UPSC Combined Geo-Scientist, Mains · 2020 · Mains Paper III

Q3(c). Why plasma sources are preferred over flames

5 marks
Topic: Inductively coupled plasma spectroscopy
Question only

Question

In atomic absorption/emission spectrometry, plasma sources are preferred over flame sources. Why?

Model answer

The free solution for 2020 answers questions 1, 2, 4, 6, 8 and 10, the ones picked in its time plan. This part is not answered on the site yet. New answers are announced on Telegram.

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All parts of Question 3

3(a) Thermogravimetry of Ca, Ba and Sr oxalate monohydrates10 marks
3(b) Temperature and pressure programming in GC5 marks
3(c) Why plasma sources are preferred over flames5 marks
3(d) Moisture by Karl Fischer reagent10 marks