Mixed Calibration Standard 1 Back Catalog number: 53335 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 22005 Acid Surrogate Standard Price on request 681499 Doxycycline hyclate, 100 µg/ml, Methanol, 1ml Price on request 8226.6-100 Desmetryne, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 1014-69-3 Price on request