Atrazine D5, 100 µg/mL in Acetone, 1ml

Perfluoroundecanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 2050-94-8

ISO 8165-2 Internal Control Stock Solution 2 S-4356 2,5-Dibromophenol [28165-52-8] 2470,6, 10 µg/mL in methanol, 5ml

Napropamide, 100µg/ml in Acetonitrile, 1ml