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Automatic acid-base titration instrument

An acid-base titration, automatic technology, applied in the field of laboratory equipment, can solve the problems of inaccuracy, cumbersome liquid filling, time-consuming and labor-intensive, etc., and achieves the effect of convenient operation and guaranteed accuracy.

Inactive Publication Date: 2015-06-24
HEZE UNIV
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Problems solved by technology

The traditional acid-base titration method is to use an acid-type or alkaline-type burette, which is cumbersome and not accurate enough to fill the liquid. It often takes a long time to perform the titration operation (manual shaking of the Erlenmeyer flask, manual control of the liquid flow rate), which is time-consuming and laborious. Not only The operator's work intensity is high, there will be human errors, and the reliability of the experimental results is poor

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Embodiment Construction

[0010] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0011] refer to figure 1 , figure 2 , the automatic acid-base titrator of the present invention comprises a liquid storage bottle 6 for storing acid / alkali solution, a burette 9 and a liquid storage vessel 8 for storing liquid to be titrated, a box-like structure shell 1 and Intelligent controller, in the present embodiment, what liquid storage container 8 adopted is Erlenmeyer flask.

[0012] The liquid storage bottle 6 is provided with two, and they are fixed on the top of the inner cavity of the shell 1 through the fixing seat 7 . A vibrating device 10 is provided inside the cavity of the housing 1 . There are two liquid storage containers 8 , which are locked and fixed on the vibrating device 10 through the fixing clip 11 . The top of the burette 9 is connected to the liquid outlet of the liquid storage bottle 6, and the bottom end of ...

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Abstract

The invention relates to the technical field of experimental instruments, in particular to an automatic acid-base titration instrument, comprising a storage bottle, a titration tube, a vessel, a shell and an intelligent controller. The storage bottle is used for storing acid / alkali liquid; the vessel is used for storing liquid to be titrated; the shell is in a box structure. The storage bottle is fixed the top of an inner chamber of the shell through a fixing base. A vibrator is disposed within the inner chamber of the shell. The vessel is locked and fixed to the vibrator through a fixing clamp. The top end of the titration tube is connected to a liquid outlet of the storage bottle. The bottom end of the titration tube extends into the vessel. An orifice of the bottom end of the titration tube is connected with a sharp-tip titration tube. A micro-metering pump and an automatic valve are mounted on the titration tube in order from top to bottom. A pH sensor is disposed at the bottom of the inner chamber of the vessel. The automatic acid-base titration instrument is convenient to operate, safe and reliable, and time saving and labor saving, and accuracy of experimental results can be ensured.

Description

technical field [0001] The invention relates to the technical field of experimental equipment, in particular to an automatic acid-base titrator. Background technique [0002] In the fields of inorganic chemistry, analytical chemistry, biochemistry, microbiology, genetics, life science and medicine, acid-base titration operations are often performed. The traditional acid-base titration method is to use an acid-type or alkaline-type burette, which is cumbersome and not accurate enough to fill the liquid. It often takes a long time to perform the titration operation (manual shaking of the Erlenmeyer flask, manual control of the liquid flow rate), which is time-consuming and laborious. Not only The operator's work intensity is high, there will be human errors, and the reliability of the experimental results is poor. Contents of the invention [0003] The object of the present invention is to provide an automatic acid-base titrator to solve the above-mentioned technical proble...

Claims

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Application Information

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IPC IPC(8): G01N31/16
Inventor 王宜磊王文爽
Owner HEZE UNIV
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