TCDD Isomers on the SP-2331

Application Note 113 Rapid Separation of 2,3,7,8-TCDD from Other TCDD Isomers Partially crosslinked SP-2331 fused silica capillary columns are more stable than the nonbonded SP-2330 phases specified in US EPA methodology for separating TCDD isomers. SP-2331 columns are slightly more…

Dioxin & PCB Analysis Dibenzo-p-dioxins, Dibenzofurans, Polychlorinated Biphenyls Sample Clean up GC Analysis Air Monitoring Resins Solvents 2 Introduction Introduction Figure 1. Dioxin / Furan skeletal structure, can be chlorinated at any of the suitable positions on the aromatic ring…

Bulletin 775E USEPA Procedures for Wastewater Analyses by Packed Column GC and HPLC This bulletin outlines the United States Environmental Protection Agency’s procedures for analyzing 113 organic priority pollutants in wastewater. The chromatographic column or column packing listed by the…

Application Note Environmental, Food Testing and Agriculture Tetra- Through Octa-Chlorinated Dioxins and Furans Analysis in Water by Isotope Dilution GC/MS/MS Authors Hui Lin, Jessica Betz, Jim Dunn, Greg Martin, and David Somerville The DOW Chemical Company Midland, MI, USA Diana…