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This study explores the impact of TriMax deactivation on the GC-MS/MS analysis of semivolatiles by EPA Method 8270E. The performance of four commonly used analytical columns was compared using peak asymmetry, calibration linearity, recovery, and repeatability tests across a wide range of compound chemistries. Results show that RMX-5Sil MS columns, built with TriMax deactivation technology, have a significantly more inert surface that meets performance criteria across acidic, basic, and neutral semivolatiles whereas other columns met criteria only for certain classes of compounds. Competitive performance across a wide range of semivolatiles at low levels allows labs to streamline operations through microextraction sample preparation (e.g., EPA Method 3511) or method consolidation.

 

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