Cations Std. Level 1 Back Catalog number: 59906 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59865 Anions Mix #2 Price on request D9-N-ETFOSE-M 2-(N-ethyl-d5-perfluoro-1-octanesulfonamido)ethan-d4-ol, 50µg/ml in MeOH, 1,2ml Price on request 79292 4,4’-DDT Price on request