Ferrous Iron (Fe) Back Catalog number: 50641 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679830 3-(Methylphosphinico)propionic acid, 100 µg/ml, W Price on request 0423.20-150-CYX5 n-Eicosane, ?13C: -33.06, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 112-95-8 Price on request S-4142-2-IO Low level Nitrogen Calibration Units: 1x1mL ampoules or 10mL screwcapped bottle Nitrogen introduced using Aniline Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4142-0 Blank S-4142-05 0.5 S-4142-1 Price on request