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What is Methylated PAHs in River Sediment Analysis about?

This document summarizes a study that used two-dimensional gas chromatography/mass spectrometry to identify and quantify methylated polycyclic aromatic hydrocarbons (PAHs) in sediment. The study found that relative response factors for 23 methylated PAHs with the same molecular weight of 242 ranged greatly, from 0.1 to 1.7. Quantifying these compounds as a group using the same response factor could overestimate or underestimate concentrations and toxic risk. The study developed a 2D gas chromatography metho

Author

Sonia Fernández Prados

Language

EN