ICP-MS Calibration Standard Back Catalog number: 59844 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9305. Dextropropoxyphene, , Solvent-, Unit , # of units-, Cas.no. Price on request 1839.9-1G 4-Ethylbenzoic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 619-64-7 Price on request 79407 Benzo(k)fluoranthene Price on request