CN101782492A - Method for determining volume fraction of single component in two-component mixed solution through density detection - Google Patents
Method for determining volume fraction of single component in two-component mixed solution through density detection Download PDFInfo
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- CN101782492A CN101782492A CN 201010131410 CN201010131410A CN101782492A CN 101782492 A CN101782492 A CN 101782492A CN 201010131410 CN201010131410 CN 201010131410 CN 201010131410 A CN201010131410 A CN 201010131410A CN 101782492 A CN101782492 A CN 101782492A
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Abstract
The invention relates to a method for determining volume fraction of single component in two-component mixed solution through density detection. By the method, a linear equation between the volume fraction of one component in the two-component mixed solution and the density of the mixed solution is calculated through experiment, and then the volume fraction of one component in the mixed solution is calculated by testing the density of the mixed solution. The method comprises the following steps: 1, selecting experimental instruments; 2, selecting experimental materials; and 3, performing operation steps of: (1) testing the density of a component A and a component B; (2) preparing a series of mixed solution with the component A and the component B in different volume ratios; (3) mixing the prepared solution well and performing density test; (4) performing data processing, analyzing the relevance between the volume fraction of the component A or the component B and the density of the mixed solution, making a standard curve and obtaining the linear equation; and (5) placing the density value obtained through test into the linear equation to work out the volume fraction of the component A or the component B. the method has the advantage of facilitating rapid detection during production with significant effect.
Description
Technical field
The present invention relates to a kind of method that detects the liquor capacity mark, particularly a kind ofly detect the method that density is determined one-component volume fraction in the two component mixed solutions.
Background technology
At present, the two component mixed solutions of buying from the outside that manufacturing enterprise uses lack the detection means of simple and fast before use, the volume fraction that can not guarantee the two component mixed solution one-components bought can satisfy the requirement in the production, therefore need find out a kind of simply, detection method is carried out Quality Detection to the two component mixed solutions that use efficiently, eliminates the defective influence that causes company's product quality of product quality that the supplier provides.
In actual production process, if the volume fraction of one-component will not influence the cleaning performance that cleans engineering in the mixed solution in the management expectancy restricted portion, can directly influence the quality of product when serious, reduce the quality of product, the brand image of infringement company.Therefore the strict volume fraction of holding one-component in the mixed solution has very important significance for stabilized product quality.
Therefore, provide a kind of and be fit to be applied to manufacturing enterprise and carry out the method for quality-screening, will become one of these those skilled in the art problem anxious to be addressed for the volume fraction of one-component the two component mixed solutions of buying from the outside.
Summary of the invention
The objective of the invention is to overcome above-mentioned weak point, provide a kind of simple and practical detection density to determine the method for one-component volume fraction in the two component mixed solutions.
Implementation of the present invention is as follows for achieving the above object: a kind ofly detect the method that density is determined one-component volume fraction in the two component mixed solutions, it is characterized in that:
To two component mixed solution A+B, press the mixed solution of different volumes than a series of A of configuration and B; The density of test mixing solution derives the linear equation between the volume fraction x of the density y of mixed solution and A, again the volume fraction x by A in the density calculation mixed solution that detects mixed solution.
Promptly draw the volume fraction of mixed solution, concrete implementation step bag by the density that detects mixed solution
Draw together:
One, select experimental apparatus:
Densitometer;
Two, select experiment material:
Select its two kinds of single component composition A and B according to detecting two component mixed solutions;
Three, operation steps:
(1) gets two kinds of single component solution of A and B, respectively it is carried out density measurement with densitometer;
(2), press different volumes than a series of A of configuration and B group according to range of management to mixed solution
The mixed solution that divides;
(3) solution with configuration mixes, and carries out density measurement;
(4) carry out data processing, analyze the volume fraction of A component (or B component) and the correlativity of mixed liquor density, make typical curve, draw linear equation;
(5) density value that will test gained is brought linear equation into, calculates the volume fraction of A or B component.
