CN108318608A - A kind of method of sample automatic dilution - Google Patents
A kind of method of sample automatic dilution Download PDFInfo
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- CN108318608A CN108318608A CN201810131465.9A CN201810131465A CN108318608A CN 108318608 A CN108318608 A CN 108318608A CN 201810131465 A CN201810131465 A CN 201810131465A CN 108318608 A CN108318608 A CN 108318608A
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- sample
- dilution
- electric conductivity
- control system
- stoste
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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
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/06—Preparation
-
- 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
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/24—Automatic injection systems
-
- 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
Abstract
The present invention provides a kind of method of sample automatic dilution, belongs to Sparklet testing method technical field.A kind of method of sample automatic dilution, sample automatic dilution device include that control system, sample feeding pipe, electric conductivity detector, sample pump, dilution pumps and quantitative loop, method include the following steps：Sample stoste is absorbed into electric conductivity detector by sample feeding pipe, and electric conductivity detector detects the electric conductivity value of sample stoste and electric conductivity value is passed to control system.Control system compares obtained electric conductivity value and initial data, determines that sample stoste is absorbed into quantitative loop by the extension rate of sample stoste, control system control sample pump from electric conductivity detector.Dilution is absorbed into quantitative loop by control system control dilution pumps according to determining extension rate.The method detects the electric conductivity value of sample stoste to judge the extension rate of sample stoste needs by electric conductivity detector, keeps operation more accurate, the sample concentration after dilution is in the detection range of ion chromatograph.
Description
Technical field
The present invention relates to Sparklet testing method technical fields, in particular to a kind of method of sample automatic dilution.
Background technology
Sample dilutes function, using artificial setting extension rate, completes dilution work by fixed multiple, often occurs dilute
The ion range in rear sample is released except the range of linearity of ion chromatograph, analysis work can be completed by needing to dilute again
Make, multiple sample introduction increases workload.
Dilution instrument is typically independent of outside ion chromatography and works, and can not communicate, can not be combined with instrument, ion chromatography from
Dynamic injector can not come into operation, can only hand sampling, make troubles to using.
Invention content
The purpose of the present invention is to provide a kind of methods of sample automatic dilution, can be diluted sample introduction automatically, improve
The working efficiency of user.
Realization that the present invention adopts the following technical solutions：
A kind of method of sample automatic dilution, is suitable for sample automatic dilution device, and sample automatic dilution device includes control
System processed, sample feeding pipe, electric conductivity detector, sample pump, dilution pumps and quantitative loop, method include the following steps：
(1), sample stoste is absorbed into electric conductivity detector by sample feeding pipe, and electric conductivity detector detects the electricity of sample stoste
It leads value and electric conductivity value is passed into control system；
(2), control system compares obtained electric conductivity value and initial data, determines the extension rate of sample stoste, controls
Sample stoste is absorbed into quantitative loop by system control sample pump from electric conductivity detector；
(3), dilution is absorbed into quantitative loop by control system control dilution pumps according to determining extension rate.
Further, in preferred embodiments of the present invention, the solution of various concentration is corresponding in each solution of said determination
Electric conductivity value, and it is inputted control system, obtain initial data.
Further, in preferred embodiments of the present invention, the amount and dilution pumping of the sample stoste that above-mentioned sample pumping is received
The amount of the dilution of receipts and for quantitative loop amount.
Further, in preferred embodiments of the present invention, above-mentioned sample automatic dilution device further include sample caching pipe and
Outlet shutoff valve, in step (2)：
When control system compares obtained electric conductivity value and initial data, control system controls outlet shutoff valve and opens,
Sample stoste in electric conductivity detector is absorbed into sample caching pipe；
When control system determines the extension rate of sample stoste, control system controls sample pump by sample stoste from sample
It is absorbed into quantitative loop in caching pipe.
