Revised Spiking Standard #2 Back Catalog number: 59903 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 96545 d,l-Methadone Price on request 73601 Tetracycline Price on request S-4405-100-DB Deuterated EPA PAH-mix in deuterated benzene, See S-solutions pricelist, Solvent-, Unit , # of units-, Cas.no. Price on request