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naguibwaguihnaguib@gmail.
science forum beginner
Joined: 19 Jun 2006
Posts: 2
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 Posted: Mon Jun 19, 2006 4:31 am Post subject:
how to measure tolal carbon in water sample
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hallo colleagues
i am chemist work in petroleum company in middle east , i want to
measure the total organic carbon in disharged water to the sea , i
want to known more information about the standard method and the app.
procedure for analysis ,
can you help me
thanks |
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Richard
science forum beginner
Joined: 10 May 2005
Posts: 24
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| Posted: Mon Jun 19, 2006 12:40 pm Post subject:
Re: how to measure tolal carbon in water sample
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naguibwaguihnaguib@gmail.com wrote:
| Quote: | hallo colleagues
i am chemist work in petroleum company in middle east , i want to
measure the total organic carbon in disharged water to the sea , i
want to known more information about the standard method and the app.
procedure for analysis ,
can you help me
thanks
|
Take a look at this website. TOC analyzers are a big business for them.
http://www.geinstruments.com/ionics/index.cfm
Richard |
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<HLS@nospam.nix>
science forum addict
Joined: 25 Oct 2005
Posts: 90
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| Posted: Tue Jun 20, 2006 10:05 am Post subject:
Re: how to measure tolal carbon in water sample
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<naguibwaguihnaguib@gmail.com> wrote in message
news:1150691472.888364.13440@g10g2000cwb.googlegroups.com...
| Quote: | hallo colleagues
i am chemist work in petroleum company in middle east , i want to
measure the total organic carbon in disharged water to the sea , i
want to known more information about the standard method and the app.
procedure for analysis ,
can you help me
thanks
|
It has normally been done by extracting the water with an appropriate
solvent,
cleaning up the extract, and analyzing by infrared spectrophotometry.
Freon(tm)
has been used, but is somewhat in disfavor. Other solvents having no C-H
absorption
bands might be adapted.
There are modifications to remove polar compounds from the extracts, etc.
if
you view that as being appropriate to your goals. A simple pass down an
alumina
gel column can do that, and you can later elute the polar fragments and
analyze if
you wish.
The waters often carry short chain carboxylates, in some cases even phenols
and other interesting materials.
When you start looking for things carefully, you may sometimes be surprised
at
what you find;>) |
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don.shelly@gmail.com
science forum beginner
Joined: 30 Jan 2006
Posts: 6
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| Posted: Tue Jun 20, 2006 12:35 pm Post subject:
Re: how to measure tolal carbon in water sample
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naguibwaguihnaguib@gmail.com wrote:
| Quote: | hallo colleagues
i am chemist work in petroleum company in middle east , i want to
measure the total organic carbon in disharged water to the sea , i
want to known more information about the standard method and the app.
procedure for analysis ,
can you help me
thanks
|
Please download application notes from our website. www.unitedchem.com
We offer solid phase extraction products that can make your task very
simple. Go to SPE publications and download the DRO extraction method,
or email us.
Don Shelly
United Chemical Technologies, Inc. |
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