CN112547151B - Reagent quantitative extraction device used in chemical experiment process - Google Patents

Reagent quantitative extraction device used in chemical experiment process Download PDF

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Publication number
CN112547151B
CN112547151B CN202011120588.6A CN202011120588A CN112547151B CN 112547151 B CN112547151 B CN 112547151B CN 202011120588 A CN202011120588 A CN 202011120588A CN 112547151 B CN112547151 B CN 112547151B
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storage container
wall
movably connected
reagent
chemical experiment
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CN112547151A (en
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王春莉
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Ningxia feijiete Testing Co.,Ltd.
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Ningxia Feijiete Testing Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/02Burettes; Pipettes
    • B01L3/0289Apparatus for withdrawing or distributing predetermined quantities of fluid
    • B01L3/0293Apparatus for withdrawing or distributing predetermined quantities of fluid for liquids

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  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
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Abstract

The invention relates to the technical field of auxiliary extraction equipment for chemical experiments, and discloses a quantitative reagent extraction device used in the chemical experiment process, which comprises a placing frame, wherein the inner wall of the top of the placing frame is movably connected with a first storage container, the inner wall of the top of the first storage container is movably connected with a sealing plug, the inner wall of the first storage container is movably connected with a movable plate, the quantitative reagent extraction device used in the chemical experiment process moves a reagent in the first storage container into a second storage container through the siphon of a U-shaped pipe, after the sealing plug is fixed with the first storage container, a vent hole is closed, the movable plate is parallel to liquid in the first storage container, when the U-shaped pipe extracts the reagent, a support rod is pressed downwards to enable the movable plate to be parallel to the horizontal plane of the reagent again, and at the moment, the air pressure in the first storage container is smaller than that in the second storage container, the residual reagent in the U-shaped tube is returned to the first storage container.

Description

Reagent quantitative extraction device used in chemical experiment process
Technical Field
The invention relates to the technical field of chemical experiment extraction auxiliary equipment, in particular to a reagent quantitative extraction device used in a chemical experiment process.
Background
Chemical experiments, refer toScientific researchOne of the basic methods of (1). According to the purpose of scientific research, the external influence is eliminated as much as possible, main factors are highlighted, special instruments and equipment are utilized, a research object is artificially reformed, controlled or simulated, and certain things (or processes) are generated or reproduced, so that the natural phenomenon, the natural property and the natural law are known, instruments used in chemical experiments are called chemical instruments, and materials can be subjected to chemical researchMeteringOr a reaction.
In the process of extracting chemical reagents, the following two defects exist in the general reagent extraction:
1. quantitative extraction cannot be performed, and when a reagent needs to be collected for an experiment, the extracted reagent is more or less, and the standard reagent extraction scale cannot be reached, so that errors of measurement results are caused;
2. when the reagent is extracted, the reagent may spill or be not sealed tightly, so that the reagent may flow out, and the reagent flowing out may volatilize in the air and may harm the body of the operator.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a reagent quantitative extraction device used in the chemical experiment process, which has the advantages of quantitatively extracting the reagent and solves the problems that:
1. quantitative extraction cannot be performed, and when a reagent needs to be collected for an experiment, the extracted reagent is more or less, and the standard reagent extraction scale cannot be reached, so that errors of measurement results are caused;
2. when the reagent is extracted, the reagent may spill or be not sealed tightly, so that the reagent may flow out, and the reagent flowing out may volatilize in the air and may harm the body of the operator.
