Urea Back Catalog number: 93626 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DS-1000 Mass-Labelled PCDD Solution/Mixture, 1.2ml, nonane Price on request XA16085500CY Phorate-oxon-sulfone, 100µg/mL in Cyclohexane, 1ml Price on request 56073 Tantalum (Ta) Price on request