Mass-Labelled PCDF/PCB Syringe Spike, 1.2ml, nonane Back Catalog number: DFP-IS-A Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 81501 2,4-D methyl ester Price on request 676746 Sodium perchlorate monohydrate, 250mg Price on request XA14283710AC Imidacloprid D4, 100μg/ml in Acetone, 1ml Price on request