5 Questions
What is the preferred form of EDTA for preparing the standard solution?
Disodium salt
What is the molecular weight of EDTA?
372.24g/mol
What is the role of EDTA in products such as detergents and food additives?
Prevent metal-catalyzed oxidation of food
In what type of container are EDTA solutions best stored?
Polyethylene
What is the function of EDTA in complexometric titration?
Forms strong 1:1 complexes with metal ions
Study Notes
EDTA Characteristics
- The preferred form of EDTA for preparing the standard solution is the disodium salt (Na2H2EDTA).
EDTA Properties
- The molecular weight of EDTA is 292.24 g/mol.
EDTA Applications
- EDTA plays a role in products such as detergents and food additives, where it acts as a chelating agent, removing ions that can interfere with their functionality.
EDTA Storage
- EDTA solutions are best stored in glass or polyethylene containers, as EDTA can react with metals and contaminate the solution.
EDTA in Complexometric Titration
- The function of EDTA in complexometric titration is to react with metal ions to form a stable, water-soluble complex, allowing for the precise measurement of the metal ion concentration.
Test your knowledge of complexometric titration and EDTA titration with this quiz. Explore the principles and procedures of this volumetric method for metal determination, as well as the use of metal-ion indicators.
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