Nitrosamines are a class of semi-volatile organic chemical compounds characterized by a nitroso group attached to an amine group. In this tech note we describe a method for automating US EPA Method 521 using the Gilson ASPEC® 274 Large Volume System
Per- and poly-fluoroalkyl substances (PFAs), sometimes referred to as perfluorinated compounds, are a family of molecules consisting of varying lengths of fluorocarbon chains with a functional group such as carboxylic or sulfonic acid attached. This application note describes the automation of the isolation of 10 PFAs from tap water prior to their analysis by LC/MS.