(II) technical scheme
In order to realize the advantages and purposes of the quantitative extraction reagent, the invention provides the following technical scheme: a reagent quantitative extraction device used in a chemical experiment process comprises a placing frame, wherein the inner wall of the top of the placing frame is movably connected with a first storage container, the inner wall of the top of the first storage container is movably connected with a sealing plug, the inner wall of the first storage container is movably connected with a movable plate, the top end of the movable plate is fixedly provided with a supporting rod, the left side of the inner wall of the first storage container is movably connected with a U-shaped pipe, the left side of the top end of the U-shaped pipe is provided with an air vent, the bottom end of the right side of the U-shaped pipe is movably connected with a quantity control body, the left side and the right side of the bottom of the quantity control body are both movably connected with a second storage container, the bottom of the inner wall of the quantity control body is movably connected with a one-way valve, the bottom end surface of the quantity control body is provided with a water drainage hole, the inner wall of the quantity control body is provided with a connecting groove, and the inner wall of the connecting rod is movably connected with the connecting rod, the inner wall swing joint of connecting rod has the pivot, the right side swing joint of connecting rod has the pin, the left side inner wall swing joint of pin has the loose axle, the fixed slot has been seted up to the bottom of pin, the accuse volume body has seted up the spout near one side of second storage container vertical center line, the inner wall swing joint of spout has the slider, one side fixed mounting that the slider is close to second storage container vertical center line has the water storage ware, the equal fixed mounting in top of water storage ware left and right sides has extension spring, the equal fixed mounting in left and right sides of the top inner wall of the accuse volume body has the water inlet, the top inner wall fixed mounting of the accuse volume body has the separation piece, the draw-in groove has all been seted up to the inner wall of separation piece left and right sides.
Further, extension spring's quantity is two, two extension spring's top and bottom all are connected with circular fixing base, two extension spring's shape and size are all equal, and two shape and size equal extension spring make the operation that can be steady rising or decline, and the circular fixing base foundation area of top and bottom installation is big, makes extension spring and accuse volume body and water storage ware be connected more stably.
Further, the U-shaped pipe is high on the left and low on the right, semicircular sealing sleeves are installed at the joints of the U-shaped pipe and the first storage container and the second storage container, the left side of the air vent is fixed by threads, one air leakage prevention layer is installed on the inner wall of the U-shaped pipe, the U-shaped pipe with the high and low on the left can enable liquid at the high position to flow into the second storage container at the low position, the semicircular sealing sleeves prevent the liquid from overflowing from the joints of the U-shaped pipe, the air vent with the fixed threads can be opened at any time, and the air leakage prevention layer is installed to prevent the gas from entering the inside of the U-shaped pipe.
Further, the movable plate is a plastic circular plate, the thickness of the movable plate is five millimeters, a rubber ring is arranged on the surface of the outer wall of the movable plate, a circular hole is formed in the inner wall of the movable plate in a penetrating mode, the circular plastic plate is equal to the first storage container in shape, the rubber ring enables the movable plate to be firmly connected with the first storage container, and the circular hole enables the U-shaped pipe to extend into liquid on the inner wall of the first storage container conveniently.
Further, the area of second storage container is less than first storage container's area, the sealing plug is the natural rubber material, the inner wall of sealing plug runs through there are two holes, the diameter of sealing plug equals with first storage container's top end opening diameter, and the second storage container that is less than first storage container area conveniently carries out the experiment and measures, and the sealing plug sealing performance that natural rubber made is better, can be connected with the outside air inside the first storage container of effectual separation, and the diameter that equals can let the sealing plug install at first storage container's opening part inseparabler.
Further, the quantity of pivot is four, four the four corners department at accuse volume internal wall is installed respectively to the pivot, the connecting rod is the flexible rod, and four corners departments of connecting rod are corresponded to four pivots, and flexible connecting rod can not appear when removing in pivot department the fracture condition after removing.
Further, the shape of fixed slot is the same with the shape of pin, the quantity of fixed slot, pin and loose axle is two, the length of spread groove equals with the length of connecting rod, and the fixed slot and the pin of the same shape can laminate completely with the fixed slot when the pin rotates, and two fixed slots, pin and loose axle correspond the inner wall of two accuse volume left and right sides, prevent with the spread groove that connecting rod length equals that the connecting rod blocks when removing.
Further, the quantity of slider and spout is two, two the degree of depth of spout is two millimeters, the water storage ware is hollow form, and two sliders and spout balance and smoothness when making the water storage ware remove, and the spout of two millimeters depths can be effectual be connected with the slider.
