TFA; Trifluoroacetic acid, 99,9%, 250g Back Catalog number: 2121-3-02:250G Availability: In the manufacturer's stock Price on request - + Recommended 2574.26-100UG Benzo[a]pentacene (in vial for quick-preparation of solution), neat, Solvent-neat, Unit ca. 100µg, # of units-1, Cas.no. 239-98-5 Price on request 0151.17-500-IO 4-n-Pentyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 147792-34-5 Price on request 3694.15-100-15G Myticus edulis, homogenized (Domoic acid),98 µg/g,hom. mussel,15g, Price on request