WS Amp 2 Trace Elements Back Catalog number: 52128 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended FRS-022S Tetrachlorobisphenol A, 100µg/ml in Toluene, 1ml Price on request MPN-54 1,2,3,6,7-Pentachloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane Price on request 8581.6-50-ME Perfluorohexane sulfonic acid, potassium salt, 50ug/ml, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 3871-99-6 Price on request