Calibration Standard Set Back Catalog number: 53042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675427 Diclofop free acid, 100mg Price on request C11668500 Ciprofloxacin hydrochloride, certified, 0.1g Price on request 678010 Terbufos-sulfoxide, 100 µg/ml, Toluene, 1ml Price on request