| ||
|---|---|---|
| 200 µ m | ||
| This is a reflected light micrograph of polished, carbon coated selenium. The identifying etched label, which is a feature of our standards, is invaluable for navigating in an electron beam instrument. Selenium is brittle and fractures during polishing, often breaking away at the edges of a grain, as in this case. Fortunately sufficient remains in the center. | ||
| Form: | pieces | |
| Purity: | 99.999% | |
| Source: | Alfa Aesar |
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