Oyster Tissue (Trace elements,methyl mercury), 25g Back Catalog number: NIST-1566B Availability: In the manufacturer's stock Price on request - + Recommended 8:2FTS Sodium 1H,1H,2H,2H-perfluorodecane sulfonate (8:2), 50µg/ml in MeOH, 1,2ml Price on request 8425.18-K-IO Diisopentyl phthalate (diisoamyl phthalate), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 605-50-5 Price on request 672984 Betamethasone-17,21-dipropionate, 250mg Price on request