n-Butyl acetate, 1000µg/ml in MeOH, 1ml

UHT milk Lactose-reduced (sterilized), 100ml

Di-n-butyl sulfide as S

n-Perfluorooctanoic acid, ammonium salt, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 3825-26-1