CN106841182A - Simultaneously and rapidly monitor the on-line computing model and method of silicate and phosphate radical in water - Google Patents
Simultaneously and rapidly monitor the on-line computing model and method of silicate and phosphate radical in water Download PDFInfo
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- CN106841182A CN106841182A CN201611246753.6A CN201611246753A CN106841182A CN 106841182 A CN106841182 A CN 106841182A CN 201611246753 A CN201611246753 A CN 201611246753A CN 106841182 A CN106841182 A CN 106841182A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
Abstract
A kind of on-line computing model for providing silicate and phosphate radical in simultaneously and rapidly monitoring water of the invention, the on-line computing model includes chemical stream, and the control system for controlling chemical stream；The on-line monitoring method, it is in acid condition, silicate and phosphate radical all generate the complex compound of molybdenum yellow and phosphorus the molybdenum Huang of yellow with ammonium molybdate reaction, silicate and phosphate concentration summation are obtained by detection and analysis, add citric acid, the yellow complex compound of phosphorus molybdenum will be decomposed, and the concentration for drawing independent silicate is tested and analyzed with this, and the concentration of silicate and phosphate radical in sample is respectively obtained successively.The present invention is once chemically reacted with a monitoring system, and the content of phosphate radical and silicate in solution is calculated by surveying the absorbance of different step.Because two kinds of elements of measurement have only used a set of reaction and detection part, the purchase cost for so reducing, maintenance cost reduces the usage amount of reagent, reduces the probability of error；And save installing space.
Description
Technical field
The invention belongs to the device of silicate and phosphate radical in automatic on-line monitoring water, it is particularly suitable for Fast synchronization monitoring
The on-line computing model and method of silicate and phosphate radical in water.
Background technology
In the prior art, there is the analyzer for monitoring silicate and phosphate radical simultaneously, Fig. 1 is its schematic diagram.This analysis
Instrument has two sets of colorimetric pools and photometric detection device, and by silicate and phosphate radical, each chemical stream enters into ratio to water sample respectively
Color pond is measured by adding respective chromogenic reaction reagent again, actually control simply two instruments and display part diversity
It is combined, the stream and computational methods to the measurement of phosphate radical and silicate are not improved.Distinguish reagent adding to two
In individual reaction detection device, measure twice, then shown on same display.It is substantially simple a silicate
Analyzer and a phosphate analytical instrument simply merge what is got.Such analyzer is actually needed the sample difference to gathering
Carry out a silicate monitoring and a phosphate radical monitoring is combined the result monitored twice and obtains a result, thus it is time-consuming
Chemical reagent is wasted, error probability is high.
The content of the invention
It is an object of the invention to provide silicate and phosphate radical in a kind of simultaneously and rapidly monitoring water on-line computing model and
Method, it can be able to obtain silicate and phosphate radical monitoring result by once chemically reacting.
Realize the technical scheme of the object of the invention：The on-line monitoring of silicate and phosphate radical in a kind of simultaneously and rapidly monitoring water
Instrument, the on-line computing model includes chemical stream, and the control system for controlling chemical stream；Described chemical stream includes measurement
Pond, the pipeline being connected with measuring cell, and the peristaltic pump set on pipeline；Wherein, water sample and several reagent by with
The pipeline of measuring cell connection, peristaltic pump enter measuring cell, while several magnetic valves are additionally provided with the pipeline, by magnetic valve control
Make different reagents and enter measuring cell when different；
Described control system includes computer system, the input block being connected with computer system, output unit, screen
Display unit, photometric detection unit and power supply；Wherein, input block is contact action, and controlization is input into computer system
Learn the work order of stream；Computer system will control the work order of chemical stream to deliver to chemical stream by output unit,
Simultaneously in screen display unit display working condition；Photometric detection unit is after the work order for receiving computer system to surveying
Amount pond carries out photometric detection, while testing result is delivered into computer system.
The on-line computing model of silicate and phosphate radical, connects with measuring cell in a kind of simultaneously and rapidly monitoring water as described above
The magnetic valve for being passed through air is set on the pipeline for connecing, by air stirring so that water sample and reagent are thoroughly mixed；Go out in measuring cell
Drain valve is set on mouth pipeline.
The on-line computing model of silicate and phosphate radical, described control system in a kind of simultaneously and rapidly monitoring water as described above
System is provided with the relay of multichannel independence as output switch parameter, for the long-range connection upper limit, lower limit alarm lamp；When sample in measuring cell
When concentration exceedes the upper limit or the lower limit less than setting of setting, the actuating of relay makes the closing of contact, sends alarm signal.
The on-line computing model of silicate and phosphate radical in a kind of simultaneously and rapidly monitoring water as described above, described water sample and
Several reagent enters measuring cell by the pipeline that is connected with measuring cell, peristaltic pump, while being additionally provided with several on the pipeline
Magnetic valve, measuring cell is entered by solenoid valve control difference reagent when different；Specifically, on the pipeline being connected with measuring cell also
With the branch road for each leading into sulfuric acid or hydrochloric acid reagent, molybdic acid ammonium reagent, lemon acid reagent, sulfuric acid or hydrochloric acid reagent are being passed through
The valve of reagent 1 is set on branch road, the setting valve of reagent 2 on the branch road of molybdic acid ammonium reagent is being passed through, the branch road of lemon acid reagent is being passed through
The upper setting valve of reagent 3；The valve of reagent 1 is opened, sulfuric acid or hydrochloric acid reagent enter measuring cell by pipeline；Open the valve of reagent 2, ammonium molybdate
Reagent enters measuring cell by pipeline；The valve of reagent 3 is opened, lemon acid reagent enters measuring cell by pipeline.
The on-line monitoring method of silicate and phosphate radical in a kind of simultaneously and rapidly monitoring water of the present invention, it is included such as
Lower step：
The first step, the water sample containing silicate and phosphate radical enters measurement by the pipeline that is connected with measuring cell, peristaltic pump
Pond, to realize the cleaning to chemical stream；
Second step, the quantitative water sample containing silicate and phosphate radical enters measuring cell, control system control by peristaltic pump
The absorbance of solution, is designated as A0 in photometric detection unit detection measuring cell processed, used as the baseline that this water sample is measured；
3rd step, opens the valve of reagent 1 on pipeline, and sulfuric acid or hydrochloric acid reagent enter measuring cell by pipeline, and stirring waits 1
Chemically react within~5 minutes；
4th step, opens the valve of reagent 2 on pipeline, and molybdic acid ammonium reagent enters measuring cell by pipeline, and stirring waits 1~5
Minute chemical reaction；The absorbance of solution, is designated as A1 in control system control photometric detection unit detection measuring cell；
5th step, opens the valve of reagent 3 on pipeline, and lemon acid reagent enters measuring cell by pipeline, and stirring waits 1~5
Minute chemical reaction；The absorbance of solution, is designated as A2 in control system control photometric detection unit detection measuring cell；
6th step, sample in measuring cell is discharged by drain valve, and measurement terminates；
Calculate：The absorbance that A1-A2 is obtained is proportional to phosphate concentration in solution；
The absorbance that A2-A0 is obtained is proportional to silicate concentration in solution.
The on-line monitoring method of silicate and phosphate radical in a kind of simultaneously and rapidly monitoring water as described above, it passes through to shift to an earlier date
On-line computing model is demarcated with phosphate radical and silicate with standard liquid, phosphate radical and silicate in solution can be calculated
Content.
The on-line monitoring method of silicate and phosphate radical in a kind of simultaneously and rapidly monitoring water as described above, it is in acid bar
Under part, silicate and phosphate radical all with the molybdenum yellow and the yellow complex compound of phosphorus molybdenum of ammonium molybdate reaction generation yellow, by detection point
Analysis obtains silicate and phosphate concentration summation, adds citric acid, and the yellow complex compound of phosphorus molybdenum will be decomposed, tested and analyzed with this
The concentration of independent silicate is drawn, the concentration of silicate and phosphate radical in sample is respectively obtained successively.
Effect of the invention is that：The present invention is provided and a kind of is suitable for silicate and phosphate radical in Fast synchronization monitoring water
Monitor, only needs a set of light source detection system, and a small amount of sample, single is automatically brought into operation and can just complete monitoring.The present invention is with one
Monitoring system, is once chemically reacted, and phosphate radical and silicate in solution are calculated by surveying the absorbance of different step
Content.Because two kinds of elements of measurement have only used a set of reaction and detection part, the purchase cost for so reducing is safeguarded into
This, reduces the usage amount of reagent, reduces the probability of error；And save installing space.Simultaneously can be by program setting only
Determine one of which element.Analyzed by the actual monitoring to sample, completing once monitoring flow only needs sample 30mL, at 8 points
Silicate and phosphate radical result can be respectively obtained in clock.Research and application result precision is high, favorable reproducibility can reach 2% with
It is interior.
