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Application of Inductively Coupled Plasma Spectrometric Techniques and Multivariate Statistical Analysis in the

Anamaria Iulia Torok1, Erika Andrea Levei1, Silviu Constantin2,3,4

  • 1INCDO-INOE 2000 National Institute for Research and Development of Optoelectronics, Research Institute for Analytical Instrumentation Subsidiary, Donath 67, 400293 Cluj-Napoca, Romania.

Molecules (Basel, Switzerland)
|November 27, 2021
PubMed

Keywords:
cavehydrogeochemical profileinductively coupled plasma mass spectrometryinductively coupled plasma optical emission spectrometrymultivariate statistical analysisprincipal component analysisrare earth elementsoiltwo-way joining analysiswater

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Inductively coupled plasma (ICP) is the most widely used plasma source in atomic emission spectroscopy (AES), also known as Inductively Coupled Plasma Optical Emission Spectroscopy (ICP-OES). The ICP source, or torch, consists of three concentric quartz tubes with argon gas flowing through them. A spark from a Tesla coil initiates the ionization of argon, generating a high-temperature plasma.
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In inductively coupled plasma–mass spectrometry (ICP–MS), an inductively coupled plasma (ICP) torch is used as an atomizer and ionizer. Solid samples are dissolved and volatilized before being introduced into the high-temperature argon plasma, while solution samples are nebulized and passed through the high-temperature argon plasma. Plasma dissociates the analytes and ionizes their component atoms to form a mixture of positive ions and molecular species. The positive ions are then...
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AES is a powerful analytical technique, especially effective when used with plasma sources, producing abundant spectra in characteristic emission lines. The Inductively Coupled Plasma (ICP), in particular, yields superior quantitative analytical data due to its high stability, low noise, low background, and minimal interferences under optimal experimental conditions. However, newer air-operated microwave sources are emerging as promising alternatives that could be more cost-effective than...
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