CN201130154Y - Hydroxy-group ethylidene 2-phosphonic acid active component analyzer - Google Patents
Hydroxy-group ethylidene 2-phosphonic acid active component analyzer Download PDFInfo
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- CN201130154Y CN201130154Y CNU2007200082134U CN200720008213U CN201130154Y CN 201130154 Y CN201130154 Y CN 201130154Y CN U2007200082134 U CNU2007200082134 U CN U2007200082134U CN 200720008213 U CN200720008213 U CN 200720008213U CN 201130154 Y CN201130154 Y CN 201130154Y
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Abstract
A hydroxy-ethidene diphosphoric acid active component analyzer relates to an analyzing device, in particular to an analyzer which is used to detect hydroxy-ethidene diphosphoric acid active components of common water stabilizer, and provides a hydroxy-ethidene diphosphoric acid active component analyzer which can automatically sample, analyze and display result, and can store and print data after connected with a computer. The analyzer is provided with a sampling device, a cleaning device, a stirring device, a reaction pool, an incident light source, a photoelectron exchanger, a detecting and controlling system and a RS-232 parallel interface, wherein the sampling device comprises a color-developing agent bottle, a titrant bottle, a sample bottle and a precise valve pump, the cleaning device comprises a cleaning agent bottle, a precise valve pump and a diaphragm pump, the stirring device is arranged on the bottom of the reacting pool, the incident light source and the photoelectron switcher are arranged on the two sides of the reacting pool, the detecting and the controlling system is a microcontroller with a central processor, an input keyboard and a liquid crystal display, and the RS-232 parallel interface which is used to connect the detecting and controlling system is a connecting port which is externally connected with the computer.
Description
Technical field
The utility model relates to a kind of analytical instrument, especially relates to a kind of analyser that is used to measure water quality stabilizer HEDP (HEDP) active component commonly used.
Background technology
HEDP (HEDP) is the principal ingredient of water quality stabilizer in the industrial circulating cooling water.In country and the former the Ministry of Chemical Industry standard, the assay method of HEDP product active component is the phosphomolybdic acid quinoline precipitation method and thorium nitrate compleximetry at present.The phosphomolybdic acid quinoline precipitation method are cleared up HEDP the form precipitation of the phosphate of back conversion with the phosphomolybdic acid quinoline, and this precipitation is after filtration, washing, dry back calculate with the total phosphorus form, deducts the phosphorus content in orthophosphoric acid and the phosphorous acid, promptly can be regarded as active component content.The detection sensitivity of this method is higher, but complex operation, time-consuming, and can't directly get rid of the interference of inorganic phosphate and other organic phosphate, and the difference of measured value that can only be by total phosphate and total inorganic phosphate be carried out limited correction.The thorium nitrate compleximetry is used for the detection for the product active constituent content in the laboratory, its advantage is to eliminate the interference of inorganic phosphate and other organic phosphate, directly measures the HEDP active component.But the detection sensitivity of this method and accuracy are lower, and in the process with thorium nitrate standard solution titration sample solution, solution colour is rose-red by the orange fuchsin that becomes then, is purplish red again, and color change is not obvious, and terminal point is permanent really to vary with each individual.And, bigger harm is arranged for operating personnel and environment because thorium is a radioelement.
(publication number: being indicator with the xylenol orange CN1670510A), is titrant with the lanthanum nitrate, the HEDP in the titrimetry sample in patented claim " detection method of HEDP ".Titration is initial, and HEDP and xylenol orange generate the glassy yellow complex compound, and along with the adding of lanthanum, the xylenol orange in this complex compound is replaced by lanthanum ion gradually; During titration end-point, excessive lanthanum and xylenol orange reaction generate the aubergine complex compound.For the HEDP solution of variable concentrations, the volume difference of the required lanthanum nitrate hexahydrate of titration end-point; According to standard working curve, can obtain the concentration of HEDP in the sample.
Summary of the invention
But the purpose of this utility model is to provide cover auto injection, analysis and a display result, can preserve behind the connection computing machine, the HEDP active component analyser of print data.
