Nitrogen Set for ASTM D6366: N @ 10, 25, 50, 75, 100 ng/μL in Isooctane, set(2) Back Catalog number: VHG-NCED-SET2 Availability: In the manufacturer's stock Price on request - + Recommended 8510.19-K-IO 1,1,1,3,17,19,19,19-Octachlorononadecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 95219 Organochlorine Pesticides Price on request MDHCH d-1,2,3,4,5,6-Hexachloro(13C6)cyclohexane, 1.2mL x 100ug/mL, nonane Price on request