Q40 · CSIR-NET Chemistry, December 2013

Paper: CSIR-NET December 2013 · Subject: Inorganic Chemistry · Chapter: Analytical Chemistry · Topic: Analytical Chemistry – General · Marks: 2 · Difficulty: Easy

Correct statement for 'Inductively Coupled Plasma Atomic Emission Spectroscopy' is
(a)It is unsuitable for all non-metals.
(b)Simultaneous determination of only metals is possible.
(c)Induction coil stabilizes plasma.
(d)Oxide formation lowers atomization of metal.
Answer
Answer: C ✓ checked by 4AB · confidence high
Explanation
In ICP-AES the radio-frequency induction coil sustains and stabilises the argon plasma; many non-metals (P, S, B) can be determined, metals and non-metals simultaneously, and the hot plasma prevents refractory oxide formation.

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