CN109060496A - A kind of soil organism analyzer and analysis method - Google Patents
A kind of soil organism analyzer and analysis method Download PDFInfo
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- CN109060496A CN109060496A CN201811298015.5A CN201811298015A CN109060496A CN 109060496 A CN109060496 A CN 109060496A CN 201811298015 A CN201811298015 A CN 201811298015A CN 109060496 A CN109060496 A CN 109060496A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/44—Sample treatment involving radiation, e.g. heat
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/16—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using titration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
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Abstract
The present invention discloses a kind of soil organism analyzer and analysis method.The analyzer includes automatic resolution portion, solution translator, multiple-way valve, syringe, peristaltic pump, titration bottle and multiple solution bottles；Automatic resolution portion is for placing multiple test tubes equipped with pedotheque and heating to test tube；Solution translator is located at the top in automatic resolution portion, for being moved to right above corresponding test tube and solution being added dropwise into test tube by sample introduction needle；The both ends of solution translator are connected to the water inlet of sample introduction needle and peristaltic pump respectively, and the water outlet of peristaltic pump is connected to the entrance of titration bottle；The center multiport of multiple-way valve can be connected to any one edge single-pass mouth；Center multiport is connected to syringe；One edge single-pass mouth is connected to the second port of solution translator, and an edge single-pass mouth is connected to the entrance of titration bottle, and remaining edge single-pass mouth is connected to respectively at each solution bottle.The device of the invention and method, which can be avoided, in the analysis process damages operator.
Description
Technical field
The present invention relates to soil content analysis fields, more particularly to a kind of soil organism analyzer and analysis method.
Background technique
The measurement of soil with organic matter content is a big event in soil physical analysis, this index is to measure soil
One of the important indicator of earth fertility height, it can promote Zinc fractions structure, improve soil physics, chemistry and biological process
Condition improves the absorbent properties and cushion performance of soil, while itself contains various nutrients required for plant again, as carbon,
Nitrogen phosphate and sulfur etc..It is therefore to be understood that the fertility state of soil, it is necessary to carry out the measurement of soil organic matter content.
The measuring method principle of existing soil organic matter content is as follows:
In a heated condition, it with the organic carbon in a certain amount of oxidant (potassium bichromate-sulfuric acid solution) oxidation soil, remains
Remaining oxidant is titrated with reducing agent (iron ammonium sulfate or ferrous sulfate), can be calculated from consumed oxidant quantity organic
The content of carbon.
Continuous mode:
A, claim sample: accurately weighing the air-dried soil pattern taken by 0.149mm (100 mesh) aperture sieve with Subtraction method first
0.1~0.5g (is accurate to 0.1mg), is put into hard test tube, and powdered silver sulfate 0.1g is added, is added with suction pipe
Then 5.0mL0.8000mol/L potassium bichromate standard solution injects the 5mL concentrated sulfuric acid with syringe, and carefully rotation shakes up.
B, disappear and boil: oil bath pan being heated to 185~190 DEG C in advance, the hard test tube for filling soil pattern is inserted into iron wire
In cage, then iron wire cage is put into oil bath pan and is heated, control kettle temperature is 170~180 DEG C, and is made in hard test tube
Solution keep boiling 5.0min, then take out iron wire cage, after test tube is slightly cold, the oil outside test tube cleaned with clean paper
Liquid, the solution after such as boiling indicate that potassium bichromate dosage is insufficient, then return step A is reformed in green.
C, titrate: if solution is in orange-yellow or yellow green, it is cooling after by hard it is invisible spectro disappear boil liquid and soil it is residual
Slag is nondestructively transferred in 250mL triangular flask, is rinsed with water test tube and small funnel, washing lotion are incorporated in triangular flask, make molten in triangular flask
The total volume of liquid is controlled in 60~80mL.Add 3~4 drop phenanthroline indicator, is dripped with 0.2mol/L ferrous sulfate standard solution
Fixed remaining K2Cr2O7, the colourshifting process of solution be it is orange-bluish-green-reddish brown, it is reddish brown keep 1 minute it is colour-fast, titration terminate；
Such as use N- phenyl neighbour amido benzoic acid indicator, colourshifting process by brownish red through purple to blue-green, blue-green keep one minute not
Then titration of fading terminates.It records ferrous sulfate dosage (V).
