Mass-Labelled PCB Recovery Standard, 1.2ml, nonane

n-Tetracosane, ?13C: -26.42, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 646-31-1

1,1-Dichloro-2,2-bis(4-chlorophenyl)ethene, 1.2mL x 100ug/mL, nonane

2,6-Naphthalenedicarboxylic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 1141-38-4