WS Amp 2 Trace Elements Back Catalog number: 52128 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3125.19-100-IO Benzyl-n-butyl phthalate-d4, 100µg/ml in IO, 1ml Price on request B2729 4,4'-Bis(2-benzoxazolyl)stilbene, >97%, 25g Price on request 3722.18-K-ME Dodecylbenzenesulfonic acid, mixture of linear C10-13, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 27176-87-0 Price on request