Tri-n-butyl phosphate-d27, 1.2ml x 50ug/ml, toluene Back Catalog number: DTBP Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 2192.8-50-ME Perfluoro-4-ethylcyclohexane sulfonic acid, potassium salt, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 335-24-0 Price on request 677616 Chlordecone (Kepone), 10.0 µg/ml, Ethyl acetate, Price on request 3627.15-25-AN U{13C15}-Deoxynivalenol, 25µg/ml in Acetonitrile, 1,2ml Price on request