BTEX - Mix 6, 1000µg/ml in MeOH, 5ml

2,2',3,4',5,5',6-Heptachloro-4-biphenylol, 1.2ml x 50ug/ml, nonane

2-Chlorophenol, 100 µg/ml, Acetonitrile, 5ml

Carbamazepine, 100µg/ml in Acetonitrile, 1ml