Method 1640 Tuning Standard Back Catalog number: 53147 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 90416 Total Petroleum Hydrocarbons - 418.1 Price on request XA15200000AL Metribuzin, 100µg/mL in Acetonitrile, 1ml Price on request APFNOBS Sodium p-perfluorous nonenoxybenzenesulfonate, 50µg/ml in MeOH, 1,2ml Price on request