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Discussions about HPLC, CE, TLC, SFC, and other "liquid phase" separation techniques.

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Hello eveybody, i have to find a method for the determination of SO4 and Cl in fruit juice....anyone have the method or any tips and advise

Thanks a lot.

just curious: did you actually try to do an online search? I used Google and was quite successful...

cheers
--
Robert Haefele

You might want to take a look at http://www1.dionex.com/en-us/webdocs/4094_AN143_V19.pdf
to see how we do it.
Mark Tracy
Senior Chemist
Dionex Corp.

Depending on the type of fruit juice sample preparation might become important.
Inline Dialysis often is the solution.
Application Note S-164 shows anions in orange juice (login required, free registration).
Dr. Markus Laeubli
Manager Marketing Support IC
(retired)
Metrohm AG
9101 Herisau
Switzerland

Stay away from the Metrohm method. It is so prone to problems and cross contamination that you're life will be a misery.

Stay away from the Metrohm method. It is so prone to problems and cross contamination that you're life will be a misery.
I am pretty surprised to hear that. As our feedback is quite different.
I would be more than happy to discuss the problems you found with you.

You may reach me under lae@metrohm.ch.
Dr. Markus Laeubli
Manager Marketing Support IC
(retired)
Metrohm AG
9101 Herisau
Switzerland

I use Metrohm kit and their standard methods with no problems. As with most things it comes down to how good your sample preparation is.

GCguy
GCguy

Too bad so many discussions go private when they just promise to become quite interesting.

Too bad so many discussions go private when they just promise to become quite interesting.
No problem with an open discussion.
Dr. Markus Laeubli
Manager Marketing Support IC
(retired)
Metrohm AG
9101 Herisau
Switzerland
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