A Complete Solution for the Analysis of Volatile Organic Compounds (VOCs) in Water_2019.1 [AN015]
INTRODUCTION: Demand for lower detection limits of volatile organic compounds in drinking water requires the use of a mixed mode GC-MS system. The ability for simultaneous full scan and selection ion monitoring (SIM) is vital for low-level quantitation. The United State Environmental Protection Agency (US EPA) 524.3 method details the analytical method for the measurement of purgeable organic compounds in water by capillary gas chromatography with mass spectrometry. The SCION Single Quad (SQ) mass spectrometer has a unique feature, Compound Based Scanning (CBS), for easy automated setup and optimisation of complex mixed mode methods. CBS makes use of libraries that store all the essential information about a compound such as retention time, time window, qualifier and quantifier ions. Compounds are loaded directly into a method, scan times are optimised with data acquisition and processing tables synchronised. Managing large number of SIM acquisitions is made easy in mixed mode.