CN112782342A - Equipment for realizing automatic titration by adopting temperature - Google Patents
Equipment for realizing automatic titration by adopting temperature Download PDFInfo
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- CN112782342A CN112782342A CN202011597260.3A CN202011597260A CN112782342A CN 112782342 A CN112782342 A CN 112782342A CN 202011597260 A CN202011597260 A CN 202011597260A CN 112782342 A CN112782342 A CN 112782342A
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- 238000004448 titration Methods 0.000 title claims abstract description 25
- 239000002904 solvent Substances 0.000 claims abstract description 79
- 238000012360 testing method Methods 0.000 claims abstract description 47
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 238000003756 stirring Methods 0.000 claims abstract description 9
- 230000000712 assembly Effects 0.000 claims abstract description 3
- 238000000429 assembly Methods 0.000 claims abstract description 3
- 238000001802 infusion Methods 0.000 claims description 20
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 17
- 238000006243 chemical reaction Methods 0.000 abstract description 13
- 238000004458 analytical method Methods 0.000 abstract description 8
- 238000001514 detection method Methods 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000012780 transparent material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000012459 cleaning agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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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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Abstract
The invention discloses equipment for realizing automatic titration by adopting temperature, which comprises a workbench, a support frame, a support plate, a test bottle, a temperature sensor, a motor, a rotating shaft, a plurality of stirring rods, two liquid inlet assemblies, a burette, a liquid conveying pipe and a control host; the liquid inlet component comprises a fixing frame, a solvent bottle, a connecting pipe and an electromagnetic valve; during detection, firstly, opening an electromagnetic valve communicated with a liquid conveying pipe through a control host machine to enable the solvent to be detected to flow into a test bottle; then open the solenoid valve with buret intercommunication again, make standard reagent add gradually to the test bottle in, it makes a plurality of puddlers rotatory to open the motor again, let the solvent that awaits measuring and standard reagent fully react, because can produce the heat among the reaction sequence, monitor the heat change by temperature sensor, and with data transmission to main control system, can calculate the concentration of the solvent that awaits measuring through the heat change among the analysis reaction sequence, can not receive the influence of the solvent turbidity that awaits measuring and concentration during the detection.
Description
Technical Field
The invention relates to the technical field of chemical analysis equipment, in particular to equipment for realizing automatic titration by adopting temperature.
Background
Titration analysis is a kind of chemical analysis, and a standard reagent whose exact concentration is known is dropped into a solution of a substance to be measured until the chemical reaction is completely stopped, thereby calculating the content of the component to be measured. The existing titration equipment mainly judges a titration end point by two methods, wherein the titration end point is indicated by the change of the color of an indicator, but if the solution to be detected is turbid, the indication of the end point is difficult; and secondly, the endpoint of titration is determined according to the change of the indicating electrode potential, and although the method can be used for titration of colored or turbid solutions, the electrode potential is limited to a certain extent at low concentration, so that the test accuracy is not high when the titration analysis is carried out on turbid and low-concentration solutions.
Disclosure of Invention
The invention aims to provide equipment for realizing automatic titration by adopting temperature, and aims to solve the problem that the existing titration equipment is not high in test accuracy when carrying out titration analysis on turbid low-concentration solution.
