Trifluoroacetic acid sodium salt, 100mg Back Catalog number: 691958 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended EN-1948ES Extraction Standard Solution, in nonane/3.2% toluene, 1,2ml Price on request 673956 gamma-HCH, 10.0 µg/ml, Cyclohexane, 10ml Price on request 55144 CWA Minerals #1 Price on request