tert-Butylhydroquinone, 250mg

Perdeuterated Internal Standard – PAH Mixture 9 1524,12 Acenaphthene-d10 [15067-26-2] 0389,14 Phenanthrene-d10 [1517-22-2] 1337,16 Fluoranthene-d10 [93951-69-0] 1087,18 Benzo[a]anthracene-d12 [1718-53-2] 1088,20 Benzo[a]pyrene-d

2,2’,3,3’,4,4’-Hexachlorobiphenyl (128)

Pesticides - Mix 18, 10 µg/ml in Cyclohexan, 10ml