Custom Calibration Standard Back Catalog number: 59418 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 13800-0049-1000IO 1,2-Cyclohexanedicarboxylicaciddiisononylester, 1000µg/ml in IO, 5ml Price on request 672951 Colistin sulfate, 100mg Price on request 71241 9,10-Diphenylanthracene Price on request