Further, in preferred embodiments of the present invention, above-mentioned sample automatic dilution device further includes autosampler；
Sample stoste in control system control autosampler enters in sample feeding pipe.
Further, in preferred embodiments of the present invention, above-mentioned sample automatic dilution device further includes sample injection bottle, user
It will be in the sample stoste injection sample feeding pipe in sample injection bottle.
Further, further include cleaning sample automatic dilution after above-mentioned steps (3) in preferred embodiments of the present invention
The step of device.
Further, in preferred embodiments of the present invention, the method for above-mentioned cleaning sample automatic dilution device includes：
A, the pipe between cleaning sample caching pipe, outlet shutoff valve and dilution pumps, sample caching pipe and outlet shutoff valve
Road；
B, clean sample feeding pipe, electric conductivity detector, sample pump, quantitative loop and between pipeline；Clean dilution pumps, quantitative loop
And the pipeline between dilution pumps and quantitative loop.
Further, in preferred embodiments of the present invention, in above-mentioned steps a, control system control water is flowed through from dilution pumps
Sample caching pipe and outlet shutoff valve simultaneously exclude.
Further, in preferred embodiments of the present invention, in above-mentioned steps b, control system control water is flowed through from sample feeding pipe
Electric conductivity detector, sample pump and quantitative loop simultaneously control water and flow through quantitative loop from dilution pumps.
The advantageous effect of method for the sample automatic dilution that presently preferred embodiments of the present invention provides is：Make sample stoste and dilute
It releases liquid to be uniformly mixed in quantitative loop, this quantitative loop is the quantitative loop of ion chromatograph, you can the detection of ion chromatography is carried out,
Realize automatic dilution sample introduction.The electric conductivity value of sample stoste is detected by electric conductivity detector to judge the dilution times of sample stoste needs
Number, keeps operation more accurate, and the sample concentration after dilution improves the work effect of user in the detection range of ion chromatograph
Rate.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings and also belong to protection scope of the present invention.
Fig. 1 is the piping connection schematic diagram of sample automatic dilution device provided in an embodiment of the present invention；
Fig. 2 is the functional block diagram of sample automatic dilution device provided in an embodiment of the present invention.
Icon：110- control systems；120- sample feeding pipes；130- electric conductivity detectors；140- samples pump；150- dilutes
Pump；160- quantitative loops；170- sample inlet shut-off valves；180- autosamplers；190- samples caching pipe；210- is exported
Shut-off valve；220- four-way valves；230- three-way switch valves；240- dilution bottles；250- waste liquid bottles；260- triple valves；
270- sample bottles.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.Therefore, below to the reality of the present invention provided in the accompanying drawings
The detailed description for applying example is not intended to limit the range of claimed invention, but is merely representative of the selected implementation of the present invention
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
Embodiment
A kind of sample automatic dilution device may be implemented the automatic dilution sample introduction of ion chromatograph, improve the work of user
Make efficiency.
Fig. 1 is the piping connection schematic diagram of sample automatic dilution device provided in this embodiment；Fig. 2 be the present embodiment provides
Sample automatic dilution device functional block diagram.Also referring to Fig. 1 and Fig. 2, in the present embodiment, sample automatic dilution device packet
Include control system 110, sample feeding pipe 120, electric conductivity detector 130, sample pump 140, dilution pumps 150 and quantitative loop 160, sample feeding pipe
120 are used for sample stoste sample introduction, and sample feeding pipe 120, electric conductivity detector 130, sample pump 140 and quantitative loop 160 are sequentially communicated, dilute
For absorbing dilution, dilution pumps 150 are connected to pump 150 with quantitative loop 160, control system 110 and electric conductivity detector 130, sample
Pump 140 and dilution pumps 150 are electrically connected.
