Dibenzo(a,h)anthracene D14, 10mg

Rufinamide-15N,d2, 1mg

1,2,7,8-Tetrachloro[13C12]dibenzofuran, 1.2ml x 1ug/ml, nonane

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