PCB No. 50, 100µg/ml in Isooctane, 1ml Back Catalog number: 66050 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 683391 4-Methylbenzophenone, 1000mg Price on request 673973 4-Nitrophenol, 10.0 µg/ml, Acetonitrile, 10ml Price on request 94185 8270 Semi-Volatile Standard Price on request