Nitrate (NO3-) as N Back Catalog number: 50448 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1334.5-1ML 2-Methyltetrahydrothiophene, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 1795-09-1 Price on request 675549 Chloropropylate, 10.0 µg/ml, Acetonitrile, 10ml Price on request 2326.12-K-IOX10 Arochlor 5460 , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 11126-42-4 Price on request