysis model of selection
The concentration of ammonium ion in solution to be measured.
For in the prior art, to by same relation formula, analyzing the solution to be measured of various concentration range, leading
It causes analysis result quite different and the ammonium ion concentration in the prior art in solution to be measured carries out quantitative analysis and deposits
It is complicated for operation and the problem of easily cause environmental pollution.
In the present invention, first against the standard solution of various concentration range, corresponding analysis model is established, such as first
The first analysis model is established in concentration range, wherein the range of the peak area of the first concentration range one ammonium ion of correspondence, and
The second analysis model is established in second concentration range, wherein the second concentration range corresponds to the range of the peak area of an ammonium ion；
After the peak area of the ammonium ion during detection obtains solution to be measured, according to the ammonium ion in solution to be measured
Peak area select corresponding analysis model, the ammonium ion in solution to be measured is obtained by the corresponding analysis model of selection
Concentration.
Wherein, it should be noted that above-mentioned peak area refers to the content of ammonium ion in solution, area is bigger, contains
Amount is higher.
In a kind of preferably embodiment, the second concentration range is more than the first concentration range.
In a kind of preferably embodiment, solution to be measured is the solution comprising ammonium ion.
In a kind of preferably embodiment, the first concentration range of ammonium ion is in 0- in the first standard solution
50ppb。
In a kind of preferably embodiment, the second concentration range of ammonium ion is in 50- in the second standard solution
500ppb。
In a kind of preferably embodiment, an ion chromatograph is provided, the first mark is obtained by ion chromatograph detection
The concentration and peak area of ammonium ion in quasi- solution.
In above-mentioned technical proposal, the method for obtaining the peak area in the first standard solution, is by within a unit interval
The electric conductivity value in the second standard solution is measured, then electric conductivity value is obtained and the ratio between the unit interval, the ratio then indicates table
Show the peak area of ammonium ion.
In a kind of preferably embodiment, an ion chromatograph is provided, the second mark is obtained by ion chromatograph detection
The concentration and peak area of ammonium ion in quasi- solution.
In above-mentioned technical proposal, the method for obtaining the peak area in the second standard solution, is by within a unit interval
The electric conductivity value in the second standard solution is measured, then electric conductivity value is obtained and the ratio between the unit interval, the ratio then indicates table
Show the peak area of ammonium ion.
In a kind of preferably embodiment, the first analysis model be about ammonium ion concentration and peak area it
Between simple equation.
In a kind of preferably implementation, the second analysis model is about between the concentration and peak area of ammonium ion
Quadratic equation.
It is illustrated below with a kind of specific embodiment, obtains multiple first standard solution of the first concentration range,
And each ammonium ion concentration and peak area are as shown in table 1 below：
Table 1
Wherein, std1, std2, std3, std4, std5 indicate 5 various concentrations the first standard solution, according to std1,
The concentration and peak area of std2, std3, std4, std5 and its corresponding ammonium ion establish the first analysis model,
I.e. simple equation is as follows：
Y=0.0359X+0.1154；Wherein, X indicates that the concentration of ammonium ion, Y indicate the peak area of ammonium ion；
Multiple second standard solution of the second concentration range are obtained, and each ammonium ion concentration and peak area are such as
Shown in the following table 2：
Table 2
Wherein, std1, std2, std3, std4, std5, std6 indicate the second standard solution of 6 various concentrations, according to
The concentration and peak area of std1, std2, std3, std4, std5, std6 and its corresponding ammonium ion establish second
Analysis model, i.e. quadratic equation are as follows：
Y=-0.00001X2+0.0216X+0.8969；Wherein, X indicates that the concentration of ammonium ion, Y indicate ammonium ion
Peak area.
After obtaining the first analysis model and the second analysis model, detection obtains the ammonium ion in solution to be measured
Peak area, corresponding analysis model is selected according to the peak area of the ammonium ion in solution to be measured, passes through the corresponding of selection
Analysis model obtains the concentration of the ammonium ion in solution to be measured.
The foregoing is merely preferred embodiments of the present invention, are not intended to limit embodiments of the present invention and protection model
It encloses, to those skilled in the art, should can appreciate that all with made by description of the invention and diagramatic content
Equivalent replacement and obviously change obtained scheme, should all be included within the scope of the present invention.
