نتایج جستجو برای: plasma emission spectrometry
تعداد نتایج: 607064 فیلتر نتایج به سال:
ss Open Acce Meeting abstract A combined accelerator mass spectrometry/positron emission tomography microdose study to assess the plasma and brain tissue pharmacokinetics of 11Cand 14C-labelled verapamil in healthy volunteers Claudia C Wagner1, Marie Simpson2, Graham Lappin2, Rudolf Karch3, Aiman Abrahim1,4, Thomas Feurstein1, Martin Bauer1, Markus Zeitlinger1, Kurt Kletter5, Markus Müller1 and...
The effects of different parameters and the nitric acid concentration on sensitivity repeatability elemental analysis were characterized for liquid electrode plasma optical emission spectrometry (LEP-OES). In addition, internal standardization LEP-OES was investigated. developed method used determination lithium, potassium, iron, zinc in aqueous solutions samples with high concentrations after ...
An innovative technology has been developed involving a simple and sensitive optical spectrometric method termed matrix-assisted plasma atomization emission spectrometry (MAPAES) for surface sampling elemental analysis using a piece of filter paper (FP) for sample introduction. MAPAES was carried out by direct interaction of the plasma tail plume with the matrix surface. The FP absorbs energy f...
The spatial distribution analysis of emission signals from a laser-induced plasma can provide information on the excitation mechanism as well as on the optimization of the analytical conditions when it is employed as a sampling and excitation source in optical emission spectrometry. A two-dimensionally imaging spectrometer system was employed to measure spatial variations in the emission intens...
In glow discharge optical emission spectrometry, two-dimensional emission images for iron atomic lines were measured by using an imaging spectrograph equipped with a CCD detector, when a radio-frequency (r.f.) power source was employed for excitation. Emission images at the Fe I 371.99-nm and the Fe I 375.82-nm lines, having different excitation energies, were analyzed by the two-line method to...
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