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What does EI stand for?

EI stands for Electron Ionization

This definition appears very frequently and is found in the following Acronym Finder categories:

  • Science, medicine, engineering, etc.

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Other Resources:
We have 38 other meanings of EI in our Acronym Attic

Samples in periodicals archive:

The three configurations on the Varian 4000 GC/MS are: Internal Ionization: Based on the field-proven Saturn 2000 series GC/MS, the Varian 4000 system achieves the industry standard for sensitivity, both in full-scan electron ionization (EI) and positive chemical ionization (PCI) operation.