Tetrachloro-m-xylene Internal Standard Back Catalog number: 98096 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8912.14 4-Methyl-2,2',5,5'-tetrachlorodiphenylmethane, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. Price on request 674714 PSA-C18-Mix 1 Price on request DF-IS-G Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request