TFA; Trifluoroacetic acid, 99,9%, 250g Back Catalog number: 2121-3-02:250G Availability: In the manufacturer's stock Price on request - + Recommended 92491 Methyl-t-butyl ether Price on request 680442 alpha-HCH, 100 µg/ml, Methanol, 1ml Price on request 79079 EPA Method 8330 Analyte Price on request