Question

which ionisation technique is not ised for analysis of volatile compound?​

Answer 1

Electron impact is the most commonly used hard ionization technique. It is suitable for relatively small molecules whose molecular weights are below 600 which can be vaporized easily without decomposition

Answer 2

Answer:

The standard ionisation technique in GC-MS is electron impact ionisation (EI) with electrons of 70 eV kinetic energy. EI is a universal ionisation method, since all organic compounds are ionised with a comparable efficiency

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