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 677071 Imidacloprid guanidine hydrochloride, 10 µg/ml, M Price on request L12980000CY Disulfoton, 10µg/mL in Cyclohexane, 10ml Price on request 70970 n-Heptadecane Price on request