Citric acid [2% wt] Back Catalog number: 92269 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1994.10-50-IO 2-Chloronaphthalene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 91-58-7 Price on request S-4143-1-10B Low level Nitrogen & Sulfur Calibration Set Units: 1x1mL ampoules or 10mL screwcapped bottle Nitrogen introduced using Aniline / Sulfur introduced using di-n-Butyl Sulfide Catalogue No. Concentration Matrix: Benzene mg/kg (ppm) S-4143-0 Price on request 9529.19-K-ME Paroxetine hydrochloride hemihydrate, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 61869-08-7 Price on request