1,2-Dimethylnaphthalene, certified, 50mg Back Catalog number: C20750000 Availability: In the manufacturer's stock Price on request - + Recommended 2722.16-K-IO 2-Isopropylthioxanthone, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 5495-84-1 Price on request 1178.14-K-IO 9,10-Anthraquinone, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 84-65-1 Price on request S-4140-1-10IO Nitrogen Calibration Set-Low Boiling Solvents Units: 1x1mL ampoules or 10mL screw-capped bottle Nitrogen introduced using Pyridine Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4140-0 Blank S-4140-03 0.3 Price on request