Chlorobenzilate, 100 µg/ml, Acetonitrile, 1ml

3,3'-Dimethylbenzidine, 100mg

EN 15721 Internal Standard Stock Solution, procedure A 1382.2 Ethanol 8mL Pentanol-3 80µL (Gives a concentration of approx. 8mg/mL)

Desmetryn, 100 µg/ml, Toluene, 5ml