Erbium (Er) Back Catalog number: 57068 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9757.20-10MG n-Pentyl benzyl phthalate, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1240-18-2 Price on request 1048.25-K-IO n-Nonadecylcyclohexane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 22349-03-7 Price on request 0305.17-200-T 4-Methylpyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 3353-12-6 Price on request