Why Is EI Considered a Hard Ionization Source

question 24

Multiple Choice

Why is EI considered a hard ionization source?

• A) It causes extensive fragmentation of molecules
• B) It operates under hard vacuum
• C) It is really hard to use
• D) It requires water with calcium (hard water) as the mobile phase
• E) none of the above

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Definitions:

Composition Class

An educational course focused on teaching students how to write effectively, including instruction on structuring arguments, grammar, and style.

Character Education

A direct moral education approach that involves teaching students a basic “moral literacy” to prevent them from engaging in immoral behavior or doing harm to themselves or others.

Moral Literacy

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Sense of Obligation

The feeling of being morally or legally bound to do something.