Chromatography Forum

Posted: **Mon May 12, 2008 4:12 pm**

Please what is the possible contamination sources to m/z 271
I can't get rid of the interfernce peak at this transition

Posted: **Wed May 14, 2008 11:54 pm**

It's a long shot but maybe it is tetrachlorobiphenyl contamination...

Posted: **Thu May 15, 2008 9:32 pm**

Do you silanize your samples or otherwise derivatize them?

Best regards.

Posted: **Fri May 16, 2008 5:25 pm**

No idont silanize or do dervetization, just i extrct my samples using tertbutylmethylether to extract the analyte from plasma matrix

Contamination