Calibration Standard Mix 5 Back Catalog number: 52047 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9315.3-50-ME Atrazine-desethyl-desisopropyl, 50µg/mL in MeOH, 1ml Price on request 1131.11-K-ME n-Undecane Price on request 675608 Flumetralin, 10 µg/ml, Ethyl acetate, 10ml Price on request