Ethyl acetate, 20mg/mL in MeOH, 1ml

1,2,8,9-Tetrachlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL,

ISO 9377-2MOD Extraction Solvent Stock Solution I 20ul of n-Heptane and 20mg of n-Tetracontane solved in 1000ml n-Pentane

Benzo[a]fluoren-11-one, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 479-79-8