Described HEDP active component analyser is provided with sampling device, cleaning device, stirring apparatus, reaction tank, incident light source, photoelectric commutator, Detection ﹠ Controling system and RS-232 serial line interface, sampling device comprises the developer bottle, the titrant bottle, sample bottle and precision valve pump, cleaning device comprises the clean-out system bottle, precision valve pump and membrane pump, the developer bottle of sampling device, the titrant bottle, clean-out system bottle in sample bottle and precision valve pump and the cleaning device, the precision valve pump all is connected to the test solution and the reagent injection port on reaction tank top by the liquid sample channel, be used for testing sample, reagent etc. inject in the reaction tank, membrane pump is connected with the liquid discharge tube road that is arranged at the reaction tank bottom, is used to take away the cleaning fluid in the preceding reaction tank of sample analysis.Stirring apparatus is located at the reaction tank bottom, and stirring apparatus comprises magnet rotor and magnetic stirrer.Incident light source and photoelectric commutator are located at the reaction tank both sides respectively, are provided with focus lamp between incident light source and the reaction tank, to reduce light scattering.The Detection ﹠ Controling system is single-chip microcomputer and the input keyboard and the LCDs of band central processing unit, the single-chip microcomputer of band central processing unit is connected with photoelectric commutator, the electric signal of gathering is carried out digital processing, demonstration, and according to setting program clean automatically, sample introduction, titration and discharge opeing operation; Input keyboard and LCDs are used to import instrument parameter and display setting parameter and result of calculation, input keyboard and LCDs are connected in the RS-232 serial line interface of Detection ﹠ Controling system, the utility model can be connected with computing machine, transmit and reception order and data; Utilize the computer software control instrument carry out that standard model is measured, actual sample is measured, raw data is preserved with print outside, also can in course of reaction, draw in real time, whether normally carry out to judge reaction.
Described incident light source can be the high brightness single color LED, adds the Halogen lamp LED of optical filter or LASER Light Source etc.
Described photoelectric commutator can be photomultiplier or silicon photo diode etc.
Input keyboard is made of ten key and CLR, START/OFF, MENU, ENTER function key, the setting of can finish that the subscript fiducial mark is fixed, the subscript fiducial mark fixed, sample determination, critical concentration are set, regularly measure, titration being counted.
The utility model detects principle design according to the HEDP photometric titration, it is simple to operate, the automaticity height, do not need manually to measure sample or titrant, the precision valve pump that is adopted can accurately add certain volume solution, the deviation that at every turn adds volume of titrant in the titration process is below 1 μ L, and is quantitatively accurate, the precision height.Also the utility model can be connected with computing machine by the RS-232 serial line interface, transmit and reception order and data; Utilize the computer software control instrument to carry out that standard model is measured, actual sample is measured, raw data is preserved and print, also can in course of reaction, draw in real time, whether normally carry out to judge reaction.Promptly can be applicable to the analysis experiment that other is principle with the titration through changing light source and reagent, applied widely.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing the utility model is elaborated.
As shown in Figure 1, the utility model comprises sampling device, cleaning device, stirring apparatus, reaction tank, incident light source, photoelectric commutator, Detection ﹠ Controling system and RS-232 serial line interface.Developer bottle 2 in the sampling device, titrant bottle 3, sample bottle 4 and precision valve pump 5 are connected to the test solution and the reagent injection port on reaction tank 9 tops by the liquid sample channel.Cleaning device comprises clean-out system bottle 1, precision valve pump 5 and miniature diaphragm pump 6.Stirring apparatus is located at the reaction tank bottom, comprises magnet rotor 10 and magnetic stirrer 11.Incident light source 7 and photoelectric commutator 12 are located at the reaction tank both sides respectively, are provided with focus lamp 8 between incident light source and reaction tank, to reduce light scattering.The Detection ﹠ Controling system is central processing unit 13 and the input keyboard 15 and the LCDs 14 of a single-chip microcomputer.After instrument started, incident light source 7 sent monochromatic light, and line focus mirror 8 focuses on, and shines photoelectric commutator 12 by reaction tank 9, and the electric signal after the conversion imports the central processing unit 13 of single-chip microcomputer.The central processing unit 13 of single-chip microcomputer carries out standard model mensuration according to setting program (can import by input keyboard 15 or computing machine 17) or actual sample is measured.At first utilize precision valve pump 5 that the clean-out system in the clean-out system bottle 1 is injected reaction tank 9 during mensuration, reach set volume after, membrane pump 6 is taken the liquid in the reaction tank 9 away by the liquid discharge tube road that is arranged at the reaction tank bottom, repeated washing step 3 time.After last cleaning step finishes, precision valve pump 5 injects reaction tank 9 successively with developer in sample in the sample bottle 4 and the developer bottle 2 and buffering agent, precision valve pump 5 quantitatively injects reaction tank 9 one by one with the titrant in the sample bottle 3, magnet rotor 10 stirs under the effect of magnetic stirrer 11 simultaneously, guarantees that liquid mixing is even.The data of the each titration of central processing unit 13 records of single-chip microcomputer are carried out corresponding computing, and after titration finished, the result was presented on the LCDs 14.Also can data be sent to computing machine 17 by RS-232 serial line interface 16.
