CN208297360U - A kind of Cation Exchange Capacity in Soils analyzer - Google Patents
A kind of Cation Exchange Capacity in Soils analyzer Download PDFInfo
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- CN208297360U CN208297360U CN201821034890.8U CN201821034890U CN208297360U CN 208297360 U CN208297360 U CN 208297360U CN 201821034890 U CN201821034890 U CN 201821034890U CN 208297360 U CN208297360 U CN 208297360U
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- bottle
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- soils
- analyzer
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Abstract
The utility model discloses a kind of Cation Exchange Capacity in Soils analyzers, the pedestal is equipped with sample tray, filter membrane is equipped in sample bottle, the side of sample tray is equipped with experimental box, the upper end of experimental box is equipped with experiment mouth, it tests mouth and sample bottle cooperates, the side of experimental box is equipped with rotary cylinder, condensing bulb, steam generation bottle, the rotary cylinder is equipped with sample bottle cap, sample bottle is covered equipped with steam inlet, steam (vapor) outlet, reagent adding mouth, pressurization hole, steam generation bottle is connect by pipeline with steam inlet, the condensing bulb is connected to by pipeline with steam (vapor) outlet, pedestal is equipped with reagent addition pump, receiving bottle, air compressor, the upper end of receiving bottle is equipped with buret, pedestal is equipped with linear motion mould group, the linear motion mould group is equipped with manipulator；The analyzer of the utility model realize elute automatically, produce solution, titration is detected on one, solve the problems, such as that current manual titration causes experimental data inaccurate.
Description
Technical field
The utility model relates to laboratory equipment technical field more particularly to a kind of Cation Exchange Capacity in Soils analyzers.
Background technique
The measurement of Cation Exchange Capacity in Soils is influenced by many factors, as the property of exchanger, concentration of salt solution and pH,
ELUTION METHOD etc., it is necessary to which stringent operating technology of grasping could obtain reliable result.
Current elution equipment is primarily used to produce pedotheque solution, carries out manual titration again then to obtain experiment
Data, this mode is not only complex for operation step, and efficiency is lower, and manual titration's error is larger, the experiment number finally obtained
According to less reliable.
Utility model content
The utility model provides a kind of Cation Exchange Capacity in Soils measurement aiming at deficiencies of the prior art
Instrument, realize elute automatically, produce solution, titration is detected on one, solving current manual titration causes experimental data inaccurate
True problem, while working efficiency is increased, the time is saved, error is reduced, makes experimental data relatively reliable, accurately.
The technical solution that the utility model solves technical problem is:
A kind of Cation Exchange Capacity in Soils analyzer, including pedestal, sample bottle, reagent bottle, controller, solenoid valve, it is described
The quantity of reagent bottle be it is multiple, multiple reagent bottles are provided with different reagents, characterized in that the pedestal be equipped with sample carrier
Disk, sample tray are equipped with bottle slot, and sample bottle is mounted in bottle slot, filter membrane are equipped in sample bottle, the side of sample tray is set
Have an experimental box, the upper end of experimental box is equipped with experiment mouth, and experiment mouth and sample bottle cooperate, the side of experimental box be equipped with rotary cylinder,
Condensing bulb, steam generation bottle, the rotary cylinder are equipped with sample bottle cap, and the sample bottle is covered on the top of experiment mouth, sample
Product bottle cap and sample bottle cooperate, and sample bottle is covered equipped with steam inlet, steam (vapor) outlet, reagent adding mouth, pressurization hole, steam generation
Bottle is connect by pipeline with steam inlet, and the condensing bulb is connected to by pipeline with steam (vapor) outlet, and pedestal is added equipped with reagent
Pump, receiving bottle, the side of pedestal are equipped with air compressor, and one end of reagent addition pump is connect by pipeline with reagent adding mouth,
The other end of reagent addition pump is connect by pipeline with reagent bottle, and the air compressor is connected to by pipeline with pressurization hole, institute
Receiving bottle and condensing bulb are stated by pipeline connection, the side of receiving bottle is equipped with liquid level sensor and color sensor, receiving bottle
Upper end is equipped with buret, and buret is connect by titrating pump with the reagent bottle for holding titrating solution, and pedestal is equipped with linear motion mould
Group, the linear motion mould group are equipped with manipulator.
