Benzthiazuron, 100 µg/ml, Methanol, 1ml

Celecoxib,neat,neat,10mg,

Mass-Labelled PCDD/PCB Sampling Spike, 1.2ml, nonane

Sodium perfluoro-1-[2,3,4-13C3]butanesulfonate, 50µg/ml in MeOH, 1,2ml