Chlorogenic Acid Hydrate, >98%, 1g

Isoproturon, 100 µg/ml, Acetonitrile, 5ml

Chloridazon-methyl-desphenyl, 10 ng/µl, 10ml

ISO 8165-1 Internal Control Stock Solution 1 1 Internal standard, 1000µg/mL in acetone; unit: 1x5mL 2061.6 2,4-Dibromophenol [615-58-7]