Uploaded April 2017 | Updated September 2026, 1 week ago
Help needed! I have ~20L of a liquid containing iodine, but what else is in there? I run some basic tests and show you how uncertain I am of things, hit me with your best theories/conspiracies of what's in there, or give ideas of future tests to run. NMR of sample in dmso: imgur.com/ESmU8et
Help needed! I have ~20L of a liquid containing iodine, but what else is in there? I run some basic tests and show you how uncertain I am of things, hit me with your best theories/conspiracies of what's in there, or give ideas of future tests to run. NMR of sample in dmso: imgur.com/ESmU8et
![Changing My Poor Vacuum Pumps Oil [[gone greasy]]](https://i.ytimg.com/vi/e9BvrqCnOgQ/mqdefault.jpg "Changing My Poor Vacuum Pumps Oil [[gone greasy]]
Im a slob chemist, and have never changed my vacuum pump oil. So, in this video I treat my vintage 1950s workhorse to some low vapour pressure love and care.
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