Spiking Standard 3 Back Catalog number: 52066 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 685688 Acetone-2,4-DNPH, 1000μg/ml in Acetonitrile, 5ml Price on request 81501 2,4-D methyl ester Price on request 10280.10-100-MT Chlordecone Price on request