Mass-Labelled PCB Syringe Spike Solution, 1.2ml, nonane Back Catalog number: PCB-IS-C Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 1866.8-K-CY trans-1,4-Dimethylcyclohexane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 2207-04-7 Price on request 71883 4-Methyl-2-heptanone Price on request EC-4060 13C LABELED PCB MIXTURE PCBS-77/101/141/178 10UG/ML IN NONANE Price on request