Calibration Standard Mix 4 Back Catalog number: 53036 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 14641.9-K-ME 4-Hydroxyamphetamine HCl, 1000µg/ml in MeOH, 1ml Price on request 13400-3530-100ME5 2,3,5,6-Tetrachlorophenol, 100µg/ml in MeOH, 5ml Price on request 94436 Naphthalene Price on request