MA - EPH Matrix Spike Back Catalog number: 92113 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11772.12-100-IO 2,2',3,3',5,5',6,6'-Octachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 673950 Tioconazole, 250mg Price on request 43012 4-Fluoroaniline Price on request