4-Ethylcatechol, 100 µg/ml, Methanol, 10ml

Perdeuterated Internal Standard PAH-mixture 24 1336,12 Acenaphthylene-d8 [93951-97-4] 1024,18 Chrysene-d12 [1719-03-5] 1531,22 Indeno[1,2,3-cd]pyrene-d12 [-] Concentration.: 2µg/ml in Toluene

D6-Dicamba-methyl ester, 100 µg/ml, Acetone, 1ml

7H-Perfluoroheptanoic acid, 50µg/ml in MeOH, 1ml