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Showing 1 to 20 of 119 for “"ICP-OES"”.

  1. The determination of Arsenic in soil by ICP-OES

    Please read the abstract in the section 00front of this document

    pretoria Repository record for The determination of Arsenic in soil by ICP-OES (opens in a new tab)

  2. Development of selective pre-concentration methodology of some of the platinum-group metals in acidic solutions, followed by their direct determination by ICP-OES

    … of much improved instrumentation, such as ICP-OES, NAA and XRF, most analytical techniques currently employed for the determination of the platinum-group metals require selective sample preparation that ensures enrichment of the individual platinum-group metals at the trace and ultra trace …

    cape-town Repository record for Development of selective pre-concentration methodology of some of the platinum-group metals in acidic solutions, followed by their direct determination by ICP-OES (opens in a new tab)

  3. Heavy metal distribution in Wrigley Head, Moston Brook, Greater Manchester,Northwest England : implications for risk assessment and remediation

    … the relationship between XRF and aqua regia/ICP-OES derived heavy metal data, (b) investigate the multiple sources of historical heavy metal contamination, (c) investigate small-scale spatial variation in heavy metal contamination across the study site, (d) assess heavy metal uptake by …

    salford Repository record for Heavy metal distribution in Wrigley Head, Moston Brook, Greater Manchester,Northwest England : implications for risk assessment and remediation (opens in a new tab)

  4. Nutriční složení různých druhů mléka

    … úpravy mléka pro prvkovou analýzu technikou ICP-OES. Pro validaci metody byl použit certifikovaný referenční materiál ERM®-BD150, který byl upravován pomocí mineralizace, přídavku činidel a pomocí disperze. Nejvyšší výtěžnost vápníku při validaci byla stanovena na 90,6 ± 8,6 % při přídavku …

    brno-tech Repository record for Nutriční složení různých druhů mléka (opens in a new tab)

  5. Gyümölcscefrék beltartalmi változásainak vizsgálata

    … készült cefrék makro- és mikorelem vizsgálatát ICP-OES és ICP-MS készülékekkel végeztük el. Ezen kívül vizsgáltuk szárazanyag-tartalmát, fenolos vegyületeket, flavonoid tartalmat, savtartalmat. A cefre elemtartalmának vizsgálata során megfigyeltük a minta szűrés előtti és utáni, valamit a …

    debrecen Repository record for Gyümölcscefrék beltartalmi változásainak vizsgálata (opens in a new tab)

  6. Geochemistry of Holocene coastal deposits (NW Germany): palaeoenvironmental reconstruction

    … und wurden in hoher Auflösung u.a. mittels RFA, ICP-OES und ICP-MS auf ihre anorganisch-geochemische Zusammensetzung untersucht. Hauptziel der Arbeit ist es, Erkenntnisse über Art und Herkunft des sedimentierten Materials, Ablagerungsenergetik, Paläosalinität und frühdiagenetische Prozesse der …

    oldenburg Repository record for Geochemistry of Holocene coastal deposits (NW Germany): palaeoenvironmental reconstruction (opens in a new tab)

  7. Régészeti obszidiánok forrásterületének meghatározása

    … az obszidiánok vizsgálati módszereit (NAA, ICP-OES, ICP-AES, LA-ICP-MS, PIGE, PIXE, PGAA), különös tekintettel a vizsgálati eredményeknek a proveniencia vizsgálatokban való felhasználhatóságukat. Végül néhány konkrét vizsgálaton keresztül, irodalmi példák segítségével bemutattam a fő- és …

    debrecen Repository record for Régészeti obszidiánok forrásterületének meghatározása (opens in a new tab)

  8. Corrosion Behavior of Potential Structural Materials for use in Nitrate Salts Based Solar Thermal Power Plants

    … plasma optical emission spectroscopy (ICP-OES) analysis. Surface morphology was studied using scanning electron microscopy. Surface oxide structure and chemistry was characterized using X-ray diffraction, Raman spectroscopy, energy dispersive spectroscopy, and X-ray photoelectron …

    unr Repository record for Corrosion Behavior of Potential Structural Materials for use in Nitrate Salts Based Solar Thermal Power Plants (opens in a new tab)

  9. Zvyšování bělosti kaolinu

    … hmoty byla stanovena pomocí COD testu a metodou ICP-OES byly sledovány koncentrace chromogenních složek ve výluhu. V poslední řadě byl měřen index bělosti, jehož zvyšování je cílem diplomové práce, pomocí UV-VIS spektrometru s reflektančním nástavcem.

    brno-tech Repository record for Zvyšování bělosti kaolinu (opens in a new tab)

  10. Trace Evidence Analysis of Forensic Samples Using Inductively Coupled Plasma

    … trace analysis is inductively coupled plasma (ICP) spectrometry; yet, it is seldom used for forensic analysis. In this thesis, four different forensic applications will be explored using ICP spectrometry involving four different types of sample: human head hair, automotive paint, solder and …

    queens Repository record for Trace Evidence Analysis of Forensic Samples Using Inductively Coupled Plasma (opens in a new tab)

  11. Assessment of heavy metal concentrations in water and sediment of dams in Central Namibia and bioaccumulation of copper in locally occuring crabs and fish

    … Coupled Plasma – Optical Emission Spectrometry (ICP-OES). No significant temporal difference (p > 0.05) in metal concentrations was found. Omatako dam had significantly (p < 0.05) higher concentrations of Copper (0.68 mg/L) and Zinc (1.0 mg/L) in the sediment than Von Bach dam. Water at the start …

    namibia Repository record for Assessment of heavy metal concentrations in water and sediment of dams in Central Namibia and bioaccumulation of copper in locally occuring crabs and fish (opens in a new tab)

  12. Development of bimetallic Pd-Zn catalysts for methanol steam reforming: hydrogen production for fuel cells

    … Both impregnation catalysts were confirmed by ICP-OES to contain similar weight Pd loadings i.e. 2.8 and 2.7 wt%, respectively. The actual Pd loading (ICP-OES) was slightly higher than the target loading (2.5 wt%) due to Pd content of Pd salt underestimated during catalyst preparation. …

    cape-town Repository record for Development of bimetallic Pd-Zn catalysts for methanol steam reforming: hydrogen production for fuel cells (opens in a new tab)

  13. The Development of Analytical Procedures for Analysis of Trace Metals in Pharmaceutical Formulations and the Speciation of Arsenic in Antacids

    … coupled plasma optical emission spectroscopy (ICP-OES) and inductively coupled plasma mass spectrometry (ICP-MS). The aim of this work was to develop, optimise and validate analytical methods for the determination of Class 1 and Class 2A elements, arsenic (As), cadmium (Cd), mercury (Hg),lead …

    liverpool-jm Repository record for The Development of Analytical Procedures for Analysis of Trace Metals in Pharmaceutical Formulations and the Speciation of Arsenic in Antacids (opens in a new tab)

  14. An investigation into Manganese(2+) interferences and retrospective dose assessment of shelled species using EPR spectroscopy

    … coupled plasma - optical emission spectroscopy (ICP-OES) was used to determine the Mn²⁺ concentrations in shells of thirteen species. A methodology to quantitatively compare Mn²⁺ concentrations with Mn²⁺ EPR peak intensity in calcified shells was developed