Calibration Standard Mix 7 Back Catalog number: 53015 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DD-1234-S 1,2,3,4-Tetrachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane Price on request 32252 1,1,1-Trichloroacetone Price on request 90521 Phenyl ether Price on request