Claims (8)
1. a kind of method of analysis ammonium ion concentration, is analyzed applied to the ammonium ion in solution to be measured；Its feature
It is, multiple first standard solution and monoammonium ion concentration for providing monoammonium ion concentration in the first concentration range exist
Multiple second standard solution of second concentration range, include the following steps：
Step S1, the ammonium ion in multiple first standard solution is detected, to obtain each first standard
The peak area of the ammonium ion in solution；
Step S2, according to the peak area of the concentration of the ammonium ion in each first standard solution and ammonium ion
Build one first analysis model；
Step S3, the ammonium ion in multiple second standard solution is detected, to obtain each second standard
The peak area of the ammonium ion in solution；
Step S4, according to the peak area of the concentration of the ammonium ion in each second standard solution and ammonium ion
Build one second analysis model；
Step S5, the peak area to be measured for holding the ammonium ion in liquid is obtained, according to the peak area of the solution to be measured
Range a corresponding analysis model is selected in first analysis model and second analysis model, pass through the institute of selection
State the concentration that analysis model analysis obtains the ammonium ion in the solution to be measured.
2. according to the method described in claim 1, it is characterized in that, second concentration range is more than the first concentration model
It encloses.
3. according to the method described in claim 1, it is characterized in that, the solution to be measured is the solution comprising ammonium ion.
4. according to the method described in claim 1, it is characterized in that, ammonium ion described in first standard solution it is described
First concentration range is in 0-50ppb.
5. according to the method described in claim 1, it is characterized in that, ammonium ion described in second standard solution it is described
Second concentration range is in 50-500ppb.
6. according to the method described in claim 1, it is characterized in that, one ion chromatograph of offer, passes through the ion chromatograph
Detection obtains the concentration and peak area of the ammonium ion in first standard solution, and/or
Concentration and the peak face of the ammonium ion in second standard solution are obtained by ion chromatograph detection
Product.
7. according to the method described in claim 1, it is characterized in that, first analysis model is about the ammonium ion
Simple equation between concentration and peak area.
8. according to the method described in claim 1, it is characterized in that, second analysis model is about the ammonium ion
Quadratic equation between concentration and peak area.
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| CN201810242208.2A CN108627607A (en) | 2018-03-22 | 2018-03-22 | A method of analysis ammonium ion concentration |
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| CN201810242208.2A CN108627607A (en) | 2018-03-22 | 2018-03-22 | A method of analysis ammonium ion concentration |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296944A (en) * | 2019-04-30 | 2019-10-01 | 宁波普瑞柏生物技术股份有限公司 | A method of improving immunoturbidimetry detection sensitivity and linear |
| CN110749708A (en) * | 2019-11-29 | 2020-02-04 | 北京市环境保护科学研究院 | Method for detecting content of volatile organic compounds in daily consumer product |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104569019A (en) * | 2015-01-20 | 2015-04-29 | 铜陵有色金属集团股份有限公司金冠铜业分公司 | Method for measuring content of metal elements in copper anode mud |
| CN105881797A (en) * | 2015-02-17 | 2016-08-24 | 住友化学株式会社 | Method for producing polyvinyl alcohol-based resin film and method for producing polarizing film |
-
2018
- 2018-03-22 CN CN201810242208.2A patent/CN108627607A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104569019A (en) * | 2015-01-20 | 2015-04-29 | 铜陵有色金属集团股份有限公司金冠铜业分公司 | Method for measuring content of metal elements in copper anode mud |
| CN105881797A (en) * | 2015-02-17 | 2016-08-24 | 住友化学株式会社 | Method for producing polyvinyl alcohol-based resin film and method for producing polarizing film |
Non-Patent Citations (2)
| Title |
|---|
| 房宁 等: "离子色谱法测定奶粉中蛋白质氮、钠、钾、钙及镁", 《理化检验-化学分册》 * |
| 李红华 等: "工作场所空气中氨的离子色谱测定方法", 《实用预防医学》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296944A (en) * | 2019-04-30 | 2019-10-01 | 宁波普瑞柏生物技术股份有限公司 | A method of improving immunoturbidimetry detection sensitivity and linear |
| CN110749708A (en) * | 2019-11-29 | 2020-02-04 | 北京市环境保护科学研究院 | Method for detecting content of volatile organic compounds in daily consumer product |
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