CN208000241U - A kind of sample automatic dilution device - Google Patents
A kind of sample automatic dilution device Download PDFInfo
- Publication number
- CN208000241U CN208000241U CN201820228574.8U CN201820228574U CN208000241U CN 208000241 U CN208000241 U CN 208000241U CN 201820228574 U CN201820228574 U CN 201820228574U CN 208000241 U CN208000241 U CN 208000241U
- Authority
- CN
- China
- Prior art keywords
- sample
- dilution
- electric conductivity
- valve
- conductivity detector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model provides a kind of sample automatic dilution device, belongs to microscale microscope technical field.Sample automatic dilution device, including control system, sample feeding pipe, electric conductivity detector, sample pump, dilution pumps and quantitative loop, sample feeding pipe is used for sample stoste sample introduction, sample feeding pipe, electric conductivity detector, sample pump and quantitative loop are sequentially communicated, dilution pumps are for absorbing dilution, dilution pumps are connected to quantitative loop, and control system is electrically connected with electric conductivity detector, sample pump and dilution pumps.This detection device 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 utility model is related to microscale microscope technical fields, in particular to a kind of sample automatic dilution device.
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.
Utility model content
The purpose of this utility model is to provide a kind of sample automatic dilution devices, can be diluted sample introduction automatically, carry
The working efficiency of high user.
The utility model is realized using following technical scheme:
A kind of sample automatic dilution device, including control system, sample feeding pipe, electric conductivity detector, sample pump, dilution pumps and fixed
Ring is measured, sample feeding pipe is used for sample stoste sample introduction, and sample feeding pipe, electric conductivity detector, sample pump and quantitative loop are sequentially communicated, and dilution pumps are used
In absorbing dilution, dilution pumps are connected to quantitative loop, and control system is electrically connected with electric conductivity detector, sample pump and dilution pumps.
Further, in the utility model preferred embodiment, above-mentioned sample automatic dilution device further includes sample caching
Pipe and outlet shutoff valve, sample caching pipe are connected to electric conductivity detector and sample pump and are cached positioned at sample the same end of pipe,
One end of the separate electric conductivity detector of sample caching pipe is connected to outlet shutoff valve, and outlet shutoff valve is electrically connected with control system.
Further, in the utility model preferred embodiment, above-mentioned sample automatic dilution device further includes four-way valve, and four
Port valve is connected to electric conductivity detector, sample caching pipe and sample pump respectively.
Further, in the utility model preferred embodiment, above-mentioned four-way valve selectively connection dilution pumps.
Further, in the utility model preferred embodiment, above-mentioned sample automatic dilution device further includes dilution bottle,
Dilution bottle is for being connected to dilution pumps.
Further, in the utility model preferred embodiment, above-mentioned sample automatic dilution device further includes waste liquid bottle, is given up
Liquid bottle is used to be connected to the side of the separate sample caching pipe of outlet shutoff valve.
Further, in the utility model preferred embodiment, above-mentioned sample automatic dilution device further includes triple valve, and three
Port valve is respectively communicated with sample pump, dilution pumps and quantitative loop.
Further, in the utility model preferred embodiment, above-mentioned sample automatic dilution device further includes automatic sampling
Device, control system are electrically connected with autosampler, and autosampler is connected to the side of the separate electric conductivity detector of sample feeding pipe.
Further, in the utility model preferred embodiment, above-mentioned sample automatic dilution device further includes sample bottle, sample
Product bottle is connected to the side of the separate electric conductivity detector of sample feeding pipe.
Further, in the utility model preferred embodiment, above-mentioned sample automatic dilution device further includes sample inlet
Shut-off valve, sample inlet shut-off valve are set between sample feeding pipe and electric conductivity detector, sample inlet shut-off valve and control system electricity
Connection.