Sample stoste is absorbed into electric conductivity detector 130 by sample feeding pipe 120, and electric conductivity detector 130 detects sample original
Electric conductivity value is simultaneously passed to control system 110 by the electric conductivity value of liquid.Control system 110 is by obtained electric conductivity value and initial data pair
Than determining the extension rate of sample stoste, the control sample of control system 110 pump 140 is by sample stoste from electric conductivity detector 130
It is absorbed into quantitative loop 160.Control system 110 controls dilution pumps 150 and is absorbed into dilution according to determining extension rate
Quantitative loop 160.
Sample stoste and dilution is set to be uniformly mixed in quantitative loop 160, this quantitative loop 160 is determining for ion chromatograph
Measure ring 160, you can carry out the detection of ion chromatography, realize automatic dilution sample introduction.Sample stoste is detected by electric conductivity detector 130
Electric conductivity value come judge sample stoste need extension rate, keep operation more accurate, the sample concentration after dilution is in ion color
In the detection range of spectrometer, the working efficiency of user is improved.
Control system 110 is the core control portions of whole device, and it is defeated that automatic sampling, comparing and data may be implemented
The characteristics such as enter, realizes that the principle of automatic dilution, comparing and data input is identical with existing ion chromatograph, only control
System 110 processed and the connection type of external device (ED) component are changed.
In the present embodiment, control system 110 has input module, the solution for measuring various concentration in each solution corresponding
Electric conductivity value, and it is inputted control system 110, obtain initial data.I.e. user's portion's detection outside various concentration is of the same race molten
The electric conductivity value of liquid obtains the concentration of same solution and the one-to-one relationship of electric conductivity value, and is entered by output module
In control system 110, the initial data as control system 110 is preserved, convenient to be subsequently compared, i.e., is to control
System 110 is compared by the electric conductivity value of the existing sample stoste for flowing into electric conductivity detector 130 with initial data, and sample is calculated
The extension rate that product stoste needs, to be subsequently diluted.
Sample automatic dilution device further includes sample inlet shut-off valve 170, and sample inlet shut-off valve 170 is set to sample feeding pipe
Between 120 and electric conductivity detector 130, sample inlet shut-off valve 170 is electrically connected with control system 110.Control system 110 is by sample
Inlet stop valve 170 is opened, then starts to sample, the sample stoste in probe tube enters after sample inlet shut-off valve 170
In electric conductivity detector 130.
Sample automatic dilution device further includes autosampler 180, and control system 110 is electrically connected with autosampler 180,
Autosampler 180 is connected to the side of the separate electric conductivity detector 130 of sample feeding pipe 120, i.e., with the separate sample of sample feeding pipe 120
The side of inlet stop valve 170 is connected to.Sample automatic dilution device further includes sample bottle 270, sample bottle 270 and sample feeding pipe 120
Separate electric conductivity detector 130 side connection.
I.e. in the present embodiment, there are two types of input mode, respectively automatic sampling and hand sampling, when automatic sampling, control
System 110 control autosampler 180 in sample stoste enter in sample feeding pipe 120, i.e., then control system 110 control automatically into
Sample device 180 works, and sample stoste is entered sample feeding pipe 120 out of autosampler 180, then pass through sample inlet shut-off valve 170
Enter electric conductivity detector 130 afterwards.When hand sampling, user injects the sample stoste in sample injection bottle in sample feeding pipe 120, i.e., directly
It connects and is entered the sample stoste injection in sample bottle 270 in sample feeding pipe 120 using injection device, then pass through sample inlet shut-off valve
Enter electric conductivity detector 130 after 170.
Sample automatic dilution device further includes sample caching pipe 190 and outlet shutoff valve 210, and sample caches pipe 190 and electricity
The same end that detector 130 is connected to sample pump 140 and caches pipe 190 positioned at sample is led, sample caches the separate electricity of pipe 190
The one end for leading detector 130 is connected to outlet shutoff valve 210, and outlet shutoff valve 210 is electrically connected with control system 110.Control system
110 control outlet shutoff valve 210 of system is opened, then after sample is by electric conductivity detector 130, can enter sample due to pressure action
It is cached in caching pipe 190, avoids calculating not yet when sample stoste needs diluted multiple in control system 110
It waits, sample stoste is put into quantitative loop 160.
