4,4'-Dichlorobenzophenone, 250mg Back Catalog number: 673498 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 677155 Octyltin trichloride, 100mg Price on request 23013 EPA Method 8260 - Purgeable Internal Standard Price on request S-4394-ASS-NN S-4394 B[a]P/HCB Recovery Standard (solvent - Nonane) Product Concentration 2,3,3',5,5'-PeCB 100 µg/mL Price on request