The advantageous effect for the sample automatic dilution device that the preferred embodiment of the utility model provides is:Sample feeding pipe is used for sample
Product stoste sample introduction, sample feeding pipe, electric conductivity detector, sample pump and quantitative loop are sequentially communicated, and dilution pumps are diluted for absorbing dilution
Pump is connected to quantitative loop, and control system is electrically connected with electric conductivity detector, sample pump and dilution pumps, and sample feeding pipe inhales sample stoste
It takeing in electric conductivity detector, 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 the extension rate of sample stoste, control system control sample
Sample stoste is absorbed into quantitative loop by pump from electric conductivity detector, and control system controls dilution pumps according to determining extension rate
Dilution is absorbed into quantitative loop, so that sample stoste and dilution is uniformly mixed in quantitative loop, this quantitative loop is ion
Chromatographic quantitative loop, you can carry out the detection of ion chromatography, realize automatic dilution sample introduction.Sample is detected by electric conductivity detector
The electric conductivity value of stoste come judge sample stoste need extension rate, keep operation more accurate, the sample concentration after dilution from
In the chromatographic detection range of son, the working efficiency of user is improved.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
The scope of protection of the utility model is also belonged to obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the piping connection schematic diagram for the sample automatic dilution device that the utility model embodiment provides;
Fig. 2 is the functional block diagram for the sample automatic dilution device that the utility model embodiment provides.
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
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.Therefore, below to attached
The detailed description of the embodiments of the present invention provided in figure is not intended to limit claimed the scope of the utility model,
But it is merely representative of the selected embodiment of the utility model.Based on the embodiments of the present invention, ordinary skill people
The every other embodiment that member is obtained without creative efforts belongs to the model of the utility model protection
It encloses.
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 utility model 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 above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of sample automatic dilution device, which is characterized in that pumped including control system, sample feeding pipe, electric conductivity detector, sample,
Dilution pumps and quantitative loop, the sample feeding pipe are used for sample stoste sample introduction, the sample feeding pipe, the electric conductivity detector, the sample
Pump and the quantitative loop are sequentially communicated, and the dilution pumps are for absorbing dilution, and the dilution pumps are connected to the quantitative loop, institute
Control system is stated to be electrically connected with the electric conductivity detector, sample pump and the dilution pumps.
2. sample automatic dilution device according to claim 1, which is characterized in that the sample automatic dilution device also wraps
Include sample caching pipe and outlet shutoff valve, sample caching pipe is pumped with the electric conductivity detector and the sample to be connected to and position
The same end of pipe is cached in the sample, one end far from the electric conductivity detector of the sample caching pipe is cut with the outlet
Only valve is connected to, and the outlet shutoff valve is electrically connected with the control system.
3. sample automatic dilution device according to claim 2, which is characterized in that the sample automatic dilution device also wraps
Four-way valve is included, the four-way valve is connected to the electric conductivity detector, sample caching pipe and sample pump respectively.
4. sample automatic dilution device according to claim 3, which is characterized in that described in the four-way valve selectively connection
Dilution pumps.
5. according to claim 2-4 any one of them sample automatic dilution devices, which is characterized in that the sample is automatically dilute
Release device further includes dilution bottle, and the dilution bottle is for being connected to the dilution pumps.
6. according to claim 2-4 any one of them sample automatic dilution devices, which is characterized in that the sample is automatically dilute
Release device further includes waste liquid bottle, and the waste liquid bottle is used to be connected to one far from sample caching pipe of the outlet shutoff valve
Side.
7. sample automatic dilution device according to claim 1, which is characterized in that the sample automatic dilution device also wraps
Triple valve is included, the triple valve is respectively communicated with the sample pump, the dilution pumps and the quantitative loop.
8. sample automatic dilution device according to claim 1, which is characterized in that the sample automatic dilution device also wraps
Autosampler is included, the control system is electrically connected with the autosampler, the autosampler and the sample feeding pipe
Side far from the electric conductivity detector is connected to.
9. sample automatic dilution device according to claim 1, which is characterized in that the sample automatic dilution device also wraps
Sample bottle is included, the sample bottle is connected to the side far from the electric conductivity detector of the sample feeding pipe.