When control system 110 compares obtained electric conductivity value and initial data, control system 110 controls outlet shutoff valve
210 open, and the sample stoste in electric conductivity detector 130 is absorbed into sample caching pipe 190；When control system 110 determines
When the extension rate of sample stoste, control system 110, which controls sample pump 140 and caches sample stoste in pipe 190 from sample, to be absorbed
Into quantitative loop 160.So as to the storage and absorption of sample stoste, facilitate the automatic dilution for carrying out sample stoste.
Sample automatic dilution device further includes four-way valve 220, and four-way valve 220 is cached with electric conductivity detector 130, sample respectively
Pipe 190 is connected to sample pump 140.By the setting of four-way valve 220, can facilitate each component of sample automatic dilution device
After outlet shutoff valve 210 is opened in connection, i.e. control system 110, four-way valve is passed through by the sample stoste of electric conductivity detector 130
Enter after 220 in sample caching pipe 190, after the calculating of control system 110 finishes, control sample pump 140, which caches sample, manages
Sample stoste in 190 is absorbed by four-way valve 220 in quantitative loop 160, is sampled.
220 selectivity connection dilution pumps 150 of four-way valve, when needing to be sampled, four-way valve 220 and dilution pumps
150 disconnect, and when needing to carry out the cleaning of sample automatic dilution device, four-way valve 220 is connected to dilution pumps 150, can incite somebody to action
Water is absorbed into, and carries out the cleaning of sample automatic dilution device.Preferably, three are provided between dilution pumps 150 and four-way valve 220
Direction changeover valve 230, three-way switch valve 230 is electrically connected with control system 110, and when to be sampled, control system 110 is controlled
Three-way switch valve 230 processed is connected to quantitative loop 160, and four-way valve 220 is made to be disconnected with dilution pumps 150, automatically dilute when needing to carry out sample
When the cleaning of release device, control system 110 controls three-way switch valve 230 and is connected to four-way valve 220, makes dilution pumps 150 and determines
It measures ring 160 to disconnect, realizes cleaning.
Sample automatic dilution device further includes dilution bottle 240, and dilution bottle 240 is for being connected to dilution pumps 150.It i.e. will be dilute
It releases liquid to be fitted into dilution bottle, so as to dilute sample stoste.In the present embodiment, dilution can be the solvent or water of sample stoste,
To be diluted to sample stoste or to be cleaned to sample automatic dilution device.
Sample automatic dilution device further includes waste liquid bottle 250, and waste liquid bottle 250 is for being connected to the separate of outlet shutoff valve 210
Sample caches the side of pipe 190.After sample pumps 140 quantitative adsorption sample stostes, it is former that sample caches remaining sample in pipe 190
The waste liquid of liquid and cleaning sample caching pipe 190 is all discharged by outlet shutoff valve 210 in waste liquid bottle 250, is cleaned.
Sample automatic dilution device further includes triple valve 260, and triple valve 260 is respectively communicated with sample pump 140, dilution pumps 150
With quantitative loop 160.By the setting of triple valve 260, it can facilitate each members of sample automatic dilution device, that is, work as control
When system 110 processed controls sample pump 140 and the work of dilution pumps 150, sample stoste passes through triple valve out of sample pump 140
Enter in quantitative loop 160 after 260, dilution enters after triple valve 260 in quantitative loop 160 out of dilution pumps 150, sample
The mixing in quantitative loop 160 of product stoste and dilution.
In the present embodiment, the amount for the dilution that amount and the dilution pumps 150 of the sample stoste that sample pump 140 absorbs absorb and
For the amount of quantitative loop 160.Control system 110 can calculate the amount of the sample stoste and dilution that need to absorb, so that the two exists
Mixing in quantitative loop 160, the summation of the amount of two kinds of solution is consistent with the volume of quantitative loop 160, subsequently to carry out ion chromatography
The sample introduction of instrument.
