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Subject: [DCHAS-L] DCHAS Archives

Date: Apr 13, 2013 10:01 UTC

Author: JAKSAFETY**At_Symbol_Here**AOL.COM

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Subject: Re: [DCHAS-L] EDTA in cleanup of aqueous radioisotope solution

Date: Apr 15, 2013 04:33 UTC

Author: Buczynski, Michael <Michael.Buczynski**At_Symbol_Here**CHURCHDWIGHT.COM>

From: Strode, Kyle <strode**At_Symbol_Here**CARROLL.EDU>

Subject: [DCHAS-L] EDTA in cleanup of aqueous radioisotope solution

Date: Apr 15, 2013 01:31 UTC

Reply-To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>

Message-ID: <81517D60279DA14B9C4EB0E41FBFA68712B0C918**At_Symbol_Here**bluenose.carroll.edu>

In-Reply-To:  

Demystify: 
I'm teaching a unit on EDTA and its myriad uses in chemistry. I read somewhere about why EDTA is often present in the cleaning solution used to sponge up spills of low-level radioactive aqueous solutions. Two questions:
1) How/why does EDTA enhance the cleanup from a chemical perspective? I'm sure it has to do with the high Kf value for complexation, but I'd love a confirmation.
2) What is done with the contaminated solution after sponging off the area?

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