Calibration Standard Set Back Catalog number: 52032 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674872 Azithromycin dihydrate, 50mg Price on request C14895050 Meptyldinocap-phenol, 100mg Price on request 72978 Fipronil sulfone, 1000µg/ml in Acetonitrile, 1ml Price on request