Brief description of the drawings
Fig. 1 is the existing analyzer schematic diagram for monitoring silicate and phosphate radical simultaneously；
Fig. 2 is on-line computing model composition schematic diagram of the present invention；
Fig. 3 is chemical stream schematic diagram of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings with specific embodiment to silicate and phosphorus in a kind of simultaneously and rapidly monitoring water of the present invention
The on-line computing model and method of acid group are further described.
Embodiment 1
As depicted in figs. 1 and 2, a kind of online prison for simultaneously and rapidly monitoring silicate and phosphate radical in water of the present invention
Instrument is surveyed, it includes chemical stream, and the control system for controlling chemical stream；
Described chemical stream includes measuring cell, the pipeline being connected with measuring cell, and in the pipeline being connected with measuring cell
The peristaltic pump of upper setting；Wherein, pipeline, the peristaltic pump entrance measurement of water sample and several reagent by being connected with measuring cell
Pond, while being additionally provided with several magnetic valves on the pipeline, measuring cell is entered by solenoid valve control difference reagent when different.Together
When, the magnetic valve for being passed through air is also set up on the pipeline being connected with measuring cell, by air stirring so that water sample and reagent are complete
Full mixing；Drain valve is set on measuring cell export pipeline.
Described control system includes computer system, the input block being connected with computer system, output unit, screen
Display unit, photometric detection unit and power supply；Wherein,
Input block is contact action, to the work order of the computer system chemical stream of input control；
Computer system will control the work order of chemical stream to deliver to chemical stream by output unit, while in screen
Display unit display working condition；
Photometric detection unit carries out photometric detection after the work order for receiving computer system to measuring cell, while will
Testing result is delivered to computer system.
Described control system is additionally provided with the relay of multichannel independence as output switch parameter, for the long-range connection upper limit, under
Limit alarm lamp.When sample concentration exceedes the upper limit or the lower limit less than setting of setting in measuring cell, the actuating of relay makes contact
Closure, sends alarm signal.The capacity of relay normally open contact is 1A AC 250V.
Embodiment 2
As depicted in figs. 1 and 2, a kind of online prison for simultaneously and rapidly monitoring silicate and phosphate radical in water of the present invention
Instrument is surveyed, it includes chemical stream, and the control system for controlling chemical stream；
Described chemical stream includes measuring cell, the pipeline being connected with measuring cell, and in the pipeline being connected with measuring cell
The peristaltic pump of upper setting.Wherein, water sample, sulfuric acid (or hydrochloric acid) reagent, molybdic acid ammonium reagent, lemon acid reagent by with measuring cell
The pipeline of connection, peristaltic pump enter measuring cell；Specially：Also carried on the pipeline being connected with measuring cell and each lead into sulfuric acid or salt
Acid reagent, molybdic acid ammonium reagent, the branch road of lemon acid reagent, set the valve of reagent 1 on the branch road for being passed through sulfuric acid or hydrochloric acid reagent,
The setting valve of reagent 2 on the branch road of molybdic acid ammonium reagent is passed through, the setting valve of reagent 3 on the branch road of lemon acid reagent is being passed through；Open examination
The valve of agent 1, sulfuric acid or hydrochloric acid reagent enter measuring cell by pipeline；The valve of reagent 2 is opened, molybdic acid ammonium reagent enters measurement by pipeline
Pond；The valve of reagent 3 is opened, lemon acid reagent enters measuring cell by pipeline.
Meanwhile, the magnetic valve for being passed through air is also set up on the pipeline being connected with measuring cell, by air stirring so that water
Sample and reagent are thoroughly mixed；Drain valve is set on measuring cell export pipeline.
Described control system includes computer system, the input block being connected with computer system, output unit, screen
Display unit, photometric detection unit and power supply；Wherein,
Input block is contact action, to the work order of the computer system chemical stream of input control；
Computer system will control the work order of chemical stream to deliver to chemical stream by output unit, while in screen
Display unit display working condition；
Photometric detection unit carries out photometric detection after the work order for receiving computer system to measuring cell, while will
Testing result is delivered to computer system.
