WS Anions Back Catalog number: 55011 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2927.12-100-AN Diazinon-d10 (diethyl-d10),100 µg/mL,acetonitrile,1mL, Price on request 73518 Atrazine-desisopropyl-2-hydroxy Price on request 54235 Selenium (IV) Selenite, 1000µg/ml in Water, 100ml Price on request