The invention has the beneficial effects as follows: the present invention is by the volume fraction of wherein a kind of component of analysis two component mixed solutions and the relation between the mixed solution density, draw linear equation, calculate the volume fraction of two components by the densitometer of test mixing solution, whether satisfy production requirement with the quality of judging mixed solution.This method simple and fast, fast detecting in being easy to produce is effectively prevented the generation of bad product.
The method of the density calculation volume fraction by test mixing solution has following advantage:
(1) the sample configuration is easy, and density measurement is simple.
(2) linear equation is calculated simple.
(3) the application experiment apparatus structure is simple, is convenient to operation, detects accurate efficient height, and densitometer is cheap, reduce to detect cost, and is applicable to the production scene test, uses very extensively, is suitable for industrialized production more.
Description of drawings
Fig. 1 is a process flow diagram of the present invention;
Fig. 2 is the volume of toluene mark that exemplifies of the present invention and the canonical plotting of mixed solution density.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to foundation embodiment provided by the invention, feature
Details are as follows:
Referring to Fig. 1, Fig. 2, a kind ofly detect the method that density is determined one-component volume fraction in the two component mixed solutions, press the mixed solution of different volumes than a series of A of configuration and B component; The density of test mixing solution is calculated the volume fraction of mixed solution and the linear equation between the density, again by detecting the counter volume fraction of releasing mixed solution of density of mixed solution.
This utilizes the method for test mixing solution density volume calculated mark, and implementation step comprises:
One, select experimental apparatus:
Densitometer: the instrument of test liquid density.
Two, select experiment material:
The single component solution of the two component mixed solutions that selection will be estimated (for example toluene and absolute ethyl alcohol):
Three, operation steps:
(1) gets two kinds of single component solution of absolute ethyl alcohol and toluene, respectively it is carried out density measurement with densitometer;
(2) mixed solution of configuration absolute ethyl alcohol and toluene: the volume ratio of absolute ethyl alcohol and toluene is 1:1～1:10;
(3) solution with configuration mixes, and carries out density measurement, and each sample determination twice is averaged;
(4) data processing is analyzed the volume fraction of toluene and the correlativity of mixed solution density, derives linear equation, and result of calculation is y (mixed liquor density)=0.792698+0.0707045x (volume fraction of toluene);
(5) according to the volume fraction scope of production management, calculate the density range of mixed solution, confirm by the test mixing solution density whether its quality meets the demands again.
The mixed solution that the foregoing description adopts requires the volume fraction ratio of toluene 80% ± 3%, the volume fraction that is toluene is to satisfy the management expectancy of company at 77.6%～82.4% o'clock, bring the volume fraction value of management qualification into linear equation and get density value, then meet the management expectancy of company mixed solution at 0.8476～0.8510 o'clock.
The present invention presses the mixed solution of different volumes than a series of A of configuration and B component; The density of test mixing solution, calculate the volume fraction of mixed solution and the linear equation between the density, (mixed solution of different component draws different linear equations routinely) is again by detecting the counter wherein volume fraction of one-component of mixed solution of releasing of density of mixed solution.
Above-mentionedly with reference to embodiment this detection density being determined the detailed description that the method for one-component volume fraction in the two component mixed solutions is carried out, is illustrative rather than determinate; Therefore in the variation and the modification that do not break away under the general plotting of the present invention, should belong within protection scope of the present invention.
