| Composition | Erbium 99.9% / Erbium Sublimed 99.99% |
| Common metallic impurities | Trace metals basis |
| Physical Description | Silvery white, Approx 25mm maximum piece size/Cut cathode, < 30 x 30 x 7 mm / A free flowing powder |
| Analytics | ICP-OES |
| Certificate of analysis | Available upon request |
| Packaging | Packed in sealed polythene bags and supplied in securely sealed metal drums, resistant to the impregnation of water |