Sodium Carbonate Back Catalog number: 54527 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4523-10-10T Deuterated Internal Standard - PAH Mixture 9 10µg/mL each in toluene, 10x1mL in ampoulles Benzo[a]pyrene-d12 Indenopyrene[1,2,3-cd]pyrene-d12 Price on request DF-SS-A20 Mass-Labelled PCDD Sampling Spike Solution, 1.2ml x 20ng/ml, nonane Price on request 70123 4,4’-Dibromooctafluorobiphenyl Price on request