Internal Standard ICP-MS (200.8) Back Catalog number: 59143 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673694 Quinoxyfen, 100 µg/ml, Ethyl acetate, 5ml Price on request DF-2378-S 2,3,7,8-Tetrachlorodibenzofuran , 1.2ml x 50ug/ml, nonane Price on request 59978 ICP Mix Price on request