In order to achieve the purpose, the invention provides equipment for realizing automatic titration by adopting temperature, which comprises a workbench, a support frame, a support plate, a test bottle, a temperature sensor, a motor, a rotating shaft, a plurality of stirring rods, two liquid inlet components, a burette, a liquid conveying pipe and a control host; the support frame is fixedly connected with the workbench and is positioned above the workbench; the supporting plate is fixedly connected with the supporting frame and is positioned above the supporting frame; the test bottle is fixedly connected with the support plate and is positioned above the support plate; the temperature sensor is fixedly connected with the test bottle and is positioned on the side edge of the test bottle; the motor is fixedly connected with the workbench and is positioned between the workbench and the supporting plate; one end of the rotating shaft is fixedly connected with the output end of the motor, and one end of the rotating shaft, which is far away from the motor, penetrates through the supporting plate and the test bottle; the stirring rods are respectively and fixedly connected with the rotating shaft and are respectively positioned at one end of the rotating shaft in the test bottle; the liquid inlet assembly comprises a fixing frame, a solvent bottle, a connecting pipe and an electromagnetic valve; the fixed frame is fixedly connected with the workbench and is positioned above the workbench; the solvent bottle is fixedly connected with the fixing frame and is positioned on the side edge of the fixing frame; the connecting pipe is fixedly connected and communicated with the solvent bottle and is positioned on the side edge of the solvent bottle; the electromagnetic valve is fixedly connected with the fixed frame, is fixedly connected and communicated with the connecting pipe, and is positioned on the side edge of the fixed frame; one end of the burette and one end of the infusion tube are respectively fixedly connected and communicated with the two electromagnetic valves, and the ends of the burette and the infusion tube, which are far away from the two electromagnetic valves, respectively penetrate through the test bottle; the control host is fixedly connected with the workbench and positioned above the workbench, and the control host is respectively electrically connected with the temperature sensor, the motor and the two electromagnetic valves.
The fixing frame comprises a slideway, a first sliding block, a second sliding block, a threaded screw rod and a placing table; the slideway is fixedly connected with the workbench and is positioned above the workbench; the first sliding block and the second sliding block are respectively connected with the slide way in a sliding manner and are respectively positioned in the slide way; the threaded screw rod is rotatably connected with the slide way, is respectively in threaded connection with the first slide block and the second slide block, and penetrates through the slide way, the first slide block and the second slide block; the placing table is fixedly connected with the first sliding block and is positioned on one side, away from the slide way, of the first sliding block.
The fixing frame further comprises a hand wheel; the hand wheel with screw lead screw fixed connection to be located the screw lead screw is kept away from slide one end.
The mounting table comprises an outer frame and a plurality of clamping bodies; the outer frame is fixedly connected with the first sliding block and is positioned on one side of the first sliding block, which is far away from the slide way; the clamping bodies are respectively and fixedly connected with the outer frame and are respectively positioned inside the outer frame.
Wherein the clamping body comprises a spring and a clamping plate; the spring is fixedly connected with the outer frame and is positioned in the outer frame; the clamping plate is fixedly connected with the spring and is positioned on one side of the spring, which is far away from the outer frame.
The clamping body further comprises a plurality of anti-skid lines; and the anti-skid lines are fixedly connected with the clamping plates respectively and are positioned on one sides of the clamping plates far away from the springs respectively.
According to the equipment for realizing automatic titration by adopting temperature, the two electromagnetic valves and the motor can be controlled by the control system on the control host; a temperature sensing head of the temperature sensor penetrates through the outer wall of the test bottle and extends into the test bottle; a standard reagent is filled in the solvent bottle close to one side of the burette, and a solvent to be detected is filled in the solvent bottle close to one side of the infusion tube; when detection is carried out, the electromagnetic valve communicated with the infusion tube is opened through the control host, so that a solvent to be detected flows into the test bottle through the connecting tube and the infusion tube; past add in the test bottle behind the solvent that awaits measuring of appointed capacity close with the transfer line intercommunication the solenoid valve, then pass through again the main control system open with buret intercommunication the solenoid valve for standard reagent via buret adds gradually extremely in the test bottle, the rethread is opened the motor makes pivot and a plurality of the puddler is rotatory, thereby makes solvent and standard reagent that awaits measuring can fully react, because can continuously produce the heat among the reaction sequence, by temperature sensor can monitor the heat change, and with data transmission to the main control system, the staff just can calculate the concentration of the solvent that awaits measuring through the heat change among the analysis reaction sequence, can not receive the influence of the solvent turbidity that awaits measuring and concentration. The test bottle is transparent material, can be convenient for the staff observe the solvent reaction condition. Through rotating the screw lead screw can make first slider with the second slider removes, thereby can change buret with the position of transfer line, thereby can avoid buret with the transfer line is in the solvent, avoids influencing the solvent that awaits measuring and standard reagent and takes place the reaction. When the solvent bottles with different specifications are used, the solvent bottles are placed in the outer frame, the solvent bottles push the pressing plate and compress the springs, the clamping plate can be pushed by the pushing force of the springs, and the solvent bottles with different specifications can be fixed; through a plurality of anti-skidding line, can improve the antiskid nature of splint to avoid the solvent bottle drops. Through the mode, when the concentration of the solvent to be tested is tested, the influence of the turbidity and the concentration of the solvent to be tested can be avoided, the test data is more accurate, the range of the solvent to be tested is improved, and accurate detection can be provided for more various solvents.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an apparatus for carrying out auto-titration using temperature according to the present invention;
FIG. 2 is a front sectional view of an apparatus for carrying out automatic titration using temperature according to the present invention;
FIG. 3 is a schematic structural view of the fastening frame of the present invention;
FIG. 4 is a schematic view of the positioning table of the present invention;
fig. 5 is a schematic structural view of the test bottle of the present invention.
