1,3,5-Trichlorobenzene,neat,neat,250mg,

a,a’-Dibromo-m-xylene

Window Defining Mixture for DB5/BP5/HP2/Rtx-5/SPB-5, 1.2ml, nonane

Dioxin-like PCBs,WHO + ISO/DIS 17858 Chiron No. Compound PCB No. 2006.12 3,3´4,4´-Tetrachlorobiphenyl PCB-77 2007.12 3,4,4´,5-Tetrachlorobiphenyl PCB-81 2008.12 2,3,3´,4,4´-Pentachlorobiphenyl PCB-105 2009.12 2,3,4,4´,