Further, the one end diameter that connecting rod and draw-in groove are connected is less than the width of draw-in groove inner wall, the hole has all been seted up to the left and right sides of blocking piece, blocking piece is stainless steel, and the connecting rod that is less than draw-in groove inner wall width just can get into the inner wall of draw-in groove when removing, and stainless steel's blocking piece can not rust, prevents that liquid and air from causing the erosion to the blocking piece when the experiment, and the hole of seting up is convenient for reagent and flows into the water storage ware.
(III) advantageous effects
Compared with the prior art, the invention provides a reagent quantitative extraction device used in a chemical experiment process, which has the following beneficial effects:
1. the utility model provides a reagent ration draw-out device for among chemical experiment process, siphon through the U-shaped pipe makes the reagent in the first storage container move to in the second storage container, after fixed sealing plug and first storage container, close the air vent, the movable plate is parallel with the liquid in the first storage container this moment, after the U-shaped pipe is accomplished with reagent extraction, press down the bracing piece and make the movable plate be parallel with the reagent horizontal plane once more, atmospheric pressure in the first storage container is less than the second storage container this moment, so remaining reagent in the U-shaped pipe can flow back to in the first storage container.
2. The utility model provides a reagent ration draw-out device for among chemical experiment process, get into the separation piece of accuse volume top inner wall when reagent through the U-shaped pipe, reagent gets into the water storage ware from the inlet opening, then the water storage ware passes through the slider and slides downwards in the spout, the pin is gone into in the fixed slot after being contacted by the water storage ware, drive the connecting rod and remove in the draw-in groove, the draw-in groove is stopped up the back by the connecting rod, reagent will flow back to in the first storage container, then reagent passes through check valve and wash port and gets into in the second storage container.
Drawings
FIG. 1 is an overall perspective view of the present invention;
FIG. 2 is a perspective view of a moving plate structure according to the present invention;
FIG. 3 is an overall side view of the present invention;
FIG. 4 is an overall sectional view of the present invention;
FIG. 5 is an enlarged view taken at A in FIG. 4 according to the present invention;
FIG. 6 is an enlarged view of the invention at B of FIG. 4;
FIG. 7 is an overall top view of the present invention;
fig. 8 is a side view of the connecting rod structure of the present invention.
In the figure: 1. placing a rack; 2. a first storage container; 3. a second storage container; 4. a sealing plug; 5. a support bar; 6. a U-shaped tube; 7. a vent hole; 8. controlling the volume; 9. moving the plate; 10. A one-way valve; 11. a drain hole; 12. connecting grooves; 13. a connecting rod; 14. a rotating shaft; 15. a movable shaft; 16. a stop lever; 17. fixing grooves; 18. a chute; 19. a slider; 20. a water storage vessel; 21. An extension spring; 22. a water inlet; 23. a barrier block; 24. a clamping groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Referring to fig. 1 to 8, a quantitative reagent extracting device for use in a chemical experiment process includes a rack 1, a first storage container 2 is movably connected to an inner wall of a top portion of the rack 1, a sealing plug 4 is movably connected to an inner wall of a top portion of the first storage container 2, a moving plate 9 is movably connected to an inner wall of the first storage container 2, the moving plate 9 is a circular plastic plate, the thickness of the moving plate 9 is five millimeters, a rubber ring is installed on an outer wall surface of the moving plate 9, a circular hole penetrates through an inner wall of the moving plate 9, the circular plastic plate is identical to the first storage container 2 in shape, the rubber ring enables the moving plate 9 and the first storage container 2 to be firmly connected, the circular hole facilitates the extension of a U-shaped pipe 6 into liquid of the inner wall of the first storage container 2, a support rod 5 is fixedly installed at a top end of the moving plate 9, a U-shaped pipe 6 is movably connected to a left side of the inner wall of the first storage container 2, the U-shaped pipe 6 is in a shape of being high at the left and low at the right, semicircular sealing sleeves are arranged at the joints of the U-shaped pipe 6 and the first storage container 2 and the second storage container 3, the left sides of the vent holes 7 are fixed by threads, an air leakage prevention layer is arranged on the inner wall of the U-shaped pipe 6, the U-shaped pipe 6 in the shape of being high at the left and low at the right can enable liquid at a high position to flow into the second storage container 3 at a low position, the semicircular sealing sleeves prevent the liquid from overflowing from the joints of the U-shaped pipe 6, the vent holes 7 fixed by the threads can be opened at any time, the