Selenium (Se) Back Catalog number: 56134 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1348.20-10MG Benzo[b]fluoranthene-d12, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 93951-98-5 Price on request 3071.11-100-IO 5-Methyl-1-naphthol, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 51149-87-2 Price on request S-4141-KIT-8X10ML Nitrogen Calibration Set-High Boiling Solvents Units: 1x1mL ampoules or 10mL screw-capped bottle Nitrogen introduced using Carbazole Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4141-0 Blank S-4141-03 Price on request