PAH Standard Back Catalog number: 97797 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676804 Chlorothalonil-4-hydroxy, 10.0 µg/ml, Acetonitril Price on request 679464 Atrazine, 100 µg/ml, Methanol, 1ml Price on request 58129 Copper (Cu) Price on request