Calibration Standards Set Back Catalog number: 52016 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680942 Oxytetracycline hydrochloride, 10 µg/ml, Methanol Price on request 682791 beta-Pinene, 250mg Price on request 73458 1,2-Dihydronaphthalene Price on request