The upper end outer ledge of the sample bottle is equipped with bottle edge, and the lower end of sample bottle is hatch frame, the lower end of sample bottle
Equipped with connector, the diameter of connector is less than the diameter of sample bottle, and the filter membrane is placed in the upper end of connector, on connector
Equipped with bottom of bottle lid, bottom of bottle lid is threadedly engaged with connector, and bottom of bottle is covered equipped with drainage hole.
The downside of the experimental box is equipped with exhausted bath box, and exhausted bath box is mounted on the upper end of pedestal, between experimental box and exhausted bath box
Pass through pipeline connection.
The pedestal is equipped with bracket, and the linear motion mould is mounted on bracket.
The upper end of the pedestal is cased with chassis shell, and chassis shell is equipped with drawing hole, and sample tray is set in drawing hole, sample
The rear side of pallet is equipped with close to switch, described to be set on bracket close to switch.
The controller is fixed on chassis shell, and the side of controller is equipped with mini-printer, mini-printer and control
Device electrical connection.
The steam generation bottle includes bottle body, and the inside of the bottle body is equipped with heater strip, and the lower end of bottle body connects equipped with electric wire
The side of head, steam generation bottle is equipped with small pump, and small pump is connected to bottle body.
The pedestal is equipped with receiving bottle mounting base, and the receiving bottle is fixed in receiving bottle mounting base.
Screw thread is equipped on the outside of the upper end of the receiving bottle, the upper end of receiving bottle is equipped with bottle cap, and bottle cap and receiving bottle screw thread connect
It connects, bottle cap is equipped with multiple pipe joints.
The pedestal is equipped with cleaning pump, the quantity of cleaning pump be it is multiple, experimental box and receiving bottle are connected with cleaning pump, institute
The lower end for stating receiving bottle is equipped with drainage hole, and drainage hole is connected to by cleaning pump with exhausted bath box.
The utility model has the beneficial effects that
1. the analyzer of the utility model realize elute automatically, produce solution, titration be detected on one, experimenter adds
After only needing to set data by controller after upper sample, equipment can be automatically performed all experimentations, solve
Manual titration leads to the problem of experimental data inaccuracy at present, while increasing working efficiency, saves the time, reduces mistake
Difference makes experimental data relatively reliable, accurately；Staff can be liberated simultaneously, the mistake for allowing staff to detect automatically in equipment
Cheng Zhongke carries out other work with having time, improves work efficiency, the automatic operating of equipment ensure that the peace of experimentation
Quan Xing.
2. the utility model increases bottle along the crawl that can be convenient for manipulator at sample bottle edge, guarantee the secured of crawl
Property, while when being installed in experiment mouth, sample bottle can be fixed, be hung, the lower section of sample bottle is connector, can
Fixation being supported to filter membrane, it is no longer necessary to by other branch stake tools, while can be threadedly engaged with bottom of bottle lid, it can
The bottom of bottle lid of disassembly can be convenient for subsequent cleaning, avoid the deposition of dirt, easy to use.
3. exhausted bath box is arranged in the utility model, centralized collection processing is carried out to experiment wastewater, avoids experiment wastewater to ring
The pollution and destruction in border, ensure that the health in experimentation.
4. chassis shell is arranged in the utility model, whole process is completed in chassis shell, on the one hand can be to equipment and reagent
Bottle plays a protective role, while preventing external environment from reagent is polluted and being interfered with sample, it is ensured that the reliability of experiment, separately
On the one hand the reagent that can be avoided in experimentation splashes on the body of experimenter, guarantees the safety of experiment, also avoids personnel
Accidentally laboratory apparatus is caused to collide with, chassis shell increases the safety of experiment, has double protection effect.
5. the utility model is positioned proximate to switch, it is ensured that sample tray is installed in place rear equipment and just starts operation, prevents sample
The problem of installation of product disk is not in place, prevents manipulator from can not accurately grab sample bottle, avoids the problem that colliding with, damage.
6. the utility model has acted on behalf of experiment by the transfer of manipulator and the cooperation realization sample bottle position for moving mould group
The artificial transfer of personnel, improves efficiency, increases the safety in transfer process.
