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On 2019-11-29 Ben Krasnow uploaded a YouTube video DIY mass spectrometer measures potassium in dietary salt substitute showing an outstanding construction of a mass-spec apparatus in his home shop based on the articles by Dewdney [1] and Stong [2] with some variations and improvements, like altered electrical scheme and increased emission current.
The main ...
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Not by a homebuilt mass spectrometer, you can't. At least not with a reasonable amount of effort.
A mass spectrometer is a very complicated and sensitive charged-particle optics instrument. A useful mass spectrometer for materials that are not a gas or vapor at near room temperature is far more complicated and expensive than that. A mass spectrometer ...
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