4-Methyl-2-pentanone, 100µg/mL in MeOH, 1ml

2,3,3',4,4'-Pentachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 32598-14-4

Metazachlor ESA sodium salt, 10mg

2-Aminonaphthalene,100 µg/mL,acetonitrile,1mL,