Mass-Labelled PCB Solution, 1.2ml x 20ng/ml, nonane Back Catalog number: PCB-IS-A20 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 678471 Bis(2-ethylhexyl) phthalate, 100 µg/ml, Acetone, Price on request 8465.2-100-ME Metam-sodium hydrate Price on request 74085 Guanylurea, 1000µg/ml in Water, 1ml Price on request