Further include the steps that cleaning sample automatic dilution device after detection finishes.Cleaning sample automatic dilution device
Method includes：A, cleaning sample caching pipe 190, outlet shutoff valve 210 and dilution pumps 150, sample caching pipe 190 and outlet are cut
The only pipeline between valve 210；Control system 110 controls water and flows through sample caching pipe 190 and outlet shutoff valve from dilution pumps 150
It 210 and excludes.B, clean sample feeding pipe 120, electric conductivity detector 130, sample pump 140, quantitative loop 160 and between pipeline；Clearly
Wash the pipeline between dilution pumps 150, quantitative loop 160 and dilution pumps 150 and quantitative loop 160.Control system 110 control water from into
Sample pipe 120 flows through electric conductivity detector 130, sample pump 140 and quantitative loop 160 and controls water flows through quantitative loop from dilution pumps 150
160.All to clean up entire sample automatic dilution device, prevents to pollute, keep the data of detection more accurate.
The operation principle of sample automatic dilution device provided by the invention is：
It can be automatic sampling pattern：When using 180 sample introduction pattern of autosampler, all components are involved in work.
An enabling signal is sent to control system 110 when autosampler 180 starts, sample automatic dilution device synchronously completes correlation
Setting, sample inlet shut-off valve 170 is connected when sample introduction starts, and sample is pushed into from autosampler 180, and sample passes through sample inlet
Shut-off valve 170 enters electric conductivity detector 130, and sample flows through four-way valve 220, and outlet shutoff valve 210 is connected at this time, three-way switch valve
230 disconnect with four-way valve 220, and sample stoste enters in sample caching pipe 190, and electric conductivity detector 130 is electrically connected with control system 110
It connects, control system 110 judges suitable extension rate according to obtained electric conductivity value, and respective flow rate set instruction issuing is given
Sample pump 140 and dilution pumps 150, sample pump 140 and the difference pipette samples stoste of dilution pumps 150 and dilution, at this time threeway are cut
It changes valve 230 to connect with triple valve 260, releases sample stoste to chromatograph quantitative loop 160 by setting flow velocity, the sample after dilution is deposited
It is stored in chromatograph quantitative loop 160, completes dilution.
Hand sampling pattern：When using hand sampling pattern, all components in addition to autosampler 180 are involved in
Work.Start sample automatic dilution device in control system 110, sample automatic dilution device completes related setting, and sample introduction is opened
Begin, sample inlet shut-off valve 170 is connected first, and sample is pushed into from injection port with syringe or injection port connects sample bottle 270, sample
Product enter electric conductivity detector 130 by sample inlet shut-off valve 170, and sample flows through four-way valve 220, at this time outlet shutoff valve 210
It connects, three-way switch valve 230 is disconnected with four-way valve 220, and sample enters in sample caching pipe 190, electric conductivity detector 130 and control
System 110 is electrically connected, and control system 110 judges suitable extension rate according to obtained electric conductivity value, and respective flow velocity is set
Instruction issuing is determined to sample pump 140 and dilution pumps 150, sample pump 140 and dilution pumps 150 distinguish pipette samples and dilution, this
When three-way switch valve 230 and triple valve 260 connect, release sample stoste to chromatograph quantitative loop 160, after dilution by setting flow velocity
Sample storage in chromatograph quantitative loop 160, complete dilution.
