QC Check Sample Back Catalog number: 59250 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682762 Octanoic acid, 1000mg Price on request PCB-CVS-H Calibration Kit for HRGC/HRMS Analysis of PCBs, in Nonane, 6 x 200µl Price on request 63060 2,3,4,4'-Tetrachlorobiphenyl (60) Price on request