Ethoxysulfuron, 100 µg/ml, Acetonitrile, 1ml

EN 15721 Internal Standard Stock Solution, procedure A 1382.2 Ethanol 8mL Pentanol-3 80µL (Gives a concentration of approx. 8mg/mL)

C26 Triaromatic sterane, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 80382-29-2

1,2,4,6-Tetrachloronaphthalene, 1.2mL x 50ug/mL, nonane