Laser Ablation Is an Inductively Coupled Plasma Sampling Technique

Laser ablation is an inductively coupled plasma sampling technique.Which of the following is true for laser ablation?
I Laser ablation destroys the entire sample.
II A laser pulse is focused onto a small area,producing an explosion of atoms,electrons,and ions in the gas phase.
III Depth profiling of the sample is possible with repeated laser pulses probing deeper and deeper into the sample.
IV Nanogram amounts of material are ablated per pulse.
V Ablation products are swept to the plasma with H₂ gas.

A) I and II
B) II,III,and IV
C) I,II,III,and IV
D) II,IV,and V
E) III and IV

Correct Answer:

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