Calibration Standard Mix 5 Back Catalog number: 53047 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 93790 Purgeable Halocarbons Price on request DD-123467-S 1,2,3,4,6,7-Hexachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane Price on request PN-48S 2,3,6,7-Tetrachloronaphthalene, 1.2ml x 50ug/ml, nonane Price on request