Pentachlorphenol-13C6, 100µg/ml in MeOH, 1ml

Mass-Labelled PCDD/PCDF Solution/Mixture, 1.2ml, nonane

Mono-n-heptyltin trichloride, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 59344-47-7

Tetrabromo[13C6]phthalic anhydride, 1.2ml x 50ug/ml, toluene