WS Trace Elements #1 Back Catalog number: 55012 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended A2855 2-Acetamido-5-nitropyridine, >98%, 5g Price on request EPA-8280MSS Matrix Spiking Solution, 1.2ml, nonane Price on request 11740.12-100-IO 2,2',3,4,4',6'-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request