Benzo(a)pyrene-d12 Back Catalog number: 71739 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended PN-5S 1,4-Dichloronaphthalene, 1.2mL x 50ug/mL, nonane Price on request S-4142-10-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 12130.12-100-AC Carbetamide-d5 (phenyl-d5),100 µg/mL,acetone,1mL, Price on request