7. the utility model is additionally arranged mini-printer, experimental data can be printed in time after the end of the experiment,
The convenience used is increased, facilitates control of the experimenter to experimental data, automatic printing is simple and quick, save the time, make
With convenience.
8. the utility model designs a kind of steam generation bottle, vapor is provided for experimentation, device structure is simple, manufacture
It is easy, easy to use, cost is relatively low.
9. the utility model is equipped with receiving bottle mounting base on pedestal, it can guarantee the fastness that receiving bottle is placed, avoid
Receiving bottle is flushed to by various pipelines in logical liquid, it is ensured that the safety during experiment progress.
10. the utility model increases cleaning pump, the auto-flushing to receiving bottle, experimental box can be realized, flushing effect is good,
Speed is fast, saves water resource, saves the time manually cleaned, improves efficiency.
11. color sensor and liquid level sensor is arranged in the utility model, it is ensured that receive the accuracy of liquor capacity, color
Sensor can determine titration end-point automatically, instead of artificial observation, save manpower, while detection is more accurate, improves reality
Test the accuracy of data.
12. the utility model installs bottle cap in the upper end of receiving bottle, the pipeline connecting with receiving bottle can be fixed,
The reliability for ensuring use process avoids slipping in pipeline use.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the inside overall structure diagram that the utility model removes chassis shell；
Fig. 3 is sample bottle structural schematic diagram.
In figure, 1- chassis shell；2- controller；3- mini-printer；4- sample tray；5- sample bottle；501- bottles of edges；502-
Connector；503 bottom of bottle lids；504- drainage hole；6- manipulator；7- linear motion mould group；8- steam generation bottle；9- rotary cylinder；
10- sample bottle cap；11- experimental box；12- condensing bulb；13- liquid level sensor；14- color sensor；15- receiving bottle；16- waste liquid
Case；17- pedestal；18- bracket；19- cleaning pump.
Specific embodiment
The utility model in order to better understand explains in detail the embodiments of the present invention with reference to the accompanying drawing.
As shown in Fig. 2, a kind of Cation Exchange Capacity in Soils analyzer, including pedestal 17, sample bottle 5, reagent bottle, controller
2, solenoid valve, the quantity of the reagent bottle be it is multiple, multiple reagent bottles are provided with different reagents, and the pedestal 17 is equipped with sample
Product pallet 4, sample tray 4 are equipped with bottle slot, the quantity of the bottle slot be it is multiple, 9 are equipped in the present embodiment, sample bottle 5 is pacified
It in bottle slot, can prevent sample bottle 5 from toppling over, filter membrane is equipped in sample bottle 5, filter membrane is filtered using polytetrafluoro micropore
Film, the side of sample tray 4 are equipped with experimental box 11, and the upper end of experimental box 11 is equipped with experiment mouth, and experiment mouth is settable multiple, at this
2 are provided in embodiment, experiment mouth and sample bottle 5 cooperate, and the height of experimental box 11 is greater than 5 height of sample bottle, by sample bottle 5
It is placed in experiment mouth, guarantees that sample bottle 5 can be vacantly in experimental box 11, convenient for the lower end drain of sample bottle 5.
The side of experimental box 11 is equipped with rotary cylinder 9, condensing bulb 12, steam generation bottle 8, the corresponding rotation of each experiment mouth
Rotaring cylinder 8, the rotary cylinder 8 are equipped with sample bottle cap 10, and the sample bottle cap 10 is set to the top of experiment mouth, sample bottle cap
10 cooperate with sample bottle 5, and when being tested, sample bottle cap 10 is used to seal sample bottle 5, and sample bottle cap 10 is equipped with steam
Import, steam (vapor) outlet, reagent adding mouth, pressurization hole, steam generation bottle 8 are connect by pipeline with steam inlet, the condensing bulb
12 are connected to by pipeline with steam (vapor) outlet, and pipeline is equipped with solenoid valve.
