Ethoxyquin, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 678402 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-I Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 683673 Atropine, 100 µg/ml, Acetonitrile, 1ml Price on request 675571 Famphur, 10.0 µg/ml, Acetonitrile, 10ml Price on request