Erbium (Er) Back Catalog number: 58068 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended M324685 1-Methyl-4-nitro-5-thioimidazole, 1g Price on request 679447 Heptachlor, 100 µg/ml, Methanol, 1ml Price on request 12097.7-K-IO 2,3,4,5,6-Pentachlorotoluene,1000 µg/mL,isooctane,1mL, Price on request