When every batch of is analyzed, it is necessary to while doing 2~3 blank sample calibration: soil sample is not added in blank calibration, but is added about
0.1~0.5g quartz sand, other steps are identical with soil sample measurement, record ferrous sulfate dosage (V0).
Above method operation is more many and diverse, and operator will touch strong oxidizer (potassium bichromate) and strong acid (concentrated sulfuric acid)
Deng to the higher substance of human injury's property, and High-temperature Digestion method is used, is easy to damage operator.
Summary of the invention
The object of the present invention is to provide a kind of soil organism analyzer and analysis methods, avoid direct body contact's high temperature
And chemical substance, it avoids damaging operator.
To achieve the above object, the present invention provides following schemes:
A kind of soil organism analyzer, comprising: automatically resolution portion, solution translator, multiple-way valve, syringe, peristaltic pump,
Titration bottle and multiple solution bottles；
The automatic resolution portion is for placing multiple test tubes equipped with pedotheque and heating to the test tube；The solution
Translator is located at the top in the automatic resolution portion, for being moved to right above corresponding test tube and passing through sample introduction needle to the examination
Solution is added dropwise in pipe；First port of the solution translator is connected to the sample introduction needle, the second port and the peristaltic pump
Water inlet connection, the water outlet of the peristaltic pump are connected to the entrance of the titration bottle；
The multiple-way valve includes a center multiport and N number of edge single-pass mouth, and N is greater than or equal to 8；The center multi-pass
Mouth can be connected to any one of edge single-pass mouth；The center multiport of the multiple-way valve is connected to the syringe；Wherein
One edge single-pass mouth is connected to the second port of the solution translator, another edge single-pass mouth and the titration bottle
Entrance connection, remaining edge single-pass mouth is connected to respectively at each solution bottle.
Optionally, which further includes color sensor, titration bottle described in the color sensor face, for detecting
The color of liquid in the titration bottle.
Optionally, the automatic resolution portion includes test tube bracket, first level direction drive motor and heating device；It is described
Test tube bracket is used for holding test tubes, and the output section of the first level direction drive motor connect with the test tube bracket, is used for
The test tube bracket is driven to move upwards in first level side；The heating device is located at the test tube bracket base, for pair
Test tube on the test tube bracket is heated.
Optionally, the automatic resolution portion further includes cooling fan, and the cooling fan is for the test tube after heating
It is cooled down.
Optionally, it is provided with the second horizontal direction driving motor and vertical direction driving motor on the solution translator,
For driving the sample introduction needle to move in the second horizontal direction, the vertical direction drives the second horizontal direction driving motor
Dynamic motor is for driving the sample introduction needle to move in the vertical direction；Second horizontal direction and the first level direction are hung down
Directly.
Optionally, it is provided with magnetic stirrer below the titration bottle, magnetic stirring is provided in the titration bottle
Son, the magnetic stirrer are used to rotate using magnetic stick described in field drives to carry out the solution in the titration bottle
Stirring.
It optionally, is 8 in the quantity of the edge single-pass mouth, the quantity of the solution bottle is 6,6 solution
Bottle is respectively potassium bichromate solution bottle, sulfuric acid solution bottle, waste liquid bottle, pure water bottle, titrant bottle and indicator bottle；The sulfuric acid is molten
The mixed solution of the concentrated sulfuric acid and silver sulfate is housed in proportion in liquid bottle.
Optionally, the syringe is the syringe pump of 25ml.
