CN211348102U - Novel chemical titration device capable of automatically titrating - Google Patents

Abstract

The utility model discloses a novel chemical titration device can titrate automatically, including base, mount and titration liquid automatic input ware, be equipped with the titration platform on the mount, be equipped with the glass burette on the titration platform, the base upper surface is equipped with adjustable magnetic stirrers, the erlenmeyer flask has been placed on adjustable magnetic stirrers surface, the erlenmeyer flask is located glass burette below, be equipped with adjustable peristaltic pump and liquid bath in the titration liquid automatic input ware, be connected with the anti corrosion rubber tube of second between adjustable peristaltic pump and the liquid bath. The utility model discloses a set up adjustable peristaltic pump to set up adjustable magnetic stirrers on the base, can open the peristaltic pump and adjust titration rate to steady state, open magnetic stirrers simultaneously and adjust to suitable speed, it is quick simple and convenient, maneuverability is strong, and the titration liquid velocity of flow is adjustable, and data stability and reproducibility are good, are applicable to most chemistry titration test etc. carry out the qualitative, quantitative analysis of chemicals to the sample.

Description

Novel chemical titration device capable of automatically titrating

Technical Field

The utility model relates to a chemistry is titrated and is detected relevant technical field, specifically is a novel chemistry of can titrating automatically titrates device.

Background

The chemical titration detection technology is an important component in quantitative analysis, and is one of common detection methods for food quality safety detection, and most of the detection methods are supported by national standards; meanwhile, the method is widely applied to the primary identification of the complex components; plays an important role in analyzing the chemical components of food.

However, the existing chemical titration assay has the following disadvantages: in the existing chemical titration detection technology process, the chemical titration mainly depends on manual operation of workers for controlling the titration solution, and the flow rate of the titration solution cannot be accurately controlled, so that the detected data is unstable, the error is large, the detection result is influenced, and the detection result needs to be improved.

Disclosure of Invention

An object of the utility model is to provide a but novel chemistry of autotitration titrates device to in solving the current chemistry titration testing process that mentions among the above-mentioned background art, chemistry is titrated and is mainly relied on staff manually operation to the control of titrating liquid, titrates the unable accurate control of flow and the velocity of flow of liquid, consequently detects the data that obtain unstable, and the error is great, influences the problem of testing result.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a but novel chemical titration device of autotitration, includes base, mount and titration liquid automatic input ware, be equipped with the titration platform on the mount, be equipped with the glass burette on the titration platform, the base upper surface is equipped with adjustable magnetic stirrers, the erlenmeyer flask has been placed on adjustable magnetic stirrers surface, the erlenmeyer flask is located glass burette below, be equipped with adjustable peristaltic pump and liquid bath in the titration liquid automatic input ware, be connected with the anti corrosion rubber tube of second between adjustable peristaltic pump and the liquid bath, be connected through first anticorrosive rubber tube between adjustable peristaltic pump and the glass burette.

Preferably, the glass dropper is provided with scales on the surface, the bottom end of the glass dropper is arranged in a pointed shape, and the distance between the bottom end of the glass dropper and the bottle mouth of the conical bottle is not less than 5cm, so that the dropping speed of the glass dropper can be conveniently observed.

Preferably, the glass dropper is provided with a test paper clip and an adjustable switch, and the adjustable switch is positioned below the test paper clip and can be used for conveniently adjusting the dropping speed of the glass dropper.

Preferably, be equipped with the liquid level observation window on the automatic input ware lateral wall of titration liquid, the liquid level observation window is corresponding with the position in liquid pool, be equipped with the scale strip on the liquid level observation window, and be equipped with minimum liquid level line and highest liquid level line on the liquid level observation window, can be convenient for observe the liquid level height of the titration liquid in the liquid pool.

Preferably, one end of the second anti-corrosion rubber tube penetrates through the automatic titrating liquid input device and is connected with the first anti-corrosion rubber tube through the conversion interface, so that the first anti-corrosion rubber tube and the second anti-corrosion rubber tube can be conveniently connected, detached and replaced.

Preferably, it is equipped with mounting hole and elasticity tube hole to run through on the titration platform, the titration platform cup joints through mounting hole and mount, titration platform one side is connected with limit bolt, limit bolt one end extends and is located the mounting hole, the glass burette passes through the elasticity tube hole and pegs graft with the titration platform, can be convenient for fix and spacing the titration platform.

