2-Pyrrolidinone, 1000mg Back Catalog number: 682440 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended WMS-01 Reference Lake Sediment for Organic Contaminant Analysis, 10g, N/A Price on request 675120 Quinoclamine, 100 µg/ml, Acetonitrile, 5ml Price on request 675496 Mix 34, 10 µg/ml, Methanol, 10ml Price on request