Invention additionally discloses a kind of soil organism analysis methods, applied to above-mentioned soil organism analyzer, the party
Method includes:
Multiport edge single-pass mouth corresponding with the solution bottle equipped with the concentrated sulfuric acid and silver sulfate in center is connected to, described in control
Syringe draws the concentrated sulfuric acid and the silver sulfate；
By the edge single-pass mouth connection corresponding with second port of solution translator of center multiport, the solution is controlled
Translator is moved to above test tube to be analyzed, control the syringe concentrated sulfuric acid of absorption and the silver sulfate are passed through it is described
Solution translator is injected into test tube to be analyzed；
The test tube is heated, keeps heating temperature within the scope of the first temperature threshold, the duration is first pre-
If the time；
The test tube after heating is cooled down；
Start the peristaltic pump and the invisible spectro substance is drawn into titration bottle；
Multiport edge single-pass mouth corresponding with the solution bottle of pure water is equipped in center is connected to, the syringe is controlled and draws
The pure water；
By the edge single-pass mouth connection corresponding with second port of solution translator of center multiport, the injection is controlled
The pure water of absorption is injected into each test tube to be analyzed by the solution translator and is rinsed to the test tube by device；
Start the peristaltic pump and the invisible spectro substance after flushing is drawn into titration bottle；
Multiport edge single-pass mouth corresponding with the solution bottle of indicator is equipped in center is connected to, the syringe is controlled and inhales
Take indicator；
By the edge single-pass mouth connection corresponding with titration bottle of center multiport, the syringe is controlled by the indicator of absorption
It is injected into titration bottle；
Multiport edge single-pass mouth corresponding with the solution bottle of titrant is equipped in center is connected to, the syringe is controlled and inhales
Take titrant；
By the edge single-pass mouth connection corresponding with titration bottle of center multiport, the syringe is controlled by the titrant of absorption
It is added dropwise in the titration bottle, the color change in the titration bottle is analyzed by color sensor；When the titration bottle
When interior color becomes default terminal colour, terminate titration, according to the dosage analysis soil organic matter content of each substance.
The specific embodiment provided according to the present invention, the invention discloses following technical effects: soil of the invention is organic
Matter analyzer and analysis method realized using automatic resolution portion and heated, using multiple-way valve and syringe realize solution addition and
Transfer, avoids direct body contact's chemical substance, to avoid harm to the human body.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structure drawing of device of soil organism analyzer embodiment of the present invention；
Fig. 2 is the pipe connecting structure figure of soil organism analyzer embodiment of the present invention；
Fig. 3 is the method flow diagram of soil organism analysis method embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of soil organism analyzer and analysis methods, avoid direct body contact's high temperature
And chemical substance, it avoids damaging operator.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Fig. 1 is the structure drawing of device of soil organism analyzer embodiment of the present invention.
Fig. 2 is the pipe connecting structure figure of soil organism analyzer embodiment of the present invention.
Referring to Fig. 1 and Fig. 2, the soil organism analyzer, comprising: automatic resolution portion 1, solution translator 2, multiple-way valve 3,
Syringe 4, peristaltic pump 5, titration bottle 6 and multiple solution bottles.
The automatic resolution portion 1 is for placing multiple test tubes 12 equipped with pedotheque and heating to the test tube 12；Institute
The top that solution translator 2 is located at the automatic resolution portion 1 is stated, for being moved to right above corresponding test tube 12 and passing through sample introduction
Solution is added dropwise into the test tube 12 in needle；First port of the solution translator 2 is connected to the sample introduction needle, the second port with
The water inlet of the peristaltic pump 5 is connected to, and the water outlet of the peristaltic pump 5 is connected to the entrance of the titration bottle 6.
The multiple-way valve 3 includes a center multiport and N number of edge single-pass mouth, and N is greater than or equal to 8；The center is more
Port can be connected to any one of edge single-pass mouth；The center multiport of the multiple-way valve 3 is connected to the syringe 4；
One of them described edge single-pass mouth is connected to the second port of the solution translator 2, another edge single-pass mouth with it is described
The entrance of titration bottle 6 is connected to, and remaining edge single-pass mouth is connected to respectively at each solution bottle.
The analyzer further includes color sensor 7, titration bottle 6 described in 7 face of color sensor, described for detecting
The color of liquid in titration bottle 6.
The automatic resolution portion 1 includes 12 bracket of test tube, first level direction drive motor and heating device 11；The examination
12 bracket of pipe is used for holding test tubes 12, and the output section of the first level direction drive motor is connect with 12 bracket of test tube,
For driving 12 bracket of test tube to move upwards in first level side；The heating device 11 is located at the 12 bracket bottom of test tube
Portion, for being heated to the test tube 12 on 12 bracket of test tube.12 bracket of test tube includes 40 hole locations, can be placed
40 test tubes 12, and the sample in 40 test tubes 12 is cleared up simultaneously.
The automatic resolution portion 1 further includes cooling fan 13 and temperature controller, after the cooling fan 13 is for heating
The test tube 12 cooled down；The temperature controller is electrically connected with the cooling fan 13 and the heating device 11, is used
In by the heating device 11 and the cooling fan 13 by heating and temperature control between 170 degrees Celsius to 190 degrees Celsius,
Preferably, before the test tube 12 that pedotheque is housed is placed on 12 bracket of test tube, temperature is controlled at 185 degrees Celsius,
After test tube 12 places, by heating and temperature control at 180 degrees Celsius, and 13 pairs of institutes of the cooling fan are controlled after the completion of heating
Test tube 12 is stated to cool down.