1-workbench, 2-supporting frame, 3-supporting plate, 4-testing bottle, 5-temperature sensor, 6-motor, 7-rotating shaft,
8-stirring rod, 9-liquid inlet component, 10-burette, 11-infusion tube, 12-control host, 41-bottle body, 42-bottle cap, 43-drainage tube, 44-control valve, 45-scale, 91-fixing frame, 92-solvent bottle, 93-connecting tube, 94-electromagnetic valve, 911-slideway, 912-first slide block, 913-second slide block, 914-screw lead screw, 915-placing table, 916-hand wheel, 9151-outer frame, 9152-clamping body, 91521-spring, 91522-clamping plate and 91523-anti-slip pattern.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 5, the present invention provides an apparatus for implementing auto-titration using temperature: the device comprises a workbench 1, a support frame 2, a support plate 3, a test bottle 4, a temperature sensor 5, a motor 6, a rotating shaft 7, a plurality of stirring rods 8, two liquid inlet assemblies 9, a burette 10, a liquid conveying pipe 11 and a control host 12; the support frame 2 is fixedly connected with the workbench 1 and is positioned above the workbench 1; the supporting plate 3 is fixedly connected with the supporting frame 2 and is positioned above the supporting frame 2; the test bottle 4 is fixedly connected with the support plate 3 and is positioned above the support plate 3; the temperature sensor 5 is fixedly connected with the test bottle 4 and is positioned on the side edge of the test bottle 4; the motor 6 is fixedly connected with the workbench 1 and is positioned between the workbench 1 and the supporting plate 3; one end of the rotating shaft 7 is fixedly connected with the output end of the motor 6, and one end of the rotating shaft 7, which is far away from the motor 6, penetrates through the supporting plate 3 and the test bottle 4; the stirring rods 8 are respectively and fixedly connected with the rotating shaft 7 and are respectively positioned at one end of the rotating shaft 7 in the test bottle 4; the liquid inlet assembly 9 comprises a fixing frame 91, a solvent bottle 92, a connecting pipe 93 and an electromagnetic valve 94; the fixed frame 91 is fixedly connected with the workbench 1 and is positioned above the workbench 1; the solvent bottle 92 is fixedly connected with the fixing frame 91 and is positioned on the side edge of the fixing frame 91; the connecting pipe 93 is fixedly connected and communicated with the solvent bottle 92 and is positioned on the side edge of the solvent bottle 92; the electromagnetic valve 94 is fixedly connected with the fixing frame 91, is fixedly connected and communicated with the connecting pipe 93, and is positioned on the side edge of the fixing frame 91; one end of the burette 10 and one end of the infusion tube 11 are respectively fixedly connected and communicated with the two electromagnetic valves 94, and one ends of the burette 10 and the infusion tube 11, which are far away from the two electromagnetic valves 94, respectively penetrate through the test bottle 4; the control host 12 is fixedly connected with the workbench 1 and is positioned above the workbench 1, and the control host 12 is electrically connected with the temperature sensor 5, the motor 6 and the two electromagnetic valves 94 respectively.
