Iohexol, 100 µg/ml in Acetonitrile, 5ml

Meloxicam, certified, 0.1g

2,3,3',4,4',5-Hexachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 38380-08-4

2,2',3,3',5,5',6-Heptachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane