What is the role of EDTA and H3PO4 in the stabilization of commercialy used (3% solution) hydrogen peroxide?
1 Answer
Jan 5, 2018
They bind to the metal ions that catalyze the decomposition of hydrogen peroxide.
Explanation:
Cations like
EDTA is a chelating agent. It forms complexes with these ions and prevents their catalytic action.
Phosphoric acid is a sequestering agent. It binds many divalent cations.
These include