In the present embodiment, the two solenoid valves 94 and the motor 6 can be controlled by a control system on the control host 12; a temperature sensing head of the temperature sensor 5 penetrates through the outer wall of the test bottle 4 and extends into the test bottle 4; a standard reagent is filled in the solvent bottle 92 close to one side of the burette 10, and a solvent to be detected is filled in the solvent bottle 92 close to one side of the infusion tube 11; during detection, the electromagnetic valve 94 communicated with the infusion tube 11 is opened through the control host 12, so that the solvent to be detected flows into the test bottle 4 through the connecting tube 93 and the infusion tube 11; add in the test bottle 4 appointed volume solvent that awaits measuring after close with the transfer line 11 intercommunication solenoid valve 94, then pass through again the main control system 12 open with buret 10 intercommunication solenoid valve 94 for standard reagent via buret 10 adds gradually to in the test bottle 4, the rethread is opened motor 6 makes pivot 7 and a plurality of puddler 8 is rotatory, thereby makes solvent and standard reagent to await measuring can fully react, because can continuously produce the heat in the reaction process, by temperature sensor 5 can monitor the heat change, and with data transmission to main control system 12, the staff just can calculate the concentration of the solvent that awaits measuring through the heat change in the analysis reaction process, can not receive the influence of the turbidity of the solvent that awaits measuring and concentration. Test bottle 4 is transparent material, can be convenient for the staff observe the solvent reaction condition. Through the mode, when the concentration of the solvent to be tested is tested, the influence of the turbidity and the concentration of the solvent to be tested can be avoided, the test data is more accurate, the range of the solvent to be tested is improved, and accurate detection can be provided for more various solvents.
Further, the fixing frame 91 comprises a slide 911, a first slide 912, a second slide 913, a threaded screw 914 and a mounting platform 915; the slideway 911 is fixedly connected with the workbench 1 and is positioned above the workbench 1; the first sliding block 912 and the second sliding block 913 are respectively connected with the slide 911 in a sliding manner and are respectively located inside the slide 911; the threaded screw 914 is rotatably connected with the slide 911, is respectively in threaded connection with the first slide 912 and the second slide 913, and penetrates through the slide 911, the first slide 912 and the second slide 913; the placing table 915 is fixedly connected with the first sliding block 912 and is positioned on one side of the first sliding block 912 far away from the slide 911.
In the present embodiment, by rotating the threaded screw 914, the first slider 912 and the second slider 913 can be moved, so that the positions of the burette 10 and the infusion tube 11 can be changed, and the burette 10 and the infusion tube 11 can be prevented from being in the solvent, thereby preventing the reaction between the solvent to be measured and the standard reagent from being affected.
Further, the fixing frame 91 further comprises a handwheel 916; the hand wheel 916 is fixedly connected with the threaded screw 914 and is located at one end of the threaded screw 914, which is far away from the slide 911.
In this embodiment, the hand wheel 916 can facilitate the worker to rotate the screw 914, thereby facilitating the adjustment of the positions of the burette 10 and the infusion tube 11.
Further, the mounting table 915 includes an outer frame 9151 and a plurality of holding bodies 9152; the outer frame 9151 is fixedly connected with the first sliding block 912 and is positioned on one side of the first sliding block 912, which is far away from the slideway 911; the plurality of holding bodies 9152 are fixedly connected with the outer frame 9151 respectively and are positioned inside the outer frame 9151 respectively.
In this embodiment, the solvent bottle 92 can be supported by the outer frame 9151, and the solvent bottles 92 of different specifications can be fixed by the plurality of holding bodies 9152.
Further, the holding body 9152 comprises a spring 91521 and a clamping plate 91522; the spring 91521 is fixedly connected with the outer frame 9151 and is positioned inside the outer frame 9151; the clamping plate 91522 is fixedly connected with the spring 91521 and is positioned on one side of the spring 91521, which is far away from the outer frame 9151.
In this embodiment, when the solvent bottles 92 of different sizes are used, the solvent bottles 92 are placed in the outer frame 9151, the solvent bottles 92 push the pressing plate to compress the springs 91521, and the pressing plate 91522 is pushed by the pushing force of the springs 91521, so that the solvent bottles 92 of different sizes can be fixed.
