Calion Internal Standard Back Catalog number: 50804 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677856 Flupyradifurone, 100 µg/ml, Acetonitrile, 1ml Price on request 93466 EPA Method 8330 Analytes Price on request 677594 4-tert-Octylphenol-di-ethoxylate, 100 µg/ml, Acet Price on request