PCB 28, 10.0 µg/ml, Isooctane, 10ml Back Catalog number: 680572 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 56064 Gadolinium (Gd) Price on request 678984 Atrazine-2-hydroxy, 100 µg/ml, Methanol, 1ml Price on request 676896 D6-Chlorotoluron, 100 µg/ml, Acetone, 1ml Price on request