Further, the clamping body 9152 further comprises a plurality of anti-slip stripes 91523; the anti-slip threads 91523 are fixedly connected with the clamping plate 91522 and are respectively positioned on one side of the clamping plate 91522 far away from the spring 91521.
In the present embodiment, the plurality of anti-slip stripes 91523 can improve the anti-slip property of the clamping plate 91522, thereby preventing the solvent bottle 92 from falling.
Further, the test bottle 4 comprises a bottle body 41, a bottle cap 42, a drain pipe 43 and a control valve 44; the bottle body 41 is fixedly connected with the support plate 3 and is positioned above the support plate 3; the bottle cap 42 is in threaded connection with the bottle body 41 and is positioned on one side of the bottle body 41 away from the support plate 3; the drainage pipe 43 is fixedly connected and communicated with the bottle body 41 and is positioned at the side edge of the bottle body 41; the control valve 44 is fixedly connected and communicated with the water discharge pipe 43 and is positioned at the side of the water discharge pipe 43.
In the embodiment, the bottle cap 42 can be conveniently removed through the threaded connection between the bottle cap 42 and the bottle body 41, so that the interior of the bottle body 41 can be conveniently cleaned after the test, and the subsequent test can be conveniently carried out; the reagent and the cleaning agent in the bottle body 41 can be led out through the drain pipe 43, and the opening and closing of the drain pipe 43 can be conveniently controlled through the control valve 44.
Further, the test bottle 4 further comprises a graduated scale 45; the graduated scale 45 is fixedly connected with the bottle body 41 and is positioned at the side of the bottle body 41.
In this embodiment, the graduated scale 45 can make the staff intuitively know the solvent level in the bottle 41, so as to control the amount of the added reagent.
The working principle and the using process of the invention are as follows: after the installation of the invention, the two electromagnetic valves 94 and the motor 6 can be controlled by the control system on the control host 12; the temperature sensing head of the temperature sensor 5 penetrates through the outer wall of the bottle body 41 and extends into the bottle body 41; a standard reagent is filled in the solvent bottle 92 close to one side of the burette 10, and a solvent to be detected is filled in the solvent bottle 92 close to one side of the infusion tube 11; during detection, the electromagnetic valve 94 communicated with the infusion tube 11 is firstly opened through the control host 12, so that the solvent to be detected flows into the bottle body 41 through the connecting tube 93 and the infusion tube 11; after a solvent to be detected with a specified volume is added into the bottle body 41, the electromagnetic valve 94 communicated with the infusion tube 11 is closed, then the electromagnetic valve 94 communicated with the burette 10 is opened through the control host 12, so that a standard reagent is added into the bottle body 41 drop by drop through the burette 10, and then the motor 6 is started, so that the rotating shaft 7 and the stirring rods 8 rotate, and therefore the solvent to be detected and the standard reagent can fully react. The bottle 41 is made of transparent materials, so that the solvent reaction condition can be conveniently observed by a worker. Through rotating screw lead screw 914, can make first slider 912 with second slider 913 removes to can change buret 10 with the position of transfer line 11, thereby can avoid buret 10 with transfer line 11 is in the solvent, avoids influencing the solvent that awaits measuring and standard reagent and takes place the reaction. When the solvent bottles 92 with different specifications are used, the solvent bottles 92 are placed in the outer frame 9151, the solvent bottles 92 push the pressing plate and compress the springs 91521, and the pressing plate 91522 can be pushed by the pushing force of the springs 91521, so that the solvent bottles 92 with different specifications can be fixed; the plurality of anti-slip lines 91523 can improve the anti-slip property of the clamping plate 91522, thereby preventing the solvent bottle 92 from falling. Through the mode, when the concentration of the solvent to be tested is tested, the influence of the turbidity and the concentration of the solvent to be tested can be avoided, the test data is more accurate, the range of the solvent to be tested is improved, and accurate detection can be provided for more various solvents.