Metals Mix 4 Calibration & AQC Mixes Back Catalog number: 59650 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677486 2,3,4,6-Tetrachlorophenol, 50mg Price on request CLM-351-1.2 Hexachlorobenzene (13C6, 99%), 100µg/ml in Nonane, 1,2ml Price on request DF-IS-D40 Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane Price on request