Claims (4)
1. HEDP active component analyser is characterized in that being provided with sampling device, cleaning device, stirring apparatus, reaction tank, incident light source, photoelectric commutator, Detection ﹠ Controling system and RS-232 serial line interface; Sampling device comprises developer bottle, titrant bottle, sample bottle and precision valve pump; Cleaning device comprises clean-out system bottle, precision valve pump and membrane pump, clean-out system bottle in the developer bottle of sampling device, titrant bottle, sample bottle and precision valve pump and the cleaning device, precision valve pump all are connected to the test solution and the reagent injection port on reaction tank top by the liquid sample channel, membrane pump be arranged at reaction tank bottom liquid discharge line and be connected; Stirring apparatus is located at the reaction tank bottom, comprises magnet rotor and magnetic stirrer; Incident light source and photoelectric commutator are located at the reaction tank both sides respectively, are provided with focus lamp between incident light source and the reaction tank; The Detection ﹠ Controling system is single-chip microcomputer and the input keyboard and the LCDs of band central processing unit, and the single-chip microcomputer of band central processing unit is connected with photoelectric commutator, and single-chip microcomputer carries out digital processing, demonstration and control operation program to the electric signal of gathering; Input keyboard, LCDs are connected with single-chip microcomputer, and the RS-232 serial line interface that is connected in the Detection ﹠ Controling system is the connector of external computing machine.
2. HEDP active component analyser as claimed in claim 1 is characterized in that described incident light source is a single color LED, adds the Halogen lamp LED or the LASER Light Source of optical filter.
3. HEDP active component analyser as claimed in claim 1 is characterized in that described photoelectric commutator is photomultiplier or silicon photo diode.
4. HEDP active component analyser as claimed in claim 1 is characterized in that input keyboard is made of ten key and CLR, START/OFF, MENU, ENTER function key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200082134U CN201130154Y (en) | 2007-09-10 | 2007-09-10 | Hydroxy-group ethylidene 2-phosphonic acid active component analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200082134U CN201130154Y (en) | 2007-09-10 | 2007-09-10 | Hydroxy-group ethylidene 2-phosphonic acid active component analyzer |
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| Publication Number | Publication Date |
|---|---|
| CN201130154Y true CN201130154Y (en) | 2008-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200082134U Expired - Fee Related CN201130154Y (en) | 2007-09-10 | 2007-09-10 | Hydroxy-group ethylidene 2-phosphonic acid active component analyzer |
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| CN (1) | CN201130154Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103592293A (en) * | 2012-08-15 | 2014-02-19 | 郭永平 | Water quality tester and control method thereof |
| CN104215588A (en) * | 2013-05-30 | 2014-12-17 | 上海勇规分析仪器有限公司 | Titration apparatus capable of adjusting titration and color inspection condition |
| CN108614069A (en) * | 2018-07-26 | 2018-10-02 | 山东省科学院生物研究所 | The assay method and device of phytase activity in a kind of phytase zymotic fluid |
-
2007
- 2007-09-10 CN CNU2007200082134U patent/CN201130154Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103592293A (en) * | 2012-08-15 | 2014-02-19 | 郭永平 | Water quality tester and control method thereof |
| CN103592293B (en) * | 2012-08-15 | 2016-03-30 | 郭永平 | The control method of water quality analyzer and water quality analyzer |
| CN104215588A (en) * | 2013-05-30 | 2014-12-17 | 上海勇规分析仪器有限公司 | Titration apparatus capable of adjusting titration and color inspection condition |
| CN108614069A (en) * | 2018-07-26 | 2018-10-02 | 山东省科学院生物研究所 | The assay method and device of phytase activity in a kind of phytase zymotic fluid |
| CN108614069B (en) * | 2018-07-26 | 2024-07-23 | 山东省科学院生物研究所 | Method and device for measuring phytase activity in phytase fermentation liquor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081008 Termination date: 20130910 |