CN205826615U - A kind of acid-base titration experimental provision - Google Patents
A kind of acid-base titration experimental provision Download PDFInfo
- Publication number
- CN205826615U CN205826615U CN201620812037.9U CN201620812037U CN205826615U CN 205826615 U CN205826615 U CN 205826615U CN 201620812037 U CN201620812037 U CN 201620812037U CN 205826615 U CN205826615 U CN 205826615U
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- China
- Prior art keywords
- acid
- casing
- beaker
- base titration
- pipe
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- Expired - Fee Related
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- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
nullThe utility model discloses a kind of acid-base titration experimental provision，It includes that casing right side thereon is sequentially provided with control switch from bottom to top、Printer and display system，The left side of described casing is provided with rotatable heater and which is provided with receiving hole，Described receiving hole is provided with ultra-thin magnetic stirrer，Described ultra-thin magnetic stirrer is provided with beaker，Four clampers it are provided with on described casing and on the top of described rotatable heater，Each described clamper is clamped with indicator ascending pipe respectively、Style ascending pipe、Acid acid-base titration pipe and alkalescence acid-base titration pipe，It is provided with photogate on the sidewall of described casing and between described clamper and described beaker，PH sensor it is additionally provided with in described beaker，Described photogate and described PH sensor are connected with described printer and display system by the control main frame in casing；Use said structure, it is achieved that simple in construction, easy to operate, intuitively, it is simple to student understands and grasps, and experimental data measures accurately and can draw the effect of acid base neutralization titration curve exactly.
Description
Technical field
This utility model relates to a kind of teaching study experimental provision, particularly relates to a kind of acid-base titration experimental provision.
Background technology
Acid-base titration experiment is the alkali (or acid) by acid (or alkali) the solution titration certain volume unknown concentration of concentration known
Solution, measures the volume of concentration known acid (or alkali) solution, can calculate the concentration of alkali to be measured (or acid) solution.Due to existing skill
The acid-base titration experimental provision of art mainly uses the artificial volume reading concentration known acid (or alkali) solution, is so easily caused survey
Amount result is not accurate, and cannot draw acid base neutralization titration curve exactly and determine titration end-point.
Summary of the invention
The purpose of this utility model is to provide a kind of simple in construction, easy to operate, intuitively, it is simple to student understands and grasps,
And experimental data measures accurately and can draw the acid-base titration experimental provision of acid base neutralization titration curve exactly.
The technical solution of the utility model is a kind of acid-base titration experimental provision, and it includes casing 1, it is characterised in that: institute
The right side stating casing 1 is sequentially provided with control switch 15, printer 3 and display system 2, a left side for described casing 1 from bottom to top
Side is provided with rotatable heater 8, and described rotatable heater 8 top is provided with receiving hole 9, and described receiving hole 9 is provided with ultra-thin magnetic
Power agitator 11, described ultra-thin magnetic stirrer 11 is provided with beaker 10, on described casing 1 and at described rotatable heater 8
Top be provided with four clampers 14, each described clamper 14 be clamped with respectively indicator ascending pipe 4, style ascending pipe 5, acid
Property acid-base titration pipe 6 and alkalescence acid-base titration pipe 7, on the sidewall of described casing 1 and at described clamper 14 and described beaker 10
Between be provided with photogate 13, be additionally provided with PH sensor 12 in described beaker 10, described photogate 13 and described
PH sensor 12 is connected with described printer 3 and display system 2 by the control main frame in casing 1.
The beneficial effects of the utility model are by being sequentially provided with control switch from bottom to top on the right side of described casing 1
15, printer 3 and display system 2, the left side of described casing 1 is provided with rotatable heater 8, described rotatable heater 8
Top is provided with receiving hole 9, and described receiving hole 9 is provided with ultra-thin magnetic stirrer 11, and described ultra-thin magnetic stirrer 11 is provided with
Beaker 10, is provided with four clampers 14, each described clamper on described casing 1 and on the top of described rotatable heater 8
14 are clamped with indicator ascending pipe 4, style ascending pipe 5, acid acid-base titration pipe 6 and alkalescence acid-base titration pipe 7, described case respectively
It is provided with photogate 13, on the sidewall of body 1 and between described clamper 14 and described beaker 10 in described beaker 10 also
It is provided with PH sensor 12, described photogate 13 and described PH sensor 12 by the control main frame in casing 1 with described
Printer 3 and display system 2 connect；During experiment, both beaker 10 can be heated, again by rotatable heater 8
Beaker 10 can be made to rotate with rotatable heater 8, it is also possible to by ultra-thin magnetic stirrer 11, the liquid in beaker 10 is entered
Row stirring, when beaker 10 rotates with rotatable heater 8, injects style by the style ascending pipe 5 on casing 1 clamper 14
Liquid, injects corresponding reagent by indicator ascending pipe 4, and the use acidity acid-base titration pipe 6 or the alkalescence that then select neutralize
Burette 7, to control main frame and is beaten transmission after droplet counting by data by photogate 13 in titration process
Print machine 3 is printed or is shown by display system 2, and this process is not only directly perceived, and is easy to student's understanding and grasps, it is achieved that
Experimental data is measured accurately and can draw the effect of acid base neutralization titration curve exactly.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model
In Fig. 11, casing, 2, display system, 3, printer, 4, indicator ascending pipe, 5, style ascending pipe, 6, acid
Property acid-base titration pipe, 7, alkalescence acid-base titration pipe, 8, rotatable heater, 9, receiving hole, 10, beaker, 11, ultra-thin magnetic agitation
Device, 12, PH sensor, 13, photogate, 14, clamper, 15, control switch.
