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 52037 Calibration Standard Mix 5 Price on request 50119 ICP Mix Price on request 1616.14-10MG 4-Methyldiphenylmethane, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 620-83-7 Price on request