Selenium (Se) Back Catalog number: 57234 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71612 1-Undecene Price on request S-4142-2-10IO 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 S-4492-ASS-5HP EN 12916 System Calibration Standards 2 (SCS2) 2 Analytes, each concentration as listed in n-heptane; units: 1x5mL or 5x5mL 3416 FAME (5.12) as Linoleic acid methyl ester (3268.19) 0.4g/100mL 0212.18 Chrysene (5.11) 0.04g/100 Price on request