Nitrate & Nitrite as N Back Catalog number: 54162 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0801.11-K-IO 1-Methyladamantane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 768-91-2 Price on request 3832.6.KIT ISO 7981-2 Single substance Kit, 10µg/mL, Solvent-acetonitrile, Unit 6x1mL, # of units-, Cas.no. Price on request 2888.30-50-IO 17 alpha(H),21 alpha(H)-Hopane, 50µg/mL in Isooctane, 1ml Price on request