Cleaning model：When using cleaning model, it is divided into two parts, a part of cleaning sample caches pipe 190, and a part is clear
Wash sample flow path.When cleaning sample caches pipe 190, only dilution pumps 150 work, and sample inlet shut-off valve 170 disconnects, outlet
Shut-off valve 210 is connected, and three-way switch valve 230 is connected with four-way valve 220, and dilution pumps 150 draw dilution from dilution bottle 240,
And pumped out by the flow velocity that control system 110 is set, diluent stream enters sample through four-way valve 220 and caches pipe 190, then by going out
Mouth shut-off valve 210 enters in waste liquid bottle 250, completes sample and caches 190 cleaning process of pipe；When cleaning sample flow path, sample pump
140 work at the same time with dilution pumps 150, will be packed into pure water in sample bottle 270 first, and sample inlet shut-off valve 170 is connected, and outlet is cut
Only valve 210 disconnects, and three-way switch valve 230 is connected with triple valve 260, and sample pump 140 draws pure water, pure water from sample bottle 270
Enter in sample pump 140 followed by sample inlet shut-off valve 170, electric conductivity detector 130, four-way valve 220.Dilution pumps 150 from
Pure water is drawn in dilution bottle 240, sample pump 140 releases inhaled pure water to three-way connector and chromatography simultaneously with dilution pumps 150
In instrument quantitative loop 160, the cleaning of entire flow path is completed.
This sample automatic dilution device judges extension rate by detecting the electric conductivity value of sample stoste, the sample after dilution
Concentration is in the detection range of ion chromatograph；And automatic sampling is carried out, the more convenient control of sample introduction.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of method of sample automatic dilution, which is characterized in that be suitable for sample automatic dilution device, the sample is automatically dilute
Release device includes control system, sample feeding pipe, electric conductivity detector, sample pump, dilution pumps and quantitative loop, and the method includes walking as follows
Suddenly：
(1), sample stoste is absorbed into the electric conductivity detector by the sample feeding pipe, and the electric conductivity detector detects sample
Electric conductivity value is simultaneously passed to the control system by the electric conductivity value of stoste；
(2), the control system compares obtained electric conductivity value and initial data, determines the extension rate of sample stoste, described
Control system controls the sample pump and sample stoste is absorbed into the quantitative loop from the electric conductivity detector；
(3), the control system control the dilution pumps dilution is absorbed into according to the determining extension rate it is described
Quantitative loop.
2. according to the method described in claim 1, it is characterized in that, the solution for measuring various concentration in each solution is electric accordingly
Value is led, and is inputted the control system, obtains the initial data.
3. according to the method described in claim 2, it is characterized in that, the sample pumping receive sample stoste amount with it is described dilute
Release the amount of the dilution of pumping receipts and for the quantitative loop amount.
4. according to the method described in claim 1, it is characterized in that, the sample automatic dilution device further includes sample caching pipe
And outlet shutoff valve, in the step (2)：
When the control system compares obtained electric conductivity value and initial data, the control system controls the outlet cut-off
Valve is opened, and the sample stoste in the electric conductivity detector is absorbed into the sample caching pipe；
When the control system determines the extension rate of sample stoste, the control system controls the sample pump by sample original
Liquid caches in pipe from the sample and is absorbed into the quantitative loop.
5. according to the method described in claim 4, it is characterized in that, the sample automatic dilution device further includes automatic sampling
Device；
The control system controls the sample stoste in the autosampler and enters in the sample feeding pipe.
6. according to the method described in claim 4, it is characterized in that, the sample automatic dilution device further includes sample injection bottle, make
User injects the sample stoste in sample injection bottle in the sample feeding pipe.
Further include cleaning the sample certainly 7. according to the method described in claim 5, it is characterized in that, after the step (3)
The step of dynamic dilution device.
8. the method according to the description of claim 7 is characterized in that the method for cleaning the sample automatic dilution device includes：
A, clean sample caching pipe, the outlet shutoff valve and the dilution pumps, sample caching pipe and it is described go out
Pipeline between mouth shut-off valve；
B, clean the sample feeding pipe, the electric conductivity detector, sample pump, the quantitative loop and between pipeline；Cleaning
Pipeline between the dilution pumps, the quantitative loop and the dilution pumps and the quantitative loop.