Described control system is additionally provided with the relay of multichannel independence as output switch parameter, for the long-range connection upper limit, under
Limit alarm lamp.When sample concentration exceedes the upper limit or the lower limit less than setting of setting in measuring cell, the actuating of relay makes contact
Closure, sends alarm signal.The capacity of relay normally open contact is 1A AC 250V.
The on-line monitoring method of silicate and phosphate radical in water is simultaneously and rapidly monitored using above-mentioned on-line computing model, it includes
Following steps：
The first step, the water sample containing silicate and phosphate radical enters measuring cell by pipeline, peristaltic pump, to realize to chemistry
The cleaning of stream；
Second step, quantitative water sample enters measuring cell by peristaltic pump, and control system control photometric detection unit detection is surveyed
The absorbance of solution, is designated as A0 in amount pond, used as the baseline that this water sample is measured；
3rd step, opens the valve of reagent 1 on pipeline, and the sulfuric acid of reagent one (or hydrochloric acid) enters measuring cell by pipeline, stirs
Wait chemically react within 1~5 minute；
4th step, opens the valve of reagent 2 on pipeline, and reagent ammonium dimolybdate enters measuring cell by pipeline, and stirring waits 1~
Chemically react within 5 minutes；The absorbance of solution, is designated as A1 in control system control photometric detection unit detection measuring cell；
5th step, opens the valve of reagent 3 on pipeline, and the citric acid of reagent three enters measuring cell by pipeline, and stirring waits 1~
Chemically react within 5 minutes；The absorbance of solution, is designated as A2 in control system control photometric detection unit detection measuring cell；
6th step, sample in measuring cell is discharged by drain valve, and measurement terminates.
Calculate：The absorbance that A1-A2 is obtained is proportional to phosphate concentration in solution；
The absorbance that A2-A0 is obtained is proportional to silicate concentration in solution.
By being demarcated with phosphate radical and silicate to on-line computing model with standard liquid in advance, solution can be calculated
The content of middle phosphate radical and silicate.
Embodiment 3
It is synchronous using the on-line computing model of silicate and phosphate radical in a kind of simultaneously and rapidly monitoring water described in embodiment 2
The on-line monitoring method of silicate and phosphate radical in fast monitored water, it comprises the following steps：
The first step, the water sample containing silicate and phosphate radical enters measuring cell by pipeline, peristaltic pump, to realize to chemistry
The cleaning of stream；
Second step, quantitative water sample enters measuring cell by peristaltic pump, and control system control photometric detection unit detection is surveyed
The absorbance of solution, is designated as A0=0.005 in amount pond, used as the baseline that this water sample is measured；
3rd step, opens the valve of reagent 1 on pipeline, and the sulfuric acid of reagent one (or hydrochloric acid) enters measuring cell by pipeline, stirs
Wait chemically react within 1~5 minute；
4th step, opens the valve of reagent 2 on pipeline, and reagent ammonium dimolybdate enters measuring cell by pipeline, and stirring waits 1~
Chemically react within 5 minutes；The absorbance of solution, is designated as A1=0.142 in control system control photometric detection unit detection measuring cell；
5th step, opens the valve of reagent 3 on pipeline, and the citric acid of reagent three enters measuring cell by pipeline, and stirring waits 1~
Chemically react within 5 minutes；The absorbance of solution, is designated as A2=0.089 in control system control photometric detection unit detection measuring cell；
6th step, sample in measuring cell is discharged by drain valve, and measurement terminates.
A1-A0 is absorbance when silicate and phosphate radical develop the color together
A2-A0 is absorbance when only silicate develops the color
(A1-A0) absorbance that-(A2-A0)=A1-A2=0.053 is obtained is proportional to phosphate concentration in solution；
The absorbance that A2-A0=0.084 is obtained is proportional to silicate concentration in solution.
A0 is equivalent to be water sample color in itself, it is believed that be reference；
A1 is that silicate and phosphate radical show together after adding the sulfuric acid of reagent one (hydrochloric acid or other acid) and reagent ammonium dimolybdate
The value of color；
A2 is to add reagent three (citric acid) (phosphate radical can fade with the color of ammonium molybdate reaction after adding citric acid) phosphorus
Absorbance after only remaining silicate develops the color after acid group colour fading.