It is provided with the second horizontal direction driving motor and vertical direction driving motor on the solution translator 2, described
Two horizontal direction driving motors are for driving the sample introduction needle to move in the second horizontal direction, the vertical direction driving motor
For driving the sample introduction needle to move in the vertical direction；Second horizontal direction is vertical with the first level direction.It is logical
Cross the common drive of the first level direction drive motor, the second horizontal direction driving motor and vertical direction driving motor
Movement is used, and be can control sample introduction needle and is successively directed at each test tube 12, and the syringe needle of sample introduction needle is dropped to 12 bottom of test tube.
The lower section of the titration bottle 6 is provided with magnetic stirrer 8, is provided with magnetic stick 9 in the titration bottle 6,
The magnetic stirrer 8 is used to rotate using magnetic stick 9 described in field drives to carry out the solution in the titration bottle 6
Stirring.
It is 8 in the quantity of the edge single-pass mouth, the quantity of the solution bottle is 6, and 6 solution bottles are respectively
Potassium bichromate solution bottle 14, sulfuric acid solution bottle 15, waste liquid bottle 16, pure water bottle 17, titrant bottle 18 and indicator bottle 19；The sulphur
The mixed solution of the concentrated sulfuric acid and silver sulfate is housed in proportion in acid solution bottle 15.The liquid outlet and the waste liquid of the titration bottle 6
Bottle 16 is connected to, for the waste liquid in the titration bottle 6 to be discharged in the waste liquid bottle 16.
The syringe 4 is the syringe pump of 25ml.
The injection speed of the syringe 4 is controllable, and the injection speed by controlling syringe 4 may be implemented to titrant
Rate of titration is controlled.At titration initial stage, using rapid titration.Detect that the color in titration bottle 6 will in color sensor 7
When will be close to terminal colour, using titrating at a slow speed.
Automatic resolution portion 1 of the invention, solution translator 2, multiple-way valve 3, syringe 4, the equal and each motor of peristaltic pump 5 by
The control at automatic work station 10.The automatic work station 10 is also used to calculate automatically, display, stores and upload measurement result.
The workflow of soil organism analyzer of the invention are as follows: first will by the heating device 11 in automatic resolution portion 1
Heating temperature is increased between 185 DEG C~190 DEG C, preferably 185 DEG C, then the test tube of pedotheque will be housed by operator
It puts on the test tube bracket in automatic resolution portion 1, and utilizes multiple-way valve and syringe by the solution in potassium bichromate solution bottle
Successively it is added in test tube with the solution in sulfuric acid solution bottle, then heating temperature is maintained into 170~180 DEG C, preferably 180
℃.After solution boiling time reaches 4-6 minutes, preferably 5 minutes, test tube is cooled down using cooling fan.Then sharp
Invisible spectro solution is nondestructively transferred in titration bottle with peristaltic pump.It then will be in pure water bottle using multiple-way valve and syringe
Pure water, which is added in test tube, cleans test tube interior, and the liquid after cleaning is transferred in titration bottle using peristaltic pump.
After cleaning up, the indicator in indicator bottle is added in titration bottle using multiple-way valve and syringe, then starts color
Sensor and magnetic stirrer recycle multiple-way valve and syringe that the titrant in titration bottle is gradually dropped in titration bottle, directly
Color in titration bottle reaches predetermined color, terminates titration, according to the organic principle of the dosage analysis soil of each solution.
Fig. 3 is the method flow diagram of soil organism analysis method embodiment of the present invention.
Referring to Fig. 3, which is applied to above-mentioned soil organism analyzer, this method comprises:
Step 101: multiport edge single-pass mouth corresponding with the solution bottle equipped with the concentrated sulfuric acid and silver sulfate in center is connected to,
It controls the syringe 4 and draws the concentrated sulfuric acid and the silver sulfate.
Step 102: multiport edge single-pass mouth corresponding with 2 second port of solution translator in center being connected to, control
It makes the solution translator 2 and is moved to 12 top of test tube to be analyzed, control the syringe 4 for the concentrated sulfuric acid of absorption and described
Silver sulfate is injected into test tube 12 to be analyzed by the solution translator 2.
