L-PFOSK with branched isomers, 50µg/ml in MeOH, 1,2ml Back Catalog number: BR-PFOSK Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended S-4471-20-NN Precition and Recovery (PAR) Standard Solution Dioxin-like PCBs each in 20ng/mL solution in n-nonane; unit: 1x1mL Chiron No. Dioxin-like PCBs PCB No. CAS No. 2006.12 3,3’4,4’-TetraCB PCB-77 [32598-13-3] 2007.12 3,4,4’,5-TetraCB PCB-81 [703 Price on request 9124.12-50-IO 2-Bromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 7025-06-1 Price on request 688571 Irganox 1330, 250mg Price on request