PAH Standard Back Catalog number: 91531 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 4H107 2,3,3',4',5-Pentachloro-4-biphenylol, 1.2ml x 50ug/ml, nonane Price on request P297802 3-Phenoxybenzaldehyde-d5, 2,5mg Price on request 59516 Hexavalent Chromium (Cr 6+) Price on request