9. according to the method described in claim 8, it is characterized in that, in the step a, the control system controls water from dilution
Pump flows through the sample caching pipe and the outlet shutoff valve and excludes.
10. according to the method described in claim 8, it is characterized in that, in the step b, the control system control water from into
Sample pipe flows through the electric conductivity detector, sample pump and the quantitative loop and controls water flows through the quantitative loop from dilution pumps.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111505324A (en) * | 2020-05-13 | 2020-08-07 | 安图实验仪器(郑州)有限公司 | Automatic solution diluting method |
| CN111521477A (en) * | 2020-05-20 | 2020-08-11 | 中国科学院深海科学与工程研究所 | Dilution method of deep-sea in-situ gradient circulating dilution device |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201364291Y (en) * | 2008-12-18 | 2009-12-16 | 杭州鼎利环保科技有限公司 | On-line constant-volume diluter |
| CN101658773A (en) * | 2008-08-26 | 2010-03-03 | 希森美康株式会社 | Reagent preparing apparatus, sample processing apparatus and reagent preparing method |
| CN102680718A (en) * | 2011-03-14 | 2012-09-19 | 希森美康株式会社 | Reagent preparation apparatus, reagent preparation method and sample processig device |
| CN104062169A (en) * | 2014-06-23 | 2014-09-24 | 青岛普仁仪器有限公司 | Automatic online micro-scale sample dilution and mixing device and mixing method |
| CN104062170A (en) * | 2014-06-23 | 2014-09-24 | 青岛普仁仪器有限公司 | Automatic online micro-scale sample dilution and mixing system and mixing method |
| CN204649479U (en) * | 2015-06-01 | 2015-09-16 | 山东省科学院生物研究所 | Be applicable to the multifunction sampling pond of fermented sample process |
| CN105628482A (en) * | 2016-01-28 | 2016-06-01 | 广州埃克森生物科技有限公司 | Method and device for diluting concentrated diluent used by blood cell analyzer |
| CN105716933A (en) * | 2016-01-29 | 2016-06-29 | 南京捷发科技有限公司 | Device and method for achieving constant-volume proportional dilution |
| CN105973889A (en) * | 2016-07-18 | 2016-09-28 | 攀钢集团攀枝花钢铁研究院有限公司 | Crystal seed stability detection method and detection system |
| CN106198150A (en) * | 2016-08-30 | 2016-12-07 | 中国科学院寒区旱区环境与工程研究所 | A kind of sample for chemical analysis comprehensive pretreatment instrument |
| CN205981835U (en) * | 2016-08-30 | 2017-02-22 | 中国科学院寒区旱区环境与工程研究所 | Processor before chemical analysis sample is synthesized |
-
2018
- 2018-02-08 CN CN201810131465.9A patent/CN108318608A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101658773A (en) * | 2008-08-26 | 2010-03-03 | 希森美康株式会社 | Reagent preparing apparatus, sample processing apparatus and reagent preparing method |
| CN201364291Y (en) * | 2008-12-18 | 2009-12-16 | 杭州鼎利环保科技有限公司 | On-line constant-volume diluter |
| CN102680718A (en) * | 2011-03-14 | 2012-09-19 | 希森美康株式会社 | Reagent preparation apparatus, reagent preparation method and sample processig device |
| CN104062169A (en) * | 2014-06-23 | 2014-09-24 | 青岛普仁仪器有限公司 | Automatic online micro-scale sample dilution and mixing device and mixing method |
| CN104062170A (en) * | 2014-06-23 | 2014-09-24 | 青岛普仁仪器有限公司 | Automatic online micro-scale sample dilution and mixing system and mixing method |
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| CN111521477B (en) * | 2020-05-20 | 2023-02-10 | 中国科学院深海科学与工程研究所 | Dilution method of deep-sea in-situ gradient circulating dilution device |
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Application publication date: 20180724 |