Calibration Standard Mix 4 Back Catalog number: 52036 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679748 Erythromycin, 100 µg/ml, Methanol, 5ml Price on request S-4162-10MLX5 Daily Quality Control Standard (without Internal Standard) 13 Analytes, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name: Wt. % Name Wt. % 1232.6 n-Hexane Price on request 10976.6-K-AN o-Toluidine-d9,1000 µg/mL,acetonitrile,1mL, Price on request