Claims (1)
1. one kind is detected the method that density is determined one-component volume fraction in the two component mixed solutions, it is characterized in that:
Press the mixed solution of different volumes than a series of A of configuration and B component; The density of test mixing solution is calculated the volume fraction of mixed solution and the linear equation between the density, again by detecting the counter volume fraction of releasing mixed solution of density of mixed solution;
Draw the volume fraction of mixed solution by the density that detects mixed solution, concrete implementation step comprises:
One, select experimental apparatus:
Densitometer;
Two, select experiment material:
Select its two kinds of single component composition A and B according to detecting two component mixed solutions;
Three, operation steps:
(1) gets two kinds of single component solution of A and B, respectively it is carried out density measurement with densitometer;
(2) press the mixed solution of different volumes than a series of A of configuration and B component;
(3) solution with configuration mixes, and carries out density measurement;
(4) carry out data processing, analyze A or the volume fraction of B component and the correlativity of mixed liquor density, do
Go out typical curve, draw linear equation;
(5) density value that will test gained is brought linear equation into, calculates the volume fraction of A or B component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201010131410 CN101782492A (en) | 2010-03-24 | 2010-03-24 | Method for determining volume fraction of single component in two-component mixed solution through density detection |
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| CN 201010131410 CN101782492A (en) | 2010-03-24 | 2010-03-24 | Method for determining volume fraction of single component in two-component mixed solution through density detection |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102156083A (en) * | 2011-03-11 | 2011-08-17 | 长乐恒申合纤科技有限公司 | Method for testing content of titanium dioxide suspension |
| CN102252941A (en) * | 2011-06-16 | 2011-11-23 | 范义春 | Method for measuring content of chromic anhydride in chromium plating solution |
| CN103091203A (en) * | 2011-10-27 | 2013-05-08 | 中国钢铁股份有限公司 | Method for on-line detecting content of ferrous ions in concentrated acid |
| CN108613898A (en) * | 2016-12-09 | 2018-10-02 | 中国石油天然气股份有限公司 | The determination method and apparatus of heavy oil wells light oil mixing amount |
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| CN1699958A (en) * | 2005-05-24 | 2005-11-23 | 上海理工大学 | Digital system for solution concentration measurement |
| CN201222027Y (en) * | 2008-07-16 | 2009-04-15 | 温武才 | On-line automatic detection apparatus for liquid concentration |
| CN101587052A (en) * | 2009-06-15 | 2009-11-25 | 浙江大学 | Device and method for testing density, concentration and thickness based on X-ray |
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2010
- 2010-03-24 CN CN 201010131410 patent/CN101782492A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1699958A (en) * | 2005-05-24 | 2005-11-23 | 上海理工大学 | Digital system for solution concentration measurement |
| CN201222027Y (en) * | 2008-07-16 | 2009-04-15 | 温武才 | On-line automatic detection apparatus for liquid concentration |
| CN101587052A (en) * | 2009-06-15 | 2009-11-25 | 浙江大学 | Device and method for testing density, concentration and thickness based on X-ray |
Non-Patent Citations (1)
| Title |
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| 《化学推进剂与高分子材料》 20051231 王万远 等 用密度计和温度计快速测定高氯酸铵溶液浓度 38-40 1 第3卷, 第3期 2 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102156083A (en) * | 2011-03-11 | 2011-08-17 | 长乐恒申合纤科技有限公司 | Method for testing content of titanium dioxide suspension |
| CN102252941A (en) * | 2011-06-16 | 2011-11-23 | 范义春 | Method for measuring content of chromic anhydride in chromium plating solution |
| CN102252941B (en) * | 2011-06-16 | 2017-09-22 | 常州钇金环保科技有限公司 | The method for detecting chromic anhydride content in Cr-plating Bath |
| CN103091203A (en) * | 2011-10-27 | 2013-05-08 | 中国钢铁股份有限公司 | Method for on-line detecting content of ferrous ions in concentrated acid |
| CN103091203B (en) * | 2011-10-27 | 2015-08-12 | 中国钢铁股份有限公司 | The method of the ferrous ion content in on-line checkingi gelled acid |
| CN108613898A (en) * | 2016-12-09 | 2018-10-02 | 中国石油天然气股份有限公司 | The determination method and apparatus of heavy oil wells light oil mixing amount |
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