Metals calibration standard Back Catalog number: 50094 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 57034 Selenium (Se) Price on request 79033 Fluoranthene Price on request 8569.16-10MG Ampicillin trihydrate, Comet assay grade, , Solvent-, Unit , # of units-, Cas.no. 7177-48-2 Price on request