Arsenic (As) Back Catalog number: 59565 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66017 2,2',4-Trichlorobiphenyl (17) Price on request 2828.16-50-ME Perfluorohexadecanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 67905-19-5 Price on request P-965S-CN Prothioconazole, 100µg/ml in Acetonitrile, 1ml Price on request