PAH Standard Back Catalog number: 94591 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679881 4,4'-Diaminodiphenylmethane, 100 µg/ml, Acetonitr Price on request 93977 PAH Standard, 100µg/ml in Acetonitrile, 1ml Price on request 683096 Sebuthylazin-desethyl, 100 µg/ml, Acetonitrile, Price on request