The on-line monitoring method of silicate and phosphate radical in simultaneously and rapidly monitoring water of the invention, its principle is in acid bar
Under part, silicate and phosphate radical all with the molybdenum yellow and the yellow complex compound of phosphorus molybdenum of ammonium molybdate reaction generation yellow, by detection point
Analysis obtains silicate and phosphate concentration summation, adds citric acid, and the yellow complex compound of phosphorus molybdenum will be decomposed, tested and analyzed with this
The concentration of independent silicate is drawn, the concentration of silicate and phosphate radical in sample is respectively obtained successively.Therefore it is different by detecting
The color of solution calculates the concentration of silicate and phosphate radical during step.
Claims (7)
1. it is a kind of simultaneously and rapidly monitoring water in silicate and phosphate radical on-line computing model, it is characterised in that：The on-line computing model
Including chemical stream, and the control system for controlling chemical stream；
Described chemical stream includes measuring cell, the pipeline being connected with measuring cell, and the peristaltic pump set on pipeline；Its
In, water sample and several reagent enter measuring cell by the pipeline that is connected with measuring cell, peristaltic pump, while also being set on the pipeline
There are several magnetic valves, measuring cell is entered when different by solenoid valve control difference reagent；
Described control system includes computer system, the input block being connected with computer system, output unit, screen display
Unit, photometric detection unit and power supply；Wherein,
Input block is contact action, to the work order of the computer system chemical stream of input control；
Computer system will control the work order of chemical stream to deliver to chemical stream by output unit, while in screen display
Unit display working condition；
Photometric detection unit carries out photometric detection after the work order for receiving computer system to measuring cell, while will detection
Result is delivered to computer system.
2. in a kind of simultaneously and rapidly monitoring water according to claim 1 silicate and phosphate radical on-line computing model, it is special
Levy and be：The magnetic valve for being passed through air is set on the pipeline being connected with measuring cell, by air stirring so that water sample and reagent
It is thoroughly mixed；Drain valve is set on measuring cell export pipeline.
3. in a kind of simultaneously and rapidly monitoring water according to claim 1 silicate and phosphate radical on-line computing model, it is special
Levy and be：Described control system is provided with the relay of multichannel independence as output switch parameter, for the long-range connection upper limit, lower limit report
Warning lamp；When sample concentration exceedes the upper limit or the lower limit less than setting of setting in measuring cell, the actuating of relay closes contact
Close, send alarm signal.
4. in a kind of simultaneously and rapidly monitoring water according to claim 1 silicate and phosphate radical on-line computing model, it is special
Levy and be：Described water sample and several reagent enter measuring cell by the pipeline that is connected with measuring cell, peristaltic pump, while should
Several magnetic valves are additionally provided with pipeline, measuring cell is entered when different by solenoid valve control difference reagent；Specifically,
Also with each leading into sulfuric acid or hydrochloric acid reagent, molybdic acid ammonium reagent, lemon acid reagent on the pipeline being connected with measuring cell
Branch road, sets the valve of reagent 1 on the branch road for being passed through sulfuric acid or hydrochloric acid reagent, and reagent is set being passed through on the branch road of molybdic acid ammonium reagent
2 valves, are being passed through the setting valve of reagent 3 on the branch road of lemon acid reagent；The valve of reagent 1 is opened, sulfuric acid or hydrochloric acid reagent are entered by pipeline
Enter measuring cell；The valve of reagent 2 is opened, molybdic acid ammonium reagent enters measuring cell by pipeline；The valve of reagent 3 is opened, lemon acid reagent passes through
Pipeline enters measuring cell.
5. silicate and phosphate radical in the simultaneously and rapidly monitoring water of any on-line computing model described in a kind of use Claims 1-4
On-line monitoring method, it is characterised in that：The method comprises the following steps：
The first step, the water sample containing silicate and phosphate radical enters measuring cell by the pipeline that is connected with measuring cell, peristaltic pump, with
Realize the cleaning to chemical stream；
Second step, the quantitative water sample containing silicate and phosphate radical enters measuring cell, control system control light by peristaltic pump
The absorbance of solution, is designated as A0, as the baseline that this water sample is measured in degree detection unit detection measuring cell；
3rd step, opens the valve of reagent 1 on pipeline, and sulfuric acid or hydrochloric acid reagent enter measuring cell by pipeline, and stirring waits 1~5
Minute chemical reaction；
4th step, opens the valve of reagent 2 on pipeline, and molybdic acid ammonium reagent enters measuring cell by pipeline, and stirring is waited 1~5 minute
Chemical reaction；The absorbance of solution, is designated as A1 in control system control photometric detection unit detection measuring cell；
5th step, opens the valve of reagent 3 on pipeline, and lemon acid reagent enters measuring cell by pipeline, and stirring is waited 1~5 minute
Chemical reaction；The absorbance of solution, is designated as A2 in control system control photometric detection unit detection measuring cell；
6th step, sample in measuring cell is discharged by drain valve, and measurement terminates；
Calculate：The absorbance that A1-A2 is obtained is proportional to phosphate concentration in solution；
The absorbance that A2-A0 is obtained is proportional to silicate concentration in solution.
