Edifenphos, 10 µg/ml, Acetonitrile, 10ml Back Catalog number: 677904 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 20003 EPA Method 8240A/1666 - Purgeable Internal Std Price on request 682265 2,3,5,6-Tetrabromo-p-xylene, 50mg Price on request 78007 2,3,5,6-Tetrachloroterephthalic acid Price on request