Mixed Calibration Standard 1 Back Catalog number: 53053 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-1349-S 1,3,4,9-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 679330 Ethyl benzoylformate, 250mg Price on request 0329.16-K-TX10 Pyrene-d10, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 1718-52-1 Price on request