6. it is according to claim 5 it is a kind of simultaneously and rapidly monitoring water in silicate and phosphate radical on-line monitoring method, its
It is characterised by：By being demarcated with phosphate radical and silicate to on-line computing model with standard liquid in advance, can calculate molten
The content of phosphate radical and silicate in liquid.
7. it is according to claim 5 it is a kind of simultaneously and rapidly monitoring water in silicate and phosphate radical on-line monitoring method, its
It is characterised by：In acid condition, silicate and phosphate radical all generate molybdenum yellow and phosphorus the molybdenum Huang of yellow with ammonium molybdate reaction
Complex compound, silicate and phosphate concentration summation are obtained by detection and analysis, add citric acid, and the yellow complex compound of phosphorus molybdenum will
Decompose, the concentration for drawing independent silicate is tested and analyzed with this, the concentration of silicate and phosphate radical in sample is respectively obtained successively.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611246753.6A CN106841182A (en) | 2016-12-29 | 2016-12-29 | Simultaneously and rapidly monitor the on-line computing model and method of silicate and phosphate radical in water |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611246753.6A CN106841182A (en) | 2016-12-29 | 2016-12-29 | Simultaneously and rapidly monitor the on-line computing model and method of silicate and phosphate radical in water |
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| CN106841182A true CN106841182A (en) | 2017-06-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095433A (en) * | 2019-06-17 | 2019-08-06 | 广西师范大学 | A method of silicate is measured with Resonance Rayleigh Scattering Spectra |
| CN110514610A (en) * | 2019-09-30 | 2019-11-29 | 南京润驰工程技术有限公司 | A kind of silicate measurement device and measurement method |
| US11480526B2 (en) * | 2020-01-21 | 2022-10-25 | Mettler-Toledo Thornton, Inc. | Instrument for sequential analysis for silica and phosphate in aqueous solution |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1116303A (en) * | 1994-08-31 | 1996-02-07 | 陈义新 | Automatic measurer for content of silicic acid group |
| CN2486967Y (en) * | 2000-09-30 | 2002-04-17 | 边东福 | Water sample analyser for monitoring silicon phosphate radical |
| CN102226755A (en) * | 2011-04-15 | 2011-10-26 | 河海大学常州校区 | On-line analyzer for monitoring silicate concentration or phosphate concentration in water |
| CN102262068A (en) * | 2011-04-28 | 2011-11-30 | 河海大学常州校区 | Wireless network-based intelligent on-line analysis recorder for concentration of phosphate radical |
-
2016
- 2016-12-29 CN CN201611246753.6A patent/CN106841182A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1116303A (en) * | 1994-08-31 | 1996-02-07 | 陈义新 | Automatic measurer for content of silicic acid group |
| CN2486967Y (en) * | 2000-09-30 | 2002-04-17 | 边东福 | Water sample analyser for monitoring silicon phosphate radical |
| CN102226755A (en) * | 2011-04-15 | 2011-10-26 | 河海大学常州校区 | On-line analyzer for monitoring silicate concentration or phosphate concentration in water |
| CN102262068A (en) * | 2011-04-28 | 2011-11-30 | 河海大学常州校区 | Wireless network-based intelligent on-line analysis recorder for concentration of phosphate radical |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095433A (en) * | 2019-06-17 | 2019-08-06 | 广西师范大学 | A method of silicate is measured with Resonance Rayleigh Scattering Spectra |
| CN110514610A (en) * | 2019-09-30 | 2019-11-29 | 南京润驰工程技术有限公司 | A kind of silicate measurement device and measurement method |
| US11480526B2 (en) * | 2020-01-21 | 2022-10-25 | Mettler-Toledo Thornton, Inc. | Instrument for sequential analysis for silica and phosphate in aqueous solution |
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Application publication date: 20170613 |