WS Amp 2 Trace Elements Back Catalog number: 52128 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 25015 Base/Neutral & Acid Surrogate Standard Price on request 677351 Naphthalene, 10 µg/ml, Cyclohexane, 10ml Price on request 3214.18-K-IO 11-trans-Octadecenoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 693-72-1 Price on request