Dichlorvos, 10.0 µg/ml, Ethyl acetate, 10ml

4,4´-Diamino-3,3´-dimethyldiphenyl methane, certified, 0.1g

2,3-Dichloronitrobenzene

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 ethyl acetate