Environment-controllable temperature control potentiometric titration system and application method thereof

Abstract

The invention belongs to a potentiometric titration system and specifically relates to an environment-controllable temperature control potentiometric titration system and an application method thereof. The environment-controllable temperature control potentiometric titration system comprises a liquid adding system, a determining system, a stirring system, a weighting system used for sensing the mass change of the liquid adding system, a temperature control system and a titration environment controlling system, wherein the temperature control potentiometric titration system comprises a titration cup used for mixing liquid; the liquid adding system and the determining system are both connected with the titration cup; the stirring system and the temperature control system are both arranged on the titration cup; and the titration environment controlling system comprises a visual environmental cabinet used for supplying a controllable environment. The environment-controllable temperature control potentiometric titration system disclosed by the invention has the advantages of wide temperature control scope, high stability, high applicability, convenient operation, simple equipment, low cost, and the like, and is especially suitable for the accurate temperature-control potentiometric titration for the colored, colloid or turbid liquid under specific environment, such as, anaerobic environment.

Description

technical field [0001] The invention belongs to a potentiometric titration system, and more specifically relates to a temperature-controlled potentiometric titration system and an application method with a controllable environment. Background technique [0002] Common titration methods indicate the end point of the titration by the color change of a specific indicator. This method of observing color changes with the naked eye has large human errors and low accuracy. In addition, for the titration of colored, colloidal or turbid solutions, this method is difficult to indicate the end point of the titration. [0003] Temperature has a very significant effect on the potentiometric titration results of the solution, and the typical representative is the acid-base potentiometric titration. However, ordinary potentiometric titration generally does not have a temperature control device or the temperature control effect is not good. In addition, it is particularly important to ac...

AI Technical Summary

Problems solved by technology

However, for some substances that are easy to react with oxygen or carbon dioxide in the air, such as Fe2+, ionic liquids, etc., oxygen or carbon dioxide will affect the experimental results and cause certain experimental errors

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