installed air leakage prevention layer prevents air from entering the U-shaped pipe 6, the vent holes 7 are arranged at the left side of the top end of the U-shaped pipe 6, the bottom end of the right side of the U-shaped pipe 6 is movably connected with a quantity control body 8, the left side and the right side of the bottom of the quantity control body 8 are movably connected with the second storage container 3, the area of the second storage container 3 is smaller than that of the first storage container 2, the sealing plug 4 is made of natural rubber, two holes penetrate through the inner wall of the sealing plug 4, the diameter of the sealing plug 4 is equal to the diameter of the top end opening of the first storage container 2, the second storage container 3 which is smaller than the area of the first storage container 2 is convenient to perform experimental measurement, the sealing plug 4 made of natural rubber has better sealing performance, the inside of the first storage container 2 can be effectively prevented from being connected with the outside air, the sealing plug 4 can be arranged at the opening of the first storage container 2 more tightly due to the equal diameter, the bottom of the inner wall of the control volume body 8 is movably connected with a one-way valve 10, a drain hole 11 is formed in the bottom end surface of the control volume body 8, a connecting groove 12 is formed in the inner wall of the control volume body 8, a connecting rod 13 is movably connected with the inner wall of the connecting groove 12, the diameter of one end, connected with the clamping groove 24, of the connecting rod 13 is smaller than the width of the inner wall of the clamping groove 24, the holes are formed in the left side and the right side of the blocking block 23, and the blocking block 23 is made of stainless steel, the connecting rods 13 with the width smaller than that of the inner walls of the clamping grooves 24 can enter the inner walls of the clamping grooves 24 when moving, the stainless steel blocking blocks 23 cannot rust, liquid and air are prevented from corroding the blocking blocks 23 during experiments, the formed holes are convenient for reagents to flow into the water storage container 20, the inner walls of the connecting rods 13 are movably connected with four rotating shafts 14, the number of the rotating shafts 14 is four, the four rotating shafts 14 are respectively installed at four corners of the inner wall of the quantity control body 8, the connecting rods 13 are flexible rods, the four rotating shafts 14 correspond to four corners of the connecting rods 13, the flexible connecting rods 13 cannot break after moving at the rotating shafts 14 when moving, the right sides of the connecting rods 13 are movably connected with stop rods 16, the left sides of the stop rods 16 are movably connected with movable shafts 15, the bottom ends of the stop rods 16 are provided with fixing grooves 17, the shape of the fixing grooves 17 is the same as that of the stop rods 16, and the number of the fixing grooves 17, the stop rods 16 and the movable shafts 15 is two, the length of the connecting groove 12 is equal to that of the connecting rod 13, the fixing groove 17 and the stop lever 16 which are in the same shape can be completely attached to the fixing groove 17 when the stop lever 16 rotates, the two fixing grooves 17, the stop lever 16 and the movable shaft 15 correspond to the inner walls of the left side and the right side of the two quantity control bodies 8, the connecting groove 12 which is equal to the length of the connecting rod 13 prevents the connecting rod 13 from being stuck when moving, one side of the quantity control body 8, which is close to the vertical central line of the second storage container 3, is provided with a sliding groove 18, the inner wall of the sliding groove 18 is movably connected with a sliding block 19, the number of the sliding block 19 and the sliding groove 18 is two, the depth of the two sliding grooves 18 is two millimeters, the storage dish 20 is hollow, the two sliding blocks 19 and the sliding groove 18 enable the storage dish 20 to be balanced and smooth when moving, the sliding groove 18 with the depth of two millimeters can be effectively connected with the sliding block 19, one side, which is close to the vertical central line of the second storage container 3, is fixedly provided with the storage dish 20, the equal fixed mounting in top of the 20 left and right sides of water storage ware has extension spring 21, extension spring 21's quantity is two, two extension spring 21's top and bottom all are connected with circular fixing base, two extension spring 21's shape and size equal phase, two shapes and the equal extension spring 21 of size make can steady operation at the rising or decline, the circular fixing base foundation area of top and bottom installation is big, it is more stable to make extension spring 21 be connected with accuse volume body 8 and water storage ware 20, the equal fixed mounting in the left and right sides of the top inner wall of accuse volume body 8 has water inlet 22, the top inner wall fixed mounting of accuse volume body 8 has separation block 23, draw-in groove 24 has all been seted up to the inner wall of separation block 23 left and right sides.
