Arsenic (As) Back Catalog number: 50194 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79861 Clopyralid (Lontrel), 1000µg/ml in Acetonitrile, 1ml Price on request 2896.27-K-IO Tri-(3-phenyl)-1-propylamine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 408309-07-9 Price on request 72552 1,2,4-Trimethyl-5-nitrobenzene Price on request