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

Ketoprofen, 100 µg/ml, Methanol, 1ml

ß alpha alpha (20R,24R)-24-Ethylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 4705-29-7

ICP-MS Verification Standard #1