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Showing 1 to 20 of 758 for “"ICP"”.
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Laser ablation ICP spectrometry.
This thesis reports investigations into laser ablation inductively coupled plasma emission spectrometry for rapid elemental analysis of a diverse range of samples: glasses, aqueous solutions, oils, coated steels and glasses, and biological samples.Bulk analysis of glasses for major, minor and trace …
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MULTIVARIATE CALIBRATION FOR ICP-AES
… of metals is now a major application area for ICP-AES, however, the technique suffers from both spectral and non-spectral interferences. This thesis details the application of univariate and multivariate calibration methods for the prediction of Pt, Pd, and Rh in acid-digested and of Au, Ag and …
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ICP Analysis of Solids/Waste Slurries
… slurries into an inductively coupled plasma (ICP) spectrometer offers a rapid and easy method for the analysis of major, minor, and trace elements in coal, coal ash, cements, and refractory materials. In this study aqueous slurries of 6 coals were prepared by milling with a stirred-ball slurry …
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FUNDAMENTAL AND APPLIED MEASUREMENTS IN ICP-MS
Fundamental and applied aspects of ICP-MS have been investigated to gain an increased understanding of the technique and improve on its analytical capabilities. Dissociation temperatures of polyatomic ions were calculated using a double-focusing sector instrument, to obtain more reliable mass …
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Structure and dynamics of Pseudomonas aeruginosa ICP
… aeruginosa inhibitor of cysteine peptidases (PA-ICP) is a potent protein inhibitor of papain-like cysteine peptidases (CPs) identified in Pseudomonas aeruginosa, an opportunistic pathogenic bacteria that can cause severe infections in human. It belongs to the newly characterized natural CP …
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The determination of Arsenic in soil by ICP-OES
Please read the abstract in the section 00front of this document
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Fundamental studies of mixed gas plasmas in ICP-MS
… of nitrogen to all three argon gas flows of the ICP was evaluated, and the instrumental operating conditions were optimized to allow for the maximum removal of the ArCl+ interference on As and Se. The addition of nitrogen to the nebulizer gas was particularly effective in the removal of the …
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Improved boron 10 quantification via PGNAA and ICP-AES
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 1997.
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Determination of actinide elements in environmental samples by ICP-MS
… inductively coupled plasma mass spectrometry (ICP-MS). Initial applications utilised a commercially available resin, namely TRU-Spec resin, for efficient removal of the matrix prior to elution of uranium and thorium analytes. Comparative analyses of reference materials and natural water samples …
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Environmental speciation of tin and lead by HPLC-ICP-MS
… inductively coupled plasma-mass spectrometer (ICP-MS) for this application has been modified to yield limits of detection of 0.44,0.26,1.4 and 0.23 ng. g-' as Sri for TBT, TPhT, DBT and MBT respectively. Different extraction procedures have been tested for the determination of organotin species …
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Análisis de pequeñas estructuras mediante ICP-MS: desarrollo metodológico y aplicaciones
… desarrollo de metodologías analíticas basadas en ICP-MS para el análisis de pequeñas estructuras como células y nanopartículas de forma individual. Para ello, se han utilizado equipos de ICP-MS con distintos analizadores de masa equipados con diferentes sistemas de introducción de muestra, …
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Medida de relaciones elementales e isotópicas mediante ICP-QQQ: aplicaciones analíticas
Desde su aparición en los años 80, la técnica ICP-MS se ha establecido como la herramienta analítica más poderosa para la detección elemental. Sin embargo, su aplicación a elementos de interés biológico como el S, P o Se entre otros, ha estado bastante limitada debido a sus altos potenciales de …
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Microwave digestion methods for preparation of platinum ore samples for Icp analysis
… coupled plasma atomic-emission spectroscopy (ICP-AES). To reduce matrix interferences during analysis, a predigestion step with 50 mL of 1:1 nitric acid was introduced. Both ICP-AES and inductively plasma mass spectroscopy (ICP-MS) were used for analysis of sample extracts. ICP-AES analyses …
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The effects of organic gases on atomic spectrometric signals in the ICP
… several decades, the inductively coupled plasma (ICP) has become one of the analytical chemist’s most popular tools. The principal use of the ICP has been as an excitation cell for atomic emission spectrometry (AES). More recently, it has been used as an atomization cell for atomic fluorescence …
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