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

N-Acetyl-S-(carbamoylethyl-d4)-L-cysteine , 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 81690-92-8 (unlabelled compound)

Camphechlor (Toxaphene), 100 µg/ml, Ethyl acetate

Ammonia as (NH4+)