Mixed Calibration Kit Back Catalog number: 53052 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675651 Pyridalyl, 100 µg/ml, Ethyl acetate, 5ml Price on request 11739.12-100-IO 2,2',3,4,4',6-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 675753 Difenacoum, 10 µg/ml, Acetonitrile, 10ml Price on request