in-line filter for LC-MS

[ChristineRG]

I was wondering if anyone could tell me when to use an in-line filter on a LC-MS? Isn't this the purpose of a guard column?

[zokitano]

in-line filters and guard columns are different terms and parts

For more information search the forum. For example see:
http://www.sepsci.com/chromforum/viewto ... ine+filter

regards