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. An apparatus for realizing automatic titration by adopting temperature is characterized by comprising a workbench, a support frame, a support plate, a test bottle, a temperature sensor, a motor, a rotating shaft, a plurality of stirring rods, two liquid inlet assemblies, a burette, a liquid conveying pipe and a control host; the support frame is fixedly connected with the workbench and is positioned above the workbench; the supporting plate is fixedly connected with the supporting frame and is positioned above the supporting frame; the test bottle is fixedly connected with the support plate and is positioned above the support plate; the temperature sensor is fixedly connected with the test bottle and is positioned on the side edge of the test bottle; the motor is fixedly connected with the workbench and is positioned between the workbench and the supporting plate; one end of the rotating shaft is fixedly connected with the output end of the motor, and one end of the rotating shaft, which is far away from the motor, penetrates through the supporting plate and the test bottle; the stirring rods are respectively and fixedly connected with the rotating shaft and are respectively positioned at one end of the rotating shaft in the test bottle; the liquid inlet assembly comprises a fixing frame, a solvent bottle, a connecting pipe and an electromagnetic valve; the fixed frame is fixedly connected with the workbench and is positioned above the workbench; the solvent bottle is fixedly connected with the fixing frame and is positioned on the side edge of the fixing frame; the connecting pipe is fixedly connected and communicated with the solvent bottle and is positioned on the side edge of the solvent bottle; the electromagnetic valve is fixedly connected with the fixed frame, is fixedly connected and communicated with the connecting pipe, and is positioned on the side edge of the fixed frame; one end of the burette and one end of the infusion tube are respectively fixedly connected and communicated with the two electromagnetic valves, and the ends of the burette and the infusion tube, which are far away from the two electromagnetic valves, respectively penetrate through the test bottle; the control host is fixedly connected with the workbench and positioned above the workbench, and the control host is respectively electrically connected with the temperature sensor, the motor and the two electromagnetic valves.
2. The apparatus for automatic titration with temperature according to claim 1, wherein the holder comprises a slide, a first slide, a second slide, a threaded screw and a mounting table; the slideway is fixedly connected with the workbench and is positioned above the workbench; the first sliding block and the second sliding block are respectively connected with the slide way in a sliding manner and are respectively positioned in the slide way; the threaded screw rod is rotatably connected with the slide way, is respectively in threaded connection with the first slide block and the second slide block, and penetrates through the slide way, the first slide block and the second slide block; the placing table is fixedly connected with the first sliding block and is positioned on one side, away from the slide way, of the first sliding block.
3. The apparatus for automatic titration with temperature according to claim 2, wherein the holder further comprises a hand wheel; the hand wheel with screw lead screw fixed connection to be located the screw lead screw is kept away from slide one end.
4. The apparatus for automatic titration according to claim 3, wherein the mounting table comprises an outer frame and a plurality of holders; the outer frame is fixedly connected with the first sliding block and is positioned on one side of the first sliding block, which is far away from the slide way; the clamping bodies are respectively and fixedly connected with the outer frame and are respectively positioned inside the outer frame.
5. The apparatus for automatic titration with temperature according to claim 4, wherein the holder comprises a spring and a clamp plate; the spring is fixedly connected with the outer frame and is positioned in the outer frame; the clamping plate is fixedly connected with the spring and is positioned on one side of the spring, which is far away from the outer frame.
6. The apparatus for automatic titration with temperature according to claim 5, wherein the holder further comprises a plurality of anti-slip threads; and the anti-skid lines are fixedly connected with the clamping plates respectively and are positioned on one sides of the clamping plates far away from the springs respectively.
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| CN202011597260.3A CN112782342A (en) | 2020-12-29 | 2020-12-29 | Equipment for realizing automatic titration by adopting temperature |
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| CN202011597260.3A CN112782342A (en) | 2020-12-29 | 2020-12-29 | Equipment for realizing automatic titration by adopting temperature |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116539791A (en) * | 2023-02-16 | 2023-08-04 | 临涣焦化股份有限公司 | Full-automatic potentiometric titrator |
| CN117706026A (en) * | 2023-12-15 | 2024-03-15 | 南京普来森仪器有限公司 | Reaction end point test system based on chemical reaction enthalpy change |
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| CN117706026A (en) * | 2023-12-15 | 2024-03-15 | 南京普来森仪器有限公司 | Reaction end point test system based on chemical reaction enthalpy change |
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