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blogfast25
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[*] posted on 24-5-2010 at 11:58
OTC Indicators for EDTA titrations?

Does anyone have ideas for an EDTA indicator from OTC materials? In my UNI days it was all about Eriochrome Black T but I'm gonna find that kind of hard to find...
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per.y.ohlin
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[*] posted on 25-5-2010 at 03:28


It's fairly easy to find actually. http://www.makershed.com/ProductDetails.asp?ProductCode=ZUNC...
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blogfast25
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[*] posted on 25-5-2010 at 04:26


Interesting site, per, but ships to contiguous US only, not internationally...
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hissingnoise
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[*] posted on 25-5-2010 at 05:11


Actually blogfast25, if you recheck you'll find they do ship internationally. . .
The contiguous states thing is about fast shipping.
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Ozone
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[*] posted on 25-5-2010 at 06:12


I prefer calmagite. It should be available without too much fuss.

Calmagite.jpg - 23kB



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blogfast25
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[*] posted on 25-5-2010 at 12:24


Quote: Originally posted by hissingnoise  
Actually blogfast25, if you recheck you'll find they do ship internationally. . .
The contiguous states thing is about fast shipping.



Yes, I can see that now. My bad... :(
Quote: Originally posted by Ozone  
I prefer calmagite. It should be available without too much fuss.


In what way is calmagite to be preferred?
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Ozone
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[*] posted on 26-5-2010 at 07:30


The attached paper explains my preference (and is a nice paper, too-boot).

Cheers,

O3

Attachment: Ingman and Ringbom 1966_calmagite.pdf (391kB)
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blogfast25
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[*] posted on 27-5-2010 at 12:30


Thanks O3, that's a good read!
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