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chrom-L · Chromatography, SPE, LC/MS, HPLC, GC/MS
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Extraction of plasma catecholamines   Message List  
Reply | Forward Message #2298 of 2317 |
We use a method to determine plasma catecholamine in HPLC.Prior the
plasma is precipitated with a reactive A.Then exctrated with a resin
mixed to dietiletilammonium.
When I have used for raective A a perchloric acid I have seen that I
have not extraction of catecholamines but I have only Internal
standard put prior!

Any suggestions?

GB




Sun Mar 25, 2007 8:45 pm

gbruno_2000
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Message #2298 of 2317 |
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We use a method to determine plasma catecholamine in HPLC.Prior the plasma is precipitated with a reactive A.Then exctrated with a resin mixed to...
Gianfranco Bruno
gbruno_2000
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Mar 25, 2007
8:52 pm
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