Erbium Oxide (Er2O3) Back Catalog number: IN155 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 91206 EPA Method 8310 Surrogates, 50µg/ml in MeChl, 1ml Price on request 0418.15-150-CYX10 n-Pentadecane, ?13C: -30.22, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 629-62-9 Price on request 10520.10-K-AN (±)-Nicotine-2,4,5,6-d4 (pyridine-d4),1000 µg/mL,acetonitrile,1mL, Price on request