raivo Posted January 25, 2005 Share Posted January 25, 2005 Can anyone explain how EDTA is used for titration? I read somewhere that EDTA reacts with metal ions and color of erichrome black indicator changes when there is no free EDTA any more. Right? Are there other indicators that can be used for titration with EDTA? Is there way to tell by such titration what metal ions those were that reacted with EDTA? Link to comment Share on other sites More sharing options...
budullewraagh Posted January 25, 2005 Share Posted January 25, 2005 ethylenediaminetetraacetic acid is indeed an acid. thus, it can be used in titrations for alkaline solutions Link to comment Share on other sites More sharing options...
Technologist Posted January 26, 2005 Share Posted January 26, 2005 http://www.nau.edu/~chem/faculty/ingram/images/CHM_320_Mar_Lectures.pdf Link to comment Share on other sites More sharing options...
Dhawal Posted January 26, 2005 Share Posted January 26, 2005 EDTA has 4 acidic H that make it a reasonably good strong acid Link to comment Share on other sites More sharing options...
budullewraagh Posted January 26, 2005 Share Posted January 26, 2005 the dissociation constant isnt exactly low..... Link to comment Share on other sites More sharing options...
raivo Posted January 26, 2005 Author Share Posted January 26, 2005 Many thaks to Technologist for link! It explains a lot. Link to comment Share on other sites More sharing options...
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