Phthalic acid, bis-methylglycol ester, certified, 0.25g

2-Perfluorobutyl-[1,1,2,2-2H4]-ethanol (4:2), 50µg/ml in MeOH, 1,2ml

Toxaphene Parlar-No. 62, 1µg/mL in Cyclohexane, 1ml

Ipconazole, 100µg/ml in Acetonitrile, 5ml