Urban dust - Organic contaminants, 2g Back Catalog number: NIST-1649B Availability: In the manufacturer's stock Price on request - + Recommended 3372.9-100 Dichlofluanid, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 1085-98-9 Price on request 96495 Hydromorphone-D3 Price on request 55300 pH @ 25°C Price on request