CN206583684U - A kind of laboratory standard solution preparation device - Google Patents
A kind of laboratory standard solution preparation device Download PDFInfo
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- CN206583684U CN206583684U CN201720215902.6U CN201720215902U CN206583684U CN 206583684 U CN206583684 U CN 206583684U CN 201720215902 U CN201720215902 U CN 201720215902U CN 206583684 U CN206583684 U CN 206583684U
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Abstract
A kind of laboratory standard solution preparation device, including buret, the polytetrafluoroethylene (PTFE) bottle for storing deionized water, storage standard mother liquor polytetrafluoroethylene (PTFE) bottle, stop,threeway, quantitative loop, magnetic valve, bypass, valve and vavuum pump, the polytetrafluoroethylene (PTFE) for storing deionized water bottle connects with buret；Buret is connected by conduit II with stop,threeway；The polytetrafluoroethylene (PTFE) bottle of storage standard mother liquor is connected by conduit I with stop,threeway；Stop,threeway is connected with magnetic valve I；Magnetic valve I is connected with quantitative loop；Quantitative loop is connected with magnetic valve II；Magnetic valve II is connected with waste liquid bottle, standard sample holding bottle respectively by conduit III；Vavuum pump is connected with waste liquid bottle, standard sample holding bottle respectively.The utility model provides a kind of device of quick and precisely preparation experiment room standard liquid, and the device can quickly and accurately configure the standard liquid of a variety of properties, improves testing efficiency, the uncertainty that reduction human factor is brought to analysis result.
Description
Technical field
The utility model is related to glaciology field, specifically refers to a kind of laboratory standard solution preparation device.
Background technology
Quantitative analysis is one of most basic means in geochemical investigation, and calibration curve is that analytical instrument is quantified
The important method of detection.Main process is a series of standard that concentration knowns are configured in the linear response range of measuring instrument
Solution, is fitted followed by concentration known and measured value and obtains linear relationship, and it is dense to derive test substance according to linear relationship
The method of degree.This method basic demand is that instrument is consistent with the response of object for standard.If mark in test process
The concentration of quasi- sample is with aimed concn to be measured closer to the uncertainty of measured result is smaller；In the linear response range of instrument
Interior, the concentration gradient of the standard liquid of configuration is smaller, the uncertainty of the physics and chemistry attribute of the sample come detected by standard curve
It is smaller.
In configuration standard solution processes, first according to the sensitivity of instrument and the linear response range of instrument, configuration one
Series and the standard liquid of testing sample concentration comparable, and cover the concentration ranges of all testing samples.With calibration curve method
During calculating, conventional method requirement is linear to be more than 0.99, and if greater than 0.999, test result is more reliable.This requires the mark of configuration
Deviation between quasi- solution concentration and theoretical value is very small.It is typically experimenter's manual configuration standard liquid at present, and people
The concentration of standard solution of work configuration and the deviation and experimenter's oneself factor of theoretical value are closely related, and same item works different realities
The standard liquid of the person's of testing configuration brings very big uncertainty, or even influence scientist to divide data to sample detection result
Analysis.Manual configuration series of standards solution is the work taken very much simultaneously.Given this one kind is devised quick and precisely to match somebody with somebody
The device of laboratory standard solution processed, improves testing efficiency, the uncertainty that reduction human factor is brought to analysis result.
Utility model content
In order to overcome the shortcomings of the prior art, the purpose of this utility model aims to provide a kind of quick and precisely prepare in fact
Test the device of room standard liquid.
The utility model solves the technical scheme that its technical problem used：
A kind of laboratory standard solution preparation device, including buret, the polytetrafluoroethylene (PTFE) bottle for storing deionized water, storage
Polytetrafluoroethylene (PTFE) bottle, stop,threeway, quantitative loop, magnetic valve, bypass, valve and the vavuum pump of standard mother liquor, store deionized water
Polytetrafluoroethylene (PTFE) bottle connected with buret；Buret is connected by conduit II with stop,threeway；Poly- the four of storage standard mother liquor
PVF bottle is connected by conduit I with stop,threeway；Stop,threeway is connected with magnetic valve I；Magnetic valve I is connected with quantitative loop；It is fixed
Amount ring is connected with magnetic valve II；Magnetic valve II is connected with waste liquid bottle, standard sample holding bottle respectively by conduit III；Vavuum pump is distinguished
Connected with waste liquid bottle, standard sample holding bottle.
Valve I is provided between above-mentioned magnetic valve II and standard sample holding bottle.
Valve II is provided between above-mentioned vavuum pump and standard sample holding bottle.
Above-mentioned magnetic valve I is connected by bypass with magnetic valve II.
