Re: [APD] Removes "heavy metals"?

["Rob Fowler" <aquaria at sarcanthinae_com>]

----- Original Message ----- 
From: "Rory O'Brien" <rory_obrien at stonebow.otago.ac.nz>
To: "aquatic plants digest" <aquatic-plants at actwin_com>
Sent: Wednesday, August 18, 2004 9:38 AM
Subject: Re: [APD] Removes "heavy metals"?


> EDTA is commonly used in molecular biology as a chelator to mop up 
> divalent
> cations, especially Mg2+.
and Ca2+ when they use it as an anticoagulant
The wiki pages are worth a look:
http://en.wikipedia.org/wiki/Chelation

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