Step 103: the test tube 12 being heated, keeps heating temperature within the scope of the first temperature threshold, when continuing
Between be the first preset time.
Step 104: the test tube 12 after heating is cooled down；The type of cooling is cooling for cooling fan 13.
Step 105: starting the peristaltic pump 5 and the substance in the test tube 12 is drawn into titration bottle 6.
Step 106: multiport edge single-pass mouth corresponding with the solution bottle of pure water is equipped in center being connected to, the note is controlled
Emitter 4 draws the pure water.
Step 107: multiport edge single-pass mouth corresponding with 2 second port of solution translator in center being connected to, control
It makes the syringe 4 and is injected into the pure water of absorption in each test tube 12 to be analyzed to described by the solution translator 2
Test tube 12 is rinsed.
Step 108: starting the peristaltic pump 5 and the substance in the test tube 12 after flushing is drawn into titration bottle 6.
Step 109: multiport edge single-pass mouth corresponding with the solution bottle of indicator is equipped in center being connected to, described in control
Syringe 4 draws indicator.
Step 110: multiport edge single-pass mouth corresponding with titration bottle 6 in center being connected to, controlling the syringe 4 will inhale
The indicator taken is injected into titration bottle 6；While starting titration, starting magnetic stirrer 8 starts to stir, and starting color passes
Sensor 7 starts to detect color change.
Step 111: multiport edge single-pass mouth corresponding with the solution bottle of titrant is equipped in center being connected to, described in control
Syringe 4 draws titrant.
Step 112: multiport edge single-pass mouth corresponding with titration bottle 6 in center being connected to, controlling the syringe 4 will inhale
The titrant taken is added dropwise in the titration bottle 6, analyzes the color change in the titration bottle 6 by color sensor 7；
When the color in the titration bottle 6 becomes default terminal colour, terminates titration, had according to the dosage analysis soil of each substance
Machine matter content.
After the analysis is complete, the waste liquid in titration bottle 6 is discharged in waste liquid bottle 16.
The specific embodiment provided according to the present invention, the invention discloses following technical effects: soil of the invention is organic
Matter analyzer and analysis method realized using automatic resolution portion and heated, using multiple-way valve and syringe realize solution addition and
Transfer, avoids direct body contact's chemical substance, to avoid harm to the human body.
Used herein a specific example illustrates the principle and implementation of the invention, and above embodiments are said
It is bright to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, foundation
Thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification is not
It is interpreted as limitation of the present invention.
Claims (9)
1. a kind of soil organism analyzer characterized by comprising resolution portion, solution translator, multiple-way valve, injection automatically
Device, peristaltic pump, titration bottle and multiple solution bottles；
The automatic resolution portion is for placing multiple test tubes equipped with pedotheque and heating to the test tube；The solution transfer
Device is located at the top in the automatic resolution portion, for being moved to right above corresponding test tube and by sample introduction needle into the test tube
Solution is added dropwise；First port of the solution translator is connected to the sample introduction needle, the water inlet of the second port and the peristaltic pump
Mouth connection, the water outlet of the peristaltic pump are connected to the entrance of the titration bottle；
The multiple-way valve includes a center multiport and N number of edge single-pass mouth, and N is greater than or equal to 8；The center multiport can
It is connected to any one of edge single-pass mouth；The center multiport of the multiple-way valve is connected to the syringe；One of them
The edge single-pass mouth is connected to the second port of the solution translator, another edge single-pass mouth enters with the titration bottle
Mouth connection, remaining edge single-pass mouth are connected to respectively at each solution bottle.
2. a kind of soil organism analyzer according to claim 1, which is characterized in that it further include color sensor, institute
Titration bottle described in color sensor face is stated, for detecting the color of liquid in the titration bottle.
3. a kind of soil organism analyzer according to claim 1, which is characterized in that the automatic resolution portion includes examination
Pipe carrier, first level direction drive motor and heating device；The test tube bracket is used for holding test tubes, the first level side
It is connect to the output section of driving motor with the test tube bracket, for driving the test tube bracket to transport on first level direction
It is dynamic；The heating device is located at the test tube bracket base, for heating to the test tube on the test tube bracket.
4. a kind of soil organism analyzer according to claim 3, which is characterized in that the automatic resolution portion further includes
Cooling fan, the test tube after the cooling fan is used to heat are cooled down.
