PSA-GCB-Mix for 2007.01 per AOAC Back Catalog number: 674523 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 10376.21-100MG DL-Methadone-d9 hydrochloride Price on request 685284 PAH-Mix 4 deuterated, 10µg/ml in Acetonitrile, 1ml Price on request 1554.25-K-IOX10 n-Pentacosane-d52, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 121578-13-0 Price on request