90+ Preparation and Standardization of Volumetric Solutions
Defination of volumetric solution:
A “volumetric solution” is a type of solution that is prepared and standardized very carefully to ensure its accuracy because it is used for the analysis being performed.
We can only get precise and trustworthy titration results if we use the correct concentration of the volumetric solution.
Introduction of volumetric solution:
The Preparation of volumetric solutions involves applying traditional chemical analysis techniques. It is validated that the employed apparatus is accurate in order to make sure it is suitable for the intended application.
The number of moles of the material dissolved in one litre of solution is known as the molarity, which is used to express the concentration of volumetric solutions. A solution called x M contains x moles of material per litre. With a repeatability of no more than 0.2 percent (relative standard deviation), a sufficient number of titrations are used to calculate the molarity of volumetric solutions. Volumetric solutions cannot differ from the recommended strength by more than 10%.
The solution is standardised using the same procedure if the endpoint of an assay is established by an electrochemical technique, such as amperometry or potentiometry. The volumetric solution should be standardised in a medium with a similar composition to the one it will be employed in.
Unless otherwise specified, solutions that are more diluted than those described can be created by modifying the proportions or by adding water R without carbon dioxide to a previously defined, more concentrated solution. In the first instance, the volumetric solution mentioned in the monograph is used to calculate the correction factor. In the latter scenario, the standardised solution’s correction factor is identical to that of the diluted solution.
Volumetric solutions that are commercially available and traceable to a primary standard can be used if their titre is determined or verified prior to use. Volumetric solution titres are evaluated at suitable intervals stated in the quality system processes.
Following are procedure for Preparations and Standardization Volumetric solutions for more then 90 volumetric solutions with diffrent concentrations.