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DIY mass spectrometer measures potassium in dietary salt substitute

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Published on Nov 29, 2019

How to build and operate a simple mass spectrometer. Please ask questions in the comments, as always. (I had to re-upload this video to fix the ending --I'm very sorry if your early comments were lost!)

Scientific American article: https://www.scientificamerican.com/ar... $7.99 is a good value for the entire back issue in plain PDF format, and an example of a publisher being reasonable. I'm happy to support this.

Original Dewdney paper: https://sci-hub.tw/https://doi.org/10...


https://en.wikipedia.org/wiki/Isotope...
https://en.wikipedia.org/wiki/Ionizat...
https://en.wikipedia.org/wiki/Thermal...
https://en.wikipedia.org/wiki/Gyroradius

https://www.patreon.com/AppliedScience

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