Chromatography Forum

Posted: **Mon Dec 13, 2004 5:29 pm**

Hello

I need a method for limit test of ammonia but not with nessler regent.
My row material is degradate in NAOH. and the color i get is stronger then the reagent itself.

Thank you

Posted: **Mon Dec 13, 2004 7:37 pm**

European Pharmacopoeia offers very simple and sensitive test for Ammonia, try it.

Posted: **Wed Dec 22, 2004 11:40 pm**

You can separate ammonium on a cation exchange column. Dionex offers several opitions.

Posted: **Thu Dec 23, 2004 4:44 am**

Try this simple method with ELS detection

http://allsep.com/makeCmp.php?cmp=Cmp_005

Chromatography Forum

Ammonia limit test

Ammonia limit test