COD Calibration Standard Back Catalog number: 50451 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11898.20-10MG Maprotiline hydrochloride,neat,neat,10mg, Price on request 682123 PCB 138, 10.0 µg/ml, Isooctane, 10ml Price on request 11748.12-100-IO 2,2',3,5,6,6'-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request