It's also used as a buffer for acid/base titrations, if I recall my quantitative analysis.
That's what I was recalling. Thanks.
Stoichiometry, EDTA, Phenolphthalein, micro-gram scales. That's been a while.
EDTA is in a lot of stuff.
39 posted on 08/24/2005 4:19:19 PM PDT by lepton
("It is useless to attempt to reason a man out of a thing he was never reasoned into"--Jonathan Swift)