4,4'-Dibromobenzophenone, 250mg Back Catalog number: 677207 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended NK-ST-B4 Native PCDD/PCDF Solution/Mixture, 1.2ml, nonane Price on request GS09000055AC Pesticide/PCB Surrogate, Mix, 200µg/ml in Acetone, 10 x 1ml Price on request 91875 EPA Method 8330Mix #1A Price on request