How can I maintain a pH lower than 3 in an aqueous solution when using metallic iron as a reductant, considering that the iron's reaction tends to increase the pH? Any recommendations for suitable buffer solutions or methods to achieve this?
Henrik Rasmus Andersen
Doaa Eladl , You need to consider the chemistry of the system, but I found that a good excess of acetic acid works better than most of the traditional buffer systems for some cases of applying nanoparticles of iron..
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