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Topic: ask about increasing the selectivity of EDTA  (Read 8829 times)

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dina

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ask about increasing the selectivity of EDTA
« on: May 17, 2006, 04:01:40 PM »
Hi

PLS i want to Know the 3 METHODS to increase the SELECTIVITY of EDTA  ????!!!!!   

PLS someone help me    :'(  :'( 

I am waiting SOONEST reply pls
« Last Edit: May 28, 2006, 12:46:06 PM by Mitch »
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Offline Albert

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Re: INCREASING SELECTIVITY of EDTA
« Reply #1 on: May 17, 2006, 04:12:18 PM »
Generally speaking or considering a problem in particular?
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Offline Albert

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Re: INCREASING SELECTIVITY of EDTA
« Reply #2 on: May 17, 2006, 04:23:23 PM »
Three? Mmm...well, I'd say: varying pH, masking agents, back titrations.

Please, stop use bold-style.
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dina

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Re: INCREASING SELECTIVITY of EDTA
« Reply #3 on: May 17, 2006, 04:27:27 PM »
MAny thanks for u ALBERT but i want more DETAILS about this TOPIC
and PLS give me SITES or LINKS expalining my Question 

waiting your SOONEST reply 

Thanks In advance
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Offline Albert

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Re: INCREASING SELECTIVITY of EDTA
« Reply #4 on: May 17, 2006, 04:33:25 PM »
http://www.chm.bris.ac.uk/motm/edta/edtah.htm
http://en.wikipedia.org/wiki/Back_titration

However, you can look for masking agents and/or back titration on Google.
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Offline Borek

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Re: INCREASING SELECTIVITY of EDTA
« Reply #5 on: May 17, 2006, 04:44:37 PM »
http://www.chemicalforums.com/index.php?topic=289.0

Search forums, this subject was discussed twice at least.
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Rehamotta

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Re: INCREASING SELECTIVITY of EDTA
« Reply #6 on: May 28, 2006, 12:08:38 PM »
Hi
my name is reham and i am new here, but i wanted to ask about increasing the selectivity of EDTA. i have seen some methods here as kinetic masking, masking, demasking, complexation but can you please tell me where can i find examples and elaboration for them???(which sites should i visit?) Please reply to me as soon as possible
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