PSA-GCB-Mix 4 Back Catalog number: 674996 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 53033 Calibration Standard Mix 1 Price on request L20950001CY PAH-Mix 1, in Cyclohexane, 10ml Price on request 3386.9-100 2,4-D methyl ester, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 1928-38-7 Price on request