Detailed description of the invention
According to Fig. 1, this utility model relates to a kind of acid-base titration experimental provision, and it includes casing 1, described casing 1
Right side be sequentially provided with control switch 15, printer 3 and display system 2 from bottom to top, the left side of described casing 1 is provided with rotation
Turning heater 8, described rotatable heater 8 top is provided with receiving hole 9, and described receiving hole 9 is provided with ultra-thin magnetic stirrer
11, described ultra-thin magnetic stirrer 11 is provided with beaker 10, sets on described casing 1 and on the top of described rotatable heater 8
Four clampers 14, each described clamper 14 are had to be clamped with indicator ascending pipe 4, style ascending pipe 5, acid neutralization droplet respectively
Fixed tube 6 and alkalescence acid-base titration pipe 7, be provided with on the sidewall of described casing 1 and between described clamper 14 and described beaker 10
Photogate 13, is additionally provided with PH sensor 12, described photogate 13 and described PH sensor in described beaker 10
12 are connected with described printer 3 and display system 2 by the control main frame in casing 1；During experiment, filled by rotary heating
Put 8 both can beaker 10 be heated, beaker 10 can be made again to rotate with rotatable heater 8, it is also possible to by ultra-thin magnetic
Liquid in beaker 10 is stirred by power agitator 11, when beaker 10 rotates with rotatable heater 8, is pressed from both sides by casing 1
Style ascending pipe 5 in holder 14 injects style liquid, injects corresponding reagent by indicator ascending pipe 4, then selects
Use acid acid-base titration pipe 6 or alkalescence acid-base titration pipe 7, by photogate 13 by droplet counting in titration process
Rear transmission is to controlling main frame and being printed by printer 3 or shown by display system 2, and this process is the most straight
See, and be easy to student's understanding and grasp, it is achieved that experimental data is measured accurately and can draw acid base neutralization titration curve exactly
Effect.
Claims (1)
1. an acid-base titration experimental provision, it includes casing (1), it is characterised in that: the right side of described casing (1) is from bottom to top
Being sequentially provided with control switch (15), printer (3) and display system (2), the left side of described casing (1) is provided with rotary heating
Device (8), described rotatable heater (8) top is provided with receiving hole (9), and described receiving hole (9) is provided with ultra-thin magnetic agitation
Device (11), described ultra-thin magnetic stirrer (11) is provided with beaker (10), on described casing (1) and at described rotatable heater
(8) top is provided with four clampers (14), and each described clamper (14) is clamped with indicator ascending pipe (4), style respectively
Ascending pipe (5), acid acid-base titration pipe (6) and alkalescence acid-base titration pipe (7), on the sidewall of described casing (1) and at described folder
Being provided with photogate (13) between holder (14) and described beaker (10), described beaker is additionally provided with pH sensor in (10)
(12), described photogate (13) and described pH sensor (12) are by the control main frame in casing (1) and described data
Printer (3) and display system (2) connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620812037.9U CN205826615U (en) | 2016-07-29 | 2016-07-29 | A kind of acid-base titration experimental provision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620812037.9U CN205826615U (en) | 2016-07-29 | 2016-07-29 | A kind of acid-base titration experimental provision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205826615U true CN205826615U (en) | 2016-12-21 |
Family
ID=57557409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620812037.9U Expired - Fee Related CN205826615U (en) | 2016-07-29 | 2016-07-29 | A kind of acid-base titration experimental provision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205826615U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110002478A (en) * | 2018-01-05 | 2019-07-12 | 上海实业振泰化工有限公司 | The device and method of flake magnesium hydroxide and spherical magnesia is prepared with rear magnesia |
-
2016
- 2016-07-29 CN CN201620812037.9U patent/CN205826615U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110002478A (en) * | 2018-01-05 | 2019-07-12 | 上海实业振泰化工有限公司 | The device and method of flake magnesium hydroxide and spherical magnesia is prepared with rear magnesia |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161221 Termination date: 20170729 |