July 2012
Intermediate to advanced
758 pages
17h 12m
English
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Chapter 9
Plasma Emission Spectroscopy
INTRODUCTION
The plasma is used as an atomisation source for emission spectroscopic method is known as plasma emission spectroscopy. Plasma is defined as a cloud of highly ionised gas which is composed of electrons. In plasma emission spectroscopy, the gas usually used is argon which is ionised by the influence of a strong electrical field either by a direct current or by radio frequency.
Based on the current applied, plasma emission spectroscopy is classified as the following:
- Direct current plasma emission spectroscopy.
- Inductively coupled plasma emission spectroscopy.
Plasma was first identified by Sir William Crookes in 1879 in a Crookes tube.
PRINCIPLE
The main principle involved here is atomisation ...
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