10. sample automatic dilution device according to claim 8 or claim 9, which is characterized in that the sample automatic dilution device
Further include sample inlet shut-off valve, the sample inlet shut-off valve is set between the sample feeding pipe and the electric conductivity detector,
The sample inlet shut-off valve is electrically connected with the control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820228574.8U CN208000241U (en) | 2018-02-08 | 2018-02-08 | A kind of sample automatic dilution device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820228574.8U CN208000241U (en) | 2018-02-08 | 2018-02-08 | A kind of sample automatic dilution device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208000241U true CN208000241U (en) | 2018-10-23 |
Family
ID=63838345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820228574.8U Active CN208000241U (en) | 2018-02-08 | 2018-02-08 | A kind of sample automatic dilution device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208000241U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108267356A (en) * | 2018-02-08 | 2018-07-10 | 中国科学院寒区旱区环境与工程研究所 | A kind of sample automatic dilution device |
| CN114166576A (en) * | 2021-11-22 | 2022-03-11 | 深圳市奥图威尔科技有限公司 | Closed sampling device capable of quantitatively sampling |
-
2018
- 2018-02-08 CN CN201820228574.8U patent/CN208000241U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108267356A (en) * | 2018-02-08 | 2018-07-10 | 中国科学院寒区旱区环境与工程研究所 | A kind of sample automatic dilution device |
| CN114166576A (en) * | 2021-11-22 | 2022-03-11 | 深圳市奥图威尔科技有限公司 | Closed sampling device capable of quantitatively sampling |
| CN114166576B (en) * | 2021-11-22 | 2023-06-30 | 深圳市奥图威尔科技有限公司 | Closed sampling device capable of quantitatively sampling |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108318608A (en) | A kind of method of sample automatic dilution | |
| CN103398894B (en) | A kind of air mix facilities of proportion adjustable and dilution process | |
| CN204116276U (en) | The liquid conveying system of full-automatic capillary electrophoresis apparatus | |
| CN207457147U (en) | A kind of non-methane total hydrocarbons and benzene homologues on-line monitoring chromatograph | |
| GB2536749B (en) | Liquid flow rate measurement device | |
| CN108267356A (en) | A kind of sample automatic dilution device | |
| CN208000241U (en) | A kind of sample automatic dilution device | |
| CN102262163B (en) | Rapid and automatic determination method and device for tripolycyanamide content in dairy products | |
| JPH07260644A (en) | Sampler for gas analysis | |
| CN203241404U (en) | Automatic multi-parameter chemical reagent filling device of water quality online analyzer | |
| CN213903428U (en) | Non-methane total hydrocarbon analysis device | |
| CN202837170U (en) | Element morphology analysis flow path system used for being combined with atomic fluorescence | |
| CN201034987Y (en) | Gas chromatograph gas analysis twice sample introduction device | |
| CN202330372U (en) | Ion chromatography system for detecting petroleum drilling solution in an online manner | |
| CN107064029A (en) | A kind of nitrous acid and concentration of nitric acid on-line measurement system and measuring method | |
| CN110261510A (en) | A kind of on-line automatic sampling device detected for volatile organic matter in water | |
| CN203037630U (en) | Sample injection system of gas chromatograph | |
| CN202974872U (en) | Steam generation and steam-liquid separation system | |
| CN208297540U (en) | A kind of Flow Injection Analysis device for saving reagent solution | |
| CN207992252U (en) | A kind of automatic sampling apparatus | |
| CN217820203U (en) | Automatic gas sampling and analyzing device | |
| CN204789499U (en) | One way autoinjection gas chromatograph | |
| CN204892469U (en) | Wash integrated equipment of chromatographic column | |
| CN211453502U (en) | Biochemical derivation detector | |
| CN208752045U (en) | A kind of gas chromatograph sampling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200602 Address after: 730000 No.318, Donggang West Road, Chengguan District, Lanzhou City, Gansu Province Patentee after: NORTHWEST INSTITUTE OF ECO-ENVIRONMENT AND RESOURCES, CAS Address before: Chengguan District of Gansu city of Lanzhou province Donggang West Road 730000 No. 320 Patentee before: Institute of environment and Engineering in cold and dry areas, Chinese Academy of Sciences |