Multiple choice

Gas phase ions, from a solid sample, are produced in which method?

  1. Electron ionization

  2. Chemical ionization

  3. Ion-attachment ionization

  4. Spark ionization
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Spark ionization is a method used to produce gas phase ions from a solid sample. The prepared solid sample is vapourized and partially ionized by an intermittent discharge or spark.

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