1,3,4,7,9-Pentachlorodibenzofuran, 1.2ml x 50ug/ml, nonane

Stigmasterol, 100µg/mL, Solvent-n-hexane, Unit 1mL, # of units-1, Cas.no. 83-48-7

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

(-)-Captopril,100 µg/mL,MeOH,1mL,