D3-2,4-D, 100 µg/ml, Acetone, 1ml Back Catalog number: 677199 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 19130 EPA Method 507 - Performance Check Solution Price on request 50462 Copper AA Standard (Cu) Price on request 72173 L-Glutamic acid Price on request