TFA; Trifluoroacetic acid, 99,9%, 250g Back Catalog number: 2121-3-02:250G Availability: In the manufacturer's stock Price on request - + Recommended 52313 Lanthanum Chloride Modifier (La) Price on request DF-IS-J Mass-Labelled PCDD Internal Standard Solution, 1.2ml, nonane Price on request 0267.24-200-T Dibenzo[a,e]fluoranthene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 5385-75-1 Price on request