Nitrogen Set for ASTM D6366: N@Blank, 0.1, 0.5, 1.0, 2.5, 5.0, 10ng/μL in p- Xylene, set(7) Back Catalog number: VHG-NCED-SET1B Availability: In the manufacturer's stock Price on request - + Recommended 2467.6-K-IP 2,6-Dichloro-4-nitrophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 618-80-4 Price on request 9665.17-10MG 2,5,8-trimethyl-1-butyltetraline, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. Price on request 2777.10-100-AN Heptachlor-endo-epoxide (trans-) Price on request