5. a kind of soil organism analyzer according to claim 1, which is characterized in that be arranged on the solution translator
There are the second horizontal direction driving motor and vertical direction driving motor, the second horizontal direction driving motor is described for driving
Sample introduction needle moves in the second horizontal direction, and the vertical direction driving motor is for driving the sample introduction needle in the vertical direction
Movement；Second horizontal direction is vertical with the first level direction.
6. a kind of soil organism analyzer according to claim 1, which is characterized in that set below the titration bottle
It is equipped with magnetic stirrer, magnetic stick is provided in the titration bottle, the magnetic stirrer is used to utilize field drives institute
Magnetic stick rotation is stated to be stirred to the solution in the titration bottle.
7. a kind of soil organism analyzer according to claim 1, which is characterized in that in the number of the edge single-pass mouth
Amount is 8, and the quantity of the solution bottle is 6, and 6 solution bottles are respectively potassium bichromate solution bottle, sulfuric acid solution bottle, give up
Liquid bottle, pure water bottle, titrant bottle and indicator bottle；The mixing of the concentrated sulfuric acid and silver sulfate is housed in proportion in the sulfuric acid solution bottle
Solution.
8. a kind of soil organism analyzer according to claim 1, which is characterized in that the syringe is the note of 25ml
Penetrate pump.
9. a kind of soil organism analysis method, which is characterized in that applied to the soil as described in any one of claim 1-8
Earth organic matter analyzer, this method comprises:
Multiport edge single-pass mouth corresponding with the solution bottle equipped with the concentrated sulfuric acid and silver sulfate in center is connected to, the injection is controlled
Device draws the concentrated sulfuric acid and the silver sulfate；
By the edge single-pass mouth connection corresponding with second port of solution translator of center multiport, the solution transfer is controlled
Device is moved to above test tube to be analyzed, is controlled the syringe for the concentrated sulfuric acid of absorption and the silver sulfate and is passed through the solution
Translator is injected into test tube to be analyzed；
The test tube is heated, keeps heating temperature within the scope of the first temperature threshold, when the duration is first default
Between；
The test tube after heating is cooled down；
Start the peristaltic pump and the invisible spectro substance is drawn into titration bottle；
Multiport edge single-pass mouth corresponding with the solution bottle of pure water is equipped in center is connected to, is controlled described in the syringe absorption
Pure water；
By the edge single-pass mouth connection corresponding with second port of solution translator of center multiport, controlling the syringe will
The pure water of absorption is injected into each test tube to be analyzed by the solution translator and is rinsed to the test tube；
Start the peristaltic pump and the invisible spectro substance after flushing is drawn into titration bottle；
Multiport edge single-pass mouth corresponding with the solution bottle of indicator is equipped in center is connected to, the syringe absorption is controlled and refers to
Show agent；
By the edge single-pass mouth connection corresponding with titration bottle of center multiport, controls the syringe and inject the indicator of absorption
Into titration bottle；
Multiport edge single-pass mouth corresponding with the solution bottle of titrant is equipped in center is connected to, the syringe is controlled and draws drop
Determine agent；
By corresponding with the titration bottle edge single-pass mouth connection of center multiport, the syringe is controlled by the titrant of absorption dropwise
It is added in the titration bottle, the color change in the titration bottle is analyzed by color sensor；When in the titration bottle
When color becomes default terminal colour, terminate titration, according to the dosage analysis soil organic matter content of each substance.
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| CN109580974A (en) * | 2018-12-31 | 2019-04-05 | 华测检测认证集团股份有限公司 | The multichannel of Rapid replacement automates titration outfit |
| CN109813924A (en) * | 2019-02-14 | 2019-05-28 | 宁波市环境监测中心 | A kind of measurement device and rapid assay methods of the soil organism |
| CN112229807A (en) * | 2020-08-28 | 2021-01-15 | 湖北华耀生物科技有限公司 | Portable sludge organic matter measuring device |
| CN112946176A (en) * | 2021-02-05 | 2021-06-11 | 宁波普洛赛斯检测科技有限公司 | Soil organic matter measuring device and measuring method |
| CN114047183A (en) * | 2021-12-13 | 2022-02-15 | 上海昂林科学仪器股份有限公司 | Full-automatic ammonia nitrogen determination system and determination method thereof |
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| CN118376762B (en) * | 2024-06-21 | 2024-09-20 | 湖南省生态地质调查监测所 | Detection device and method for soil microorganism types |
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