The utility model provides a but novel chemical titration device of autotitration possesses following beneficial effect:

(1) the utility model discloses a set up adjustable peristaltic pump to set up adjustable magnetic stirrers on the base, the during operation can be opened the peristaltic pump and adjust titration speed to steady state, opens magnetic stirrers simultaneously and adjusts to suitable speed, and is quick simple and convenient, and maneuverability is strong, and it is adjustable to titrate the liquid velocity of flow, and data stability and reproducibility are good, are applicable to most chemistry titration experiment etc. carry out the qualitative, quantitative analysis of chemicals to the sample.

(2) The utility model discloses a be equipped with the liquid level observation window on titrating liquid automatic input ware, can utilize the liquid level observation window to carry out real-time observation to the liquid level height of titrating liquid in the liquid bath, convenient to use through will titrating the platform and pass through mounting hole and spacing bolt and mount fixed connection, can be convenient for adjust the height of titrating the platform to be convenient for adjust the distance between glass burette and the erlenmeyer flask, convenient to use.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of an automatic titrating liquid input device according to the present invention;

fig. 3 is a schematic structural view of the titration platform of the present invention.

In the figure: 1. a base; 2. a fixed mount; 3. a titration platform; 4. an adjustable magnetic stirrer; 5. a glass dropper; 6. a test paper clip; 7. an adjustable switch; 8. a first corrosion-resistant rubber tube; 9. a conical flask; 10. a second anti-corrosion hose; 11. an adjustable peristaltic pump; 12. a liquid pool; 13. an automatic titration liquid input device; 14. a liquid level observation window; 15. a scale bar; 16. mounting holes; 17. an elastic tube hole; 18. a limit bolt; 19. and converting the interface.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-3, the utility model provides a technical solution: the utility model provides a but novel chemical titration device of autotitration, includes base 1, mount 2 and titrates liquid automatic input ware 13, be equipped with on the mount 2 and titrate platform 3, be equipped with glass burette 5 on titrating platform 3, 1 upper surface of base is equipped with adjustable magnetic stirrers 4, erlenmeyer flask 9 has been placed on adjustable magnetic stirrers 4 surface, erlenmeyer flask 9 is located glass burette 5 below, be equipped with adjustable peristaltic pump 11 and liquid bath 12 in titrating liquid automatic input ware 13, be connected with the anti corrosion rubber tube 10 of second between adjustable peristaltic pump 11 and the liquid bath 12, be connected through first anti corrosion rubber tube 8 between adjustable peristaltic pump 11 and the glass burette 5.

Scales are arranged on the surface of the glass dropper 5, the bottom end of the glass dropper 5 is arranged in a pointed shape, the distance between the bottom end of the glass dropper 5 and the bottle mouth of the conical bottle 9 is not less than 5cm, and the falling speed of the titration liquid can be conveniently observed by keeping a certain distance between the bottom end of the glass dropper 5 and the bottle mouth of the conical bottle 9; the glass dropper 5 is provided with a test paper clip 6 and an adjustable switch 7, the adjustable switch 7 is positioned below the test paper clip 6, and the dropping speed of the dropping liquid in the glass dropper 5 can be adjusted by opening the adjustable switch 7; a liquid level observation window 14 is arranged on the side wall of the automatic titrating liquid input device 13, the liquid level observation window 14 corresponds to the liquid pool 12 in position, a scale bar 15 is arranged on the liquid level observation window 14, the liquid level observation window 14 is provided with a lowest liquid level line and a highest liquid level line, the liquid level height of titrating liquid in the liquid pool 12 can be observed through the liquid level observation window 14, and the titrating liquid is prevented from being higher than the highest liquid level line and lower than the lowest liquid level line; one end of the second anti-corrosion rubber pipe 10 penetrates through the automatic titration liquid input device 13 and is connected with the first anti-corrosion rubber pipe 8 through the conversion interface 19, so that the first anti-corrosion rubber pipe 8 and the second anti-corrosion rubber pipe 10 can be stably connected, and the first anti-corrosion rubber pipe 8 and the second anti-corrosion rubber pipe 10 can be conveniently detached and replaced; titration platform 3 is last to run through and to be equipped with mounting hole 16 and elasticity tube hole 17, titration platform 3 cup joints with mount 2 through mounting hole 16, 3 one side of titration platform is connected with limit bolt 18, limit bolt 18 one end is extended and is located mounting hole 16, glass burette 5 pegs graft with titration platform 3 through elasticity tube hole 17, can cup joint titration platform 3 on mount 2 through mounting hole 16, then rotates limit bolt 18, utilizes 18 one end of limit bolt and 2 lateral walls butts of mount, carries out spacing fixed to titration platform 3, can insert elasticity tube hole 17 with glass burette 5 simultaneously in, utilizes elasticity tube hole 17 and 3 fixed grafting of titration tube platform.