Pedestal 17 is equipped with the side of reagent addition pump, receiving bottle 15, pedestal equipped with air compressor, air compressor into
Row it is external, do not reside in cabinet, reagent addition pump for card mole pump, card a mole pump be provided with 4, respectively from different reagents
One end of bottle connection, reagent addition pump connect by pipeline with reagent adding mouth, the other end of reagent addition pump pass through pipeline and
Reagent bottle connection, the air compressor are connected to by pipeline with pressurization hole, and receiving bottle 15 is described equipped with 2 in the present embodiment
Receiving bottle 15 and condensing bulb 12 pass through pipeline connection, are equipped with solenoid valve on pipeline, prevent from being pressurizeed, adding reagent, logical
Interfere with each other influence when steam, the side of receiving bottle 15 is equipped with liquid level sensor 13 and color sensor 14, receiving bottle 15 it is upper
End is equipped with buret, and buret is connect by titrating pump with the reagent bottle for holding titrating solution, and titration pump uses syringe pump, pedestal 17
It is equipped with linear motion mould group 7, the linear motion mould group 7 is equipped with manipulator 6, and linear motion mould group 7 can guarantee machinery
Hand 6 realizes X-axis, Y-axis, the movement on Z axis.
It is fixed for the ease of the installation to sample bottle 5 and facilitates the crawl of manipulator 6, as shown in figure 3, the sample bottle
5 upper end outer ledge is equipped with bottle along 501, and the lower end of sample bottle 5 is hatch frame, and the lower end of sample bottle 5 is equipped with connector
502, the diameter of connector 502 is less than the diameter of sample bottle 5, filter membrane easy to support, and the filter membrane is placed in connector 502
Upper end, connector 502 is equipped with bottom of bottle lid 503, and bottom of bottle lid 503 is threadedly engaged with connector 502, convenient for cleaning, bottom of bottle lid
503 are equipped with drainage hole 504.
The downside of the experimental box 11 is equipped with exhausted bath box 16, and exhausted bath box 16 is mounted on the upper end of pedestal 17, experimental box 11 with
Pass through pipeline connection between exhausted bath box 16.
The pedestal 17 is equipped with bracket 18, and the linear motion mould group 7 is set on bracket 18.
As shown in Figure 1, the upper end of the pedestal 17 is cased with chassis shell 1, guarantee operates with safety, and chassis shell 1 is equipped with
Drawing hole, the downside of sample tray 4 are equipped with electrical appliance kit, and electrical appliance kit is equipped with electric elements, and sample tray 4 is mounted on the upper of electrical appliance kit
Side, electrical appliance kit are equipped with slideway, and sample tray 4 is mounted on slideway, and sample tray 4 is set in drawing hole, can be from drawing hole
Addition sample is inside pulled out, it is that tri- line of NPN is normally opened close to switch, institute close to switch that the rear side of sample tray 4, which is equipped with close to switch,
It states and is set on bracket 18 close to switch.
The controller 2 is fixed on chassis shell 1, and controller 2 is controlled using PLC, and the side of controller 2 is equipped with miniature beat
Print machine 3, mini-printer 3 are electrically connected with controller 2.
The steam generation bottle 8 includes bottle body, and the inside of the bottle body is equipped with heater strip, and the lower end of bottle body connects equipped with electric wire
The side of head, steam generation bottle 8 is equipped with small pump, and small pump is connected to bottle body.
The pedestal 17 is equipped with receiving bottle mounting base, and the receiving bottle 17 is fixed in receiving bottle mounting base, described to connect
It receives and is equipped with screw thread on the outside of the upper end of bottle 15, the upper end of receiving bottle 15 is equipped with bottle cap, and bottle cap is threadedly coupled with receiving bottle 15, on bottle cap
Equipped with multiple pipe joints, pipe joint respectively with buret, the cleaning pipe of flushing, the pipeline that is connect with condensing bulb into
Row connection, is fixed pipeline.
The pedestal 17 is equipped with cleaning pump 19, and the quantity of cleaning pump 19 is multiple, setting 3 in the present embodiment, experiment
Case 11 and receiving bottle 15 are connected with a cleaning pump 19, are used to be rinsed experimental box 11 and receiving bottle 15 after experiment,
The lower end of the receiving bottle 15 is equipped with drainage hole, and drainage hole is connected to by a cleaning pump 19 with exhausted bath box 16, is used to receive
Waste liquid in bottle 15 is extracted into exhausted bath box 16, and solenoid valve is equipped on pipeline.
