PAH Standard Back Catalog number: 98536 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended X9231 Heptenophos Price on request 675246 Picolinafen, 100 µg/ml, Acetonitrile, 5ml Price on request 673734 Atrazine, 10.0 µg/ml, Ethyl acetate, 10ml Price on request