
The development of a column-switching technique based on on-line preconcentration and HRAM–MS to obtain fast and accurate results for the determination of algal toxins in drinking water is discussed.
Thermo Fisher Scientific, Inc.

The development of a column-switching technique based on on-line preconcentration and HRAM–MS to obtain fast and accurate results for the determination of algal toxins in drinking water is discussed.

In March 2007, several North American manufacturers of pet food voluntarily issued nationwide recall notices for some of their products that were reportedly associated with renal failure in pets. The raw material wheat gluten, used to manufacture the pet food, was imported from China and was identified as the source of contamination.

In March 2007, several North American manufacturers of pet food voluntarily issued nationwide recall notices for some of their products that were reportedly associated with renal failure in pets. The raw material wheat gluten, used to manufacture the pet food, was imported from China and was identified as the source of contamination.

In March 2007, several North American manufacturers of pet food voluntarily issued nationwide recall notices for some of their products that were reportedly associated with renal failure in pets. The raw material wheat gluten, used to manufacture the pet food, was imported from China and was identified as the source of contamination.


This application note describes an LC–MS–MS method for on-line sample preparation and concentration of drinking water samples prior to analysis using a triple quadrupole with full scan Q3 confirmation.

Published: July 2nd 2008 | Updated:

Published: September 2nd 2007 | Updated:

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Published: October 6th 2014 | Updated: