QC-21 - ICP Optical Back Catalog number: 50282 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended N650432 4-Nonyl Phenol-13C6, 1mg Price on request 11688.12-100-IO 2,2',4,5-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 675469 Triflumizole Metabolite FM-6-1, 10.0 µg/ml, Aceto Price on request