The working principle is that a first storage container 2 and a second storage container 3 are arranged on a placing frame 1, the reagent in the first storage container 2 moves to the second storage container 3 through the siphon of a U-shaped pipe 6, after a sealing plug 4 is fixed with the first storage container 2, a vent hole 7 is closed, a moving plate 9 is parallel to the liquid in the first storage container 2 at the moment, after the U-shaped pipe 6 finishes extracting the reagent, the supporting rod 5 is pressed downwards to enable the moving plate 9 to be parallel to the horizontal plane of the reagent again, the air pressure in the first storage container 2 is smaller than that in the second storage container 3 at the moment, so that the residual reagent in the U-shaped pipe 6 flows back to the first storage container 2 and enters the reagent in a water storage dish 20 in a quantity control body 8 through a water inlet 22, the sliding blocks 19 on the two sides of the water storage vessel 20 move downwards in the sliding grooves 18, the stop lever 16 enters the fixing groove 17 after being contacted by the water storage vessel 20, the stop lever 16 moves to drive the connecting rod 13 to move towards the clamping groove 24, after the clamping groove 24 is blocked by the connecting rod 13, the reagent flows back to the first storage container 2, then the reagent enters the second storage container 3 through the one-way valve 10 and the water discharge hole 11, and the quantity of each extracted reagent is equal, so far, the purpose of quantitatively extracting the reagent is achieved.
In summary, in a quantitative reagent extraction device used in a chemical experiment process, a reagent in a first storage container 2 is moved into a second storage container 3 through the siphon of a U-shaped tube 6, a sealing plug 4 is fixed with the first storage container 2, a vent hole 7 is closed, a moving plate 9 is parallel to liquid in the first storage container 2 at the moment, after the U-shaped tube 6 extracts the reagent, the supporting rod 5 is pressed downwards to make the moving plate 9 parallel to the horizontal plane of the reagent again, the air pressure in the first storage container 2 is lower than that in the second storage container 3 at the moment, so the residual reagent in the U-shaped tube 6 flows back to the first storage container 2, when the reagent enters a blocking block 23 on the inner wall of the top end of a quantity control body 8 through the U-shaped tube 6, the reagent enters a water storage vessel 20 from a water inlet 22, then the water storage vessel 20 slides downwards in a sliding groove 18 through a sliding block 19, a blocking rod 16 is contacted with the water storage vessel 20 and then enters a fixing groove 17, the connecting rod 13 is driven to move into the clamping groove 24, after the clamping groove 24 is blocked by the connecting rod 13, the reagent flows back to the first storage container 2, and then enters the second storage container 3 through the one-way valve 10 and the water discharging hole 11.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a reagent ration draw-out device for among chemical experiment process, includes rack (1), its characterized in that: the top inner wall of the placing frame (1) is movably connected with a first storage container (2), the top inner wall of the first storage container (2) is movably connected with a sealing plug (4), the inner wall of the first storage container (2) is movably connected with a movable plate (9), a supporting rod (5) is fixedly installed at the top end of the movable plate (9), a U-shaped pipe (6) is movably connected to the left side of the inner wall of the first storage container (2), an air vent (7) is formed in the left side of the top end of the U-shaped pipe (6), a quantity control body (8) is movably connected to the bottom end of the right side of the U-shaped pipe (6), a second storage container (3) is movably connected to the left side and the right side of the bottom of the quantity control body (8), a one-way valve (10) is movably connected to the bottom of the inner wall of the quantity control body (8), and a drain hole (11) is formed in the bottom end surface of the quantity control body (8), the inner wall of the volume control body (8) is provided with a connecting groove (12), the inner wall of the connecting groove (12) is movably connected with a connecting rod (13), the inner wall of the connecting rod (13) is movably connected with a rotating shaft (14), the right side of the connecting rod (13) is movably connected with a stop lever (16), the left side inner wall of the stop lever (16) is movably connected with a movable shaft (15), the bottom end of the stop lever (16) is provided with a fixed groove (17), one side of the volume control body (8) close to the vertical central line of the second storage container (3) is provided with a sliding groove (18), the inner wall of the sliding groove (18) is movably connected with a sliding block (19), one side of the sliding block (19) close to the vertical central line of the second storage container (3) is fixedly provided with a water storage vessel (20), the top ends of the left side and the right side of the water storage vessel (20) are fixedly provided with an extension spring (21), the left side and right side of the top inner wall of the volume control body (8) are fixedly provided with a water inlet (22), the inner wall of the top of the volume control body (8) is fixedly provided with a blocking block (23), and the inner walls of the left side and the right side of the blocking block (23) are provided with clamping grooves (24);
holes are formed in the left side and the right side of the blocking block (23); the holes correspond to the water inlet (22).
2. The device for quantitatively extracting reagent for use in chemical experiment process according to claim 1, wherein: the number of the extension springs (21) is two, the top ends and the bottom ends of the two extension springs (21) are connected with circular fixing seats, and the shapes and the sizes of the two extension springs (21) are equal.
3. The device for quantitatively extracting reagent for use in chemical experiment process according to claim 1, wherein: u-shaped pipe (6) are the low right side height form in a left side, half circular seal cover is all installed with first storage container (2) and second storage container (3) junction in U-shaped pipe (6), the left side of air vent (7) is fixed with the screw thread, one deck leak protection gas layer is installed to U-shaped pipe (6) inner wall.
4. The device for quantitatively extracting reagent for use in chemical experiment process according to claim 1, wherein: the movable plate (9) is a plastic circular plate, the thickness of the movable plate (9) is five millimeters, a rubber ring is arranged on the surface of the outer wall of the movable plate (9), and a circular hole penetrates through the inner wall of the movable plate (9).
5. The device for quantitatively extracting reagent for use in chemical experiment process according to claim 1, wherein: the area of second storage container (3) is less than the area of first storage container (2), sealing plug (4) are the natural rubber material, the inner wall of sealing plug (4) runs through there are two holes, the diameter of sealing plug (4) equals with the top opening diameter of first storage container (2).
6. The device for quantitatively extracting reagent for use in chemical experiment process according to claim 1, wherein: the quantity of pivot (14) is four, four pivot (14) are installed respectively in the four corners department of accuse volume (8) inner wall, connecting rod (13) are flexible pole.
7. The device for quantitatively extracting reagent for use in chemical experiment process according to claim 1, wherein: the shape of fixed slot (17) is the same with the shape of pin (16), the quantity of fixed slot (17), pin (16) and loose axle (15) is two, the length of spread groove (12) is equal with the length of connecting rod (13).
8. The device for quantitatively extracting reagent for use in chemical experiment process according to claim 1, wherein: the number of the sliding blocks (19) and the sliding grooves (18) is two, the depth of the two sliding grooves (18) is two millimeters, and the water storage dish (20) is hollow.
9. The device for quantitatively extracting reagent for use in chemical experiment process according to claim 1, wherein: the diameter of one end of the connecting rod (13) connected with the clamping groove (24) is smaller than the width of the inner wall of the clamping groove (24), and the blocking block (23) is made of stainless steel.
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