WS Amp 1 Trace Elements Back Catalog number: 52127 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 96587 Pseudoephedrine Price on request 1091.14-K-IO 4-Methylfluorene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1556-99-6 Price on request 2046.4-2K-20IO 1,2-Dimethoxyethane, Internal Standard in isooctane, ASTM, 2000µg/mL, Solvent-isooctane, Unit 20mL, # of units-1, Cas.no. 110-71-4 Price on request