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- W4386784274 abstract "This chapter talks about a type of analysis which enables the mass of the molecule to be determined, including how it is constructed. It analyses the basic mass spectrometric experiment, first demonstrated by Wilhelm Wien in 1989, wherein individual molecules of a sample are bombarded with high energy electrons, causing the ejection of electrons from the substrate on impact. It also refers to electron impact ionization. This indicates positively charged ions which are accelerated along an electrical potential and pass through a magnetic field. The chapter explains the production of intact radical cation and the impact of an electron which cause sufficient energy to be transferred to the vibrational modes of the molecule. It mentions fragments that retain the positive charge, which are deflected in the magnetic field." @default.
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- W4386784274 date "1996-10-24" @default.
- W4386784274 modified "2023-09-27" @default.
- W4386784274 title "Mass spectrometry" @default.
- W4386784274 doi "https://doi.org/10.1093/hesc/9780198557555.003.0006" @default.
- W4386784274 hasPublicationYear "1996" @default.
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