| Reference number | MS/929/1/192 |
| Level | Item |
| Title | Letter from Frederick Soddy, FRS, Chemical Laboratory, Glasgow University, to James Mackenzie Davidson |
| Date | 18 November 1911 |
| Description | Informs Mackenzie Davidson that radiothorium is the best source of thorium emanation. Notes that he gets his specimens from Dr. Knofler, who obtains it from mesothorium, leaving it months or years to produce radiothorium and then separating from it. Further notes that for maximum emanation potential Mackenzie Davidson should specify that the radiothorium be supplied in the form of the moist hydroxide. |
| Extent | 4 sides |
| Format | Manuscript |
| Access status | Open |
Fellows associated with this archive
| Code | Name | Dates |
| NA8018 | Soddy; Frederick (1877 - 1956) | 1877 - 1956 |