WHO PCB Extraction Standard, 100pg/µl in nonane, 1,2ml

3-Methyltridecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 6418-41-3

Stearic acid butyl ester

GC-IRMS Standards (C15 (?13C: -30.22); C20 (?13C: -33.06); C25 (?13C: -28.21)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no.