Mass-Labelled PCDD/PCDF Solution/Mixture, 1.2ml, nonane Back Catalog number: DF-LCS-C Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 2821.7-50-ME n-Perfluoroheptanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 375-85-9 Price on request 2007.12-5MG 3,4,4',5-Tetrachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 70362-50-4 Price on request EPA-8280MSS Matrix Spiking Solution, 1.2ml, nonane Price on request