When being tested, the bottle slot on sample tray 4 is numbered for 1-9, and in input controller 2, first will
Sample tray 4 is pulled out out of chassis shell 1, then will be put into filter membrane in sample bottle 5,9 sample bottles, respectively correspond 9 altogether
Bottle slot, is not added sample in first sample bottle, and as experiment contrast, pedotheque is added in remaining；Then sample tray 4 is pushed away
Into in chassis shell 1, sample tray 4 in place after, tri- line of NPN it is normally opened close to switch can sense sample tray 4, at this time program unlock
Start to start, incude close to switch less than sample tray 4 if tri- line of NPN is normally opened, program does not start；It is mechanical after program starting
Hand 6 grabs sample bottle 5, while rotary cylinder 9 rises and rotate to side, and sample bottle 5 is placed into experiment mouth simultaneously by manipulator 6
After being moved to 4 top of sample tray, rotary cylinder 9 declines, and sample bottle cap 10 is covered on sample bottle 5；It is rubbed at this time by card
You pump the addition ammonium acetate solution 60ml into sample bottle 5, and then to pressurization diafiltration is carried out in sample bottle 5, diafiltration 4 times repeatedly are filtered
After washing, 2ml paraffin solution, 1ml NaOH solution, pure water are added into sample bottle 5, then passes through steam generation bottle 8 to sample
Vapor is added in product bottle 5 and carries out distillation 20 minutes, steam, which passes through, flows into receiving bottle 15 after condensing bulb 12 condenses, in receiving bottle 15
80ml solution is received, the volume of solution in receiving bottle 15 is detected by liquid level sensor 13,80ml is reached and distills stopping later,
Then the solution in receiving bottle 15 is titrated, titration end-point is judged by color sensor 14, after the completion of titration, passed through
Solution in receiving bottle 15 is evacuated in exhausted bath box 16 by cleaning pump 19, then by another cleaning pump 19 to receiving bottle 15 and reality
Tryoff 11 is rinsed, and washing time is 1 minute, is then successively carried out to the sample in other sample bottles 5 according to above-mentioned steps
Detection, all experimental datas are printed automatically by mini-printer 3 after the completion of waiting all samples to detect.
Although the utility model has shown that and describes the utility model embodiment, to those skilled in the art
It says, it is possible to understand that a variety of to the progress of these embodiments can change in the case where not departing from the principles of the present invention and spirit, modify,
Replacement and variant belongs within the claims protection scope of the utility model.
Claims (10)
1. a kind of Cation Exchange Capacity in Soils analyzer, including pedestal, sample bottle, reagent bottle, controller, solenoid valve, the examination
The quantity of agent bottle be it is multiple, multiple reagent bottles are provided with different reagents, characterized in that the pedestal be equipped with sample tray,
Sample tray is equipped with bottle slot, and sample bottle is mounted in bottle slot, and filter membrane is equipped in sample bottle, and the side of sample tray is equipped with real
Tryoff, the upper end of experimental box are equipped with experiment mouth, and experiment mouth and sample bottle cooperate, and the side of experimental box is equipped with rotary cylinder, condensation
Bottle, steam generation bottle, the rotary cylinder are equipped with sample bottle cap, and the sample bottle is covered on the top of experiment mouth, sample bottle
Lid cooperates with sample bottle, and sample bottle is covered equipped with steam inlet, steam (vapor) outlet, reagent adding mouth, pressurization hole, and steam generation bottle is logical
It crosses pipeline to connect with steam inlet, the condensing bulb is connected to by pipeline with steam (vapor) outlet, and pedestal is equipped with reagent addition pump, connects
Bottle is received, the side of pedestal is equipped with air compressor, and one end of reagent addition pump is connect by pipeline with reagent adding mouth, and reagent adds
The other end of pump is added to connect by pipeline with reagent bottle, the air compressor is connected to by pipeline with pressurization hole, the reception
Bottle is with condensing bulb by pipeline connection, and the side of receiving bottle is equipped with liquid level sensor and color sensor, and the upper end of receiving bottle is set
There is buret, buret is connect by titrating pump with the reagent bottle for holding titrating solution, and pedestal is equipped with linear motion mould group, described
The mould group that moves along a straight line is equipped with manipulator.
