Levonorgestrel, 100µg/mL in Acetonitrile, 1ml

2,3,5-Trimethylphenol, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 697-82-5

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

3-Phenanthrol-d9, 1mg