Method 1640Mix A Back Catalog number: 53146 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59085 Minerals Standard #3 Price on request 679466 alpha-Endosulfan, 100 µg/ml, Methanol, 1ml Price on request APFNOBS Sodium p-perfluorous nonenoxybenzenesulfonate, 50µg/ml in MeOH, 1,2ml Price on request