Mixed Calibration Standard 2 Back Catalog number: 53336 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681070 Ketoprofen, 100 µg/ml, Methanol, 1ml Price on request 71812 n-Butyl glycidyl ether Price on request 70514 n-Hexadecane, 1000µg/mL in methylene chloride, 1ml Price on request