Acetonitrile-1,2-13C2,2000 µg/mL,MeOH,1mL,

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

Lenacil, 100 µg/ml, Acetonitrile, 1ml

Chrysene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 1719-03-5