Methabenzthiazuron, 100µg/ml in Acetonitrile, 5ml

PAH Calibration solution CS4, in IO/TO, 1ml

Benzoin, 100 µg/ml, Acetonitrile, 5ml

4-n-Nonylphenol D8 (ring D4-ethylD4), 100 ng/µl, 1.1ml