Ammonium (NH4+) Back Catalog number: 54533 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0330.14-K-IO n-Octylbenzene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2189-60-8 Price on request 70145 1,3-Dichloropropane Price on request S-4678-500-10T Perdeuterated Internal Standard - PAH-Mixture 36 7 Analytes, each 500 µg /mL in toluene; 1x10mL Compounds Window 0978.10 Naphthalene-d8 1 [1146-65-2] 1086.12 Biphenyl-d10 2 [1486-0 Price on request