Advantage and beneficial effect of the present utility model are：
The utility model provides a kind of laboratory standard solution preparation device, and the device can quickly and accurately configure a variety of
The standard liquid of property, improves testing efficiency, the uncertainty that reduction human factor is brought to analysis result.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
With reference to embodiment and accompanying drawing, the utility model is described further：
As shown in figure 1, a kind of laboratory standard solution preparation device, including buret 1, the polytetrafluoro for storing deionized water
Polytetrafluoroethylene (PTFE) bottle 3, stop,threeway 6, quantitative loop 7, magnetic valve II 8, bypass 10, the valve II of ethene bottle 2, storage standard mother liquor
14 and vavuum pump 15, the polytetrafluoroethylene (PTFE) bottle 2 for storing deionized water is connected with buret 1；Buret 1 passes through conduit II 5 and three
Logical piston 6 is connected；The polytetrafluoroethylene (PTFE) bottle 3 of storage standard mother liquor is connected by conduit I 4 with stop,threeway 6；Stop,threeway 6 with
Magnetic valve I 9 is connected；Magnetic valve I 9 is connected with quantitative loop 7；Quantitative loop 7 is connected with magnetic valve II 8；Magnetic valve II 8 passes through conduit III
12 connect with waste liquid bottle 16, standard sample holding bottle 17 respectively；Vavuum pump 15 connects with waste liquid bottle 16, standard sample holding bottle 17 respectively
It is logical；Valve I 13 is provided between described magnetic valve II 8 and standard sample holding bottle 17；Described vavuum pump 15 is stored with standard sample
Valve II 14 is provided between bottle 17；Described magnetic valve I 9 is connected by bypass 10 with magnetic valve II 8.
Embodiment
All valves are first shut off, polytetrafluoroethylene (PTFE) bottle 2 of the extruding equipped with deionized water makes to fill water in buret 1, beaten
Opening stop,threeway 6 makes conduit II 5 be connected with magnetic valve I 9, then opening magnetic valve II 8 and magnetic valve I 9 and vavuum pump 15 successively,
With the deionized water rinsing pipeline in buret 1.
Extruding is equipped with the polytetrafluoroethylene (PTFE) bottle 2 of deionized water, buret 1 and fills water again, and swivel tee piston 6 makes to lead
Pipe I 4 is connected with magnetic valve 9, and when having liquid to ooze in the conduit in waste liquid bottle 16, magnetic valve II 8 and magnetic valve I are turned off successively
9, make standard mother liquor constant volume in quantitative loop 7, magnetic valve II 8 is connected with magnetic valve I 9 by bypass 10, then swivel tee is lived
Plug 6 connects conduit 5 and magnetic valve I 9, with the flushing line again of deionized water in buret 1；
When no liquid instills waste liquid bottle 16, stop,threeway 6 is first shut off, water is filled in buret 1, then beat successively
Valve I 13, valve II 14, magnetic valve II 8 and magnetic valve 9 are driven, stop,threeway 6 is finally opened, buret 1 is connected with magnetic valve I 9
It is logical, the deionized water in buret 1 is flowed through quantitative loop 7, the standard female liquid band in quantitative loop 7 is entered into standard sample bottle 17, when
When conduit in standard sample bottle 17 does not have liquid outflow, turn off valve I 13 and valve II 14, complete the configuration of a solution
Journey.
When configuring a series of various concentrations standard liquids, many set magnetic valves and different capabilities can be added on support 11
Quantitative loop 7, realization obtains solution value in multiple quantitative loops 7 during a solution allocation, improves solution allocation efficiency.
Claims (1)
1. a kind of laboratory standard solution preparation device, including buret（1）, storage deionized water polytetrafluoroethylene (PTFE) bottle（2）、
The polytetrafluoroethylene (PTFE) bottle of storage standard mother liquor（3）, stop,threeway（6）, quantitative loop（7）, magnetic valve（8）, bypass（10）, valve
（14）And vavuum pump（15）, it is characterised in that：
Store the polytetrafluoroethylene (PTFE) bottle of deionized water（2）With buret（1）Connection；Buret（1）Pass through conduit II（5）With threeway
Piston（6）Connection；The polytetrafluoroethylene (PTFE) bottle of storage standard mother liquor（3）Pass through conduit I（4）With stop,threeway（6）Connection；Threeway is lived
Plug（6）With magnetic valve I（9）Connection；Magnetic valve I（9）With quantitative loop（7）Connection；Quantitative loop（7）With magnetic valve II（8）Connection；Electricity
Magnet valve II（8）Pass through conduit III（12）Respectively with waste liquid bottle（16）, standard sample holding bottle（17）Connection；Vavuum pump（15）Respectively with
Waste liquid bottle（16）, standard sample holding bottle（17）Connection；Described magnetic valve II（8）With standard sample holding bottle（17）Between be provided with valve
Door I（13）；Described vavuum pump（15）With standard sample holding bottle（17）Between be provided with valve II（14）；Described magnetic valve I（9）
Pass through bypass（10）With magnetic valve II（8）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720215902.6U CN206583684U (en) | 2017-03-07 | 2017-03-07 | A kind of laboratory standard solution preparation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720215902.6U CN206583684U (en) | 2017-03-07 | 2017-03-07 | A kind of laboratory standard solution preparation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206583684U true CN206583684U (en) | 2017-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720215902.6U Active CN206583684U (en) | 2017-03-07 | 2017-03-07 | A kind of laboratory standard solution preparation device |
Country Status (1)
| Country | Link |
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| CN (1) | CN206583684U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108572103A (en) * | 2017-03-07 | 2018-09-25 | 中国科学院寒区旱区环境与工程研究所 | A kind of laboratory standard solution preparation device |
-
2017
- 2017-03-07 CN CN201720215902.6U patent/CN206583684U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108572103A (en) * | 2017-03-07 | 2018-09-25 | 中国科学院寒区旱区环境与工程研究所 | A kind of laboratory standard solution preparation device |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200812 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: 730000 Gansu city of Lanzhou province Donggang West Road No. 320 Patentee before: Institute of environment and Engineering in cold and dry areas, Chinese Academy of Sciences |
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| TR01 | Transfer of patent right |