Method 616 Standard Back Catalog number: 19200 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MFHEA 2-Perfluorohexyl (13C2)ethanoic acid (13C2-6:2 FTCA), 50µg/ml in Isopropanol, 1,2ml Price on request 673564 Endosulfan-sulfate, 100 µg/ml, Ethyl acetate, 5m Price on request 674330 Pentachloroaniline, 100mg Price on request