When the novel chemical titration device capable of automatically titrating works, firstly, a glass dropper 5 is installed on a titration platform through an elastic pipe hole 17, a conical bottle 9 is placed on an adjustable magnetic stirrer 4, then, a titration solution is filled into a liquid pool 12, the liquid level of the titration solution in the liquid pool 12 is slightly lower than the highest liquid level line, then, an adjustable peristaltic pump 11 is started, the titration solution is introduced into the glass dropper 5 through the adjustable peristaltic pump 11, a second anti-corrosion rubber tube 10 and a first anti-corrosion rubber tube 8, the adjustable peristaltic pump 11 is closed after the glass dropper 5 is filled with the titration solution, meanwhile, a waste liquid bottle is used for receiving redundant titration solution, air bubbles in a pipeline are removed, and meanwhile, the volume of the titration solution in a liquid level observation window is recorded; adjusting the height of a glass dropper 5, wherein the tail end of the dropper is at least 5cm higher than the bottle mouth of a conical bottle 9 for determination, putting a sample to be analyzed into the conical bottle 9, the loading amount of the sample is not more than 1/5 of the empty bottle volume of the conical bottle 9, then dropping an indicator into the conical bottle 9, putting a rotor of an adjustable magnetic stirrer 4 into the sample, simultaneously starting the adjustable magnetic stirrer 4 and adjusting to a proper speed, then starting a peristaltic pump again to adjust the titration speed to a stable state, paying attention to the fact that the flow rate of the titration liquid is not too high, turning off an adjustable peristaltic pump 11 after the color of the sample is observed to meet the requirement, turning off the adjustable magnetic stirrer 4, simultaneously recording the volume of the titration liquid in a liquid level observation window, and calculating the volume difference of the titration liquid for 2 times before and after the; the utility model discloses it is easy and simple to handle fast, maneuverability is strong, and titrates the liquid velocity of flow adjustable, and data stability and reproducibility are good, are applicable to most chemistry titration tests etc. carry out qualitative, quantitative analysis of chemicals to the sample.

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 (6)

1. The utility model provides a but novel chemical titration device of autotitration, includes base (1), mount (2) and titration liquid automatic input ware (13), its characterized in that: be equipped with on mount (2) and titrate platform (3), be equipped with glass burette (5) on titrating platform (3), base (1) upper surface is equipped with adjustable magnetic stirrers (4), erlenmeyer flask (9) have been placed on adjustable magnetic stirrers (4) surface, erlenmeyer flask (9) are located glass burette (5) below, be equipped with adjustable peristaltic pump (11) and liquid bath (12) in titrating liquid automatic input ware (13), be connected with the second between adjustable peristaltic pump (11) and liquid bath (12) and resist corrosion rubber tube (10), be connected through first anticorrosive rubber tube (8) between adjustable peristaltic pump (11) and the glass burette (5).

2. The novel automatic titrating chemical titration device according to claim 1, wherein: the glass dropper (5) is provided with scales on the surface, the bottom end of the glass dropper (5) is arranged in a pointed shape, and the distance between the bottom end of the glass dropper (5) and the bottle mouth of the conical bottle (9) is not less than 5 cm.

3. The novel automatic titrating chemical titration device according to claim 1, wherein: the test paper dropper is characterized in that a test paper clip (6) and an adjustable switch (7) are arranged on the glass dropper (5), and the adjustable switch (7) is located below the test paper clip (6).

4. The novel automatic titrating chemical titration device according to claim 1, wherein: be equipped with liquid level observation window (14) on titrating liquid automatic input ware (13) lateral wall, liquid level observation window (14) are corresponding with the position of liquid bath (12), be equipped with scale strip (15) on liquid level observation window (14), and be equipped with minimum liquid level line and highest liquid level line on liquid level observation window (14).

5. The novel automatic titrating chemical titration device according to claim 1, wherein: one end of the second anti-corrosion rubber pipe (10) penetrates through the automatic titration liquid input device (13) and is connected with the first anti-corrosion rubber pipe (8) through a conversion interface (19).

6. The novel automatic titrating chemical titration device according to claim 1, wherein: titrate and run through on platform (3) and be equipped with mounting hole (16) and elasticity tube hole (17), titrate platform (3) and cup joint through mounting hole (16) and mount (2), titrate platform (3) one side and be connected with spacing bolt (18), spacing bolt (18) one end is extended and is located mounting hole (16), glass burette (5) are pegged graft through elasticity tube hole (17) and titrate platform (3).

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