2. a kind of Cation Exchange Capacity in Soils analyzer as described in claim 1, characterized in that outside the upper end of the sample bottle
Side edge is equipped with bottle edge, and the lower end of sample bottle is hatch frame, and the lower end of sample bottle is equipped with connector, and the diameter of connector is less than
The diameter of sample bottle, the filter membrane are placed in the upper end of connector, and connector is equipped with bottom of bottle lid, bottom of bottle lid and connector spiral shell
Line cooperation, bottom of bottle are covered equipped with drainage hole.
3. a kind of Cation Exchange Capacity in Soils analyzer as described in claim 1, characterized in that set on the downside of the experimental box
There is exhausted bath box, exhausted bath box is mounted on the upper end of pedestal, passes through pipeline connection between experimental box and exhausted bath box.
4. a kind of Cation Exchange Capacity in Soils analyzer as described in claim 1, characterized in that the pedestal is equipped with branch
Frame, the linear motion mould are mounted on bracket.
5. a kind of Cation Exchange Capacity in Soils analyzer as claimed in claim 4, characterized in that the upper end of the pedestal is cased with
Chassis shell, chassis shell are equipped with drawing hole, and sample tray is set in drawing hole, and the rear side of sample tray is equipped with close to switch, institute
It states and is set on bracket close to switch.
6. a kind of Cation Exchange Capacity in Soils analyzer as claimed in claim 5, characterized in that the controller is fixed on machine
In box shell, the side of controller is equipped with mini-printer, and mini-printer is electrically connected with the controller.
7. a kind of Cation Exchange Capacity in Soils analyzer as described in claim 1, characterized in that the steam generation bottle includes
Bottle body, the inside of the bottle body are equipped with heater strip, and the lower end of bottle body is equipped with power lug, and the side of steam generation bottle is equipped with moisturizing
Pump, small pump are connected to bottle body.
8. a kind of Cation Exchange Capacity in Soils analyzer as described in claim 1, characterized in that the pedestal, which is equipped with, to be received
Bottle mounting base, the receiving bottle are fixed in receiving bottle mounting base.
9. a kind of Cation Exchange Capacity in Soils analyzer as claimed in claim 8, characterized in that outside the upper end of the receiving bottle
Side is equipped with screw thread, and the upper end of receiving bottle is equipped with bottle cap, and bottle cap is threadedly coupled with receiving bottle, and bottle cap is equipped with multiple piping connections
Head.
10. a kind of Cation Exchange Capacity in Soils analyzer as described in claim 1, characterized in that the pedestal is equipped with clear
Wash pump, the quantity of cleaning pump be it is multiple, experimental box and receiving bottle are connected with cleaning pump, and the lower end of the receiving bottle is equipped with drain
Hole, drainage hole are connected to by cleaning pump with exhausted bath box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821034890.8U CN208297360U (en) | 2018-07-02 | 2018-07-02 | A kind of Cation Exchange Capacity in Soils analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821034890.8U CN208297360U (en) | 2018-07-02 | 2018-07-02 | A kind of Cation Exchange Capacity in Soils analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208297360U true CN208297360U (en) | 2018-12-28 |
Family
ID=64702384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821034890.8U Active CN208297360U (en) | 2018-07-02 | 2018-07-02 | A kind of Cation Exchange Capacity in Soils analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208297360U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844952A (en) * | 2018-07-02 | 2018-11-20 | 济南盛泰电子科技有限公司 | A kind of Cation Exchange Capacity in Soils analyzer |
| CN111179715A (en) * | 2020-01-03 | 2020-05-19 | 韩亚萍 | Preparation and inspection integrated device of toxic gas |
-
2018
- 2018-07-02 CN CN201821034890.8U patent/CN208297360U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844952A (en) * | 2018-07-02 | 2018-11-20 | 济南盛泰电子科技有限公司 | A kind of Cation Exchange Capacity in Soils analyzer |
| CN108844952B (en) * | 2018-07-02 | 2024-03-15 | 济南盛泰电子科技有限公司 | Soil cation exchange capacity tester |
| CN111179715A (en) * | 2020-01-03 | 2020-05-19 | 韩亚萍 | Preparation and inspection integrated device of toxic gas |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ding Guiying Inventor after: Wang Jiaxiu Inventor after: War Xi Lin Inventor before: Duan Zuomin Inventor before: Wang Jiaxiu Inventor before: Zhan Xilin |