NDLI: Optimization of plasma parameters for preliminary analysis of chromium containing tablet by laser induced breakdown spectroscopy.

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Optimization of plasma parameters for preliminary analysis of chromium containing tablet by laser induced breakdown spectroscopy.

Content Provider	CiteSeerX
Author	Horňáčková, M. Grolmusová, Z. Rakovský, J. Plavčan, J. Veis, P. Heitz, J. Pedarnig, J. D.
Abstract	Abstract. Laser induced breakdown spectroscopy was used for preliminary elemental analysis of chromium containing tablet. Plasma was generated by 532 nm Q- switched Nd:YAG laser. To collect the plasma emission, lens in the body tube was used. This lens focused emission in the optical fiber linked with the entrance slit of an Echelle spectrometer. The emission beam was recorded with an intensified charge-coupled device (iCCD), finally. Laser induced plasma parameters like electron temperature and concentration were determined for the analysis of tablet containing 0,03 mg of chromium in the form of chromium(III) picolinate. A Saha-Boltzmann plot method was used for determination of electron temperature, assuming the local thermodynamic equilibrium. Electron concentration was estimated by Stark broadening mechanism of Hα line (656 nm). Time evolution of electron temperature and concentration were estimated and dependency of intensity on delay was found out for some spectral lines for reaching optimal experimental conditions. Also elemental analysis of the sample was realized. Laser induced breakdown spectroscopy is a suitable technique for qualitative and quantitative analysis of pharmaceutical samples and can provide fast and simple analysis with minimal or no sample preparation.
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Access Restriction	Open
Subject Keyword	Plasma Parameter Chromium Containing Tablet Laser Induced Breakdown Spectroscopy Electron Temperature Preliminary Analysis Breakdown Spectroscopy Local Thermodynamic Equilibrium Emission Beam Intensified Charge-coupled Device Body Tube Suitable Technique Optical Fiber Simple Analysis Quantitative Analysis Optimal Experimental Condition Sample Preparation Yag Laser Preliminary Elemental Analysis Saha-boltzmann Plot Method Electron Concentration Spectral Line Focused Emission Entrance Slit Plasma Emission Echelle Spectrometer Pharmaceutical Sample Time Evolution Elemental Analysis
Content Type	Text
Resource Type	Article

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