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EDTA dissolution


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3 replies to this topic

#1 fguilhem

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Posted 02 February 2005 - 06:29 AM

hi
i'm trying to make a solution of edta 0.5M
as said in books, edta will dissolve in ph near 8
but i want an edta solution at ph 7.2 without any chloridric acid addition.
is it possible?

thanks

#2 patirl

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Posted 02 February 2005 - 10:51 AM

hi

I've never heard of EDTA at a pH lower than 8. :)
Sorry can't be of much help. Definitely doesn't dissolve using HCl until you reach very close to 8.

#3 biogeek

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Posted 14 February 2005 - 01:44 PM

EDTA won't go into solution until you reach pH 8.0.

#4 sharath

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Posted 25 February 2005 - 04:29 AM

Di sodium salt of EDTA should dissolve at 7.2. But, i donot the know the probability at 0.5M concentration.
Sharath B.




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