Calibration Standard Mix 1 Back Catalog number: 53033 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676761 Ethoxysulfuron, 100 µg/ml, Acetonitrile, 1ml Price on request DD-1478-S 1,4,7,8-Tetrachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane Price on request 684285 D4-Diethyl phthalate, 10mg Price on request