Dioxabenzofos, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 683832 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended NK-IS-J4 Internal Standard Solution, 1.2ml, nonane Price on request 55130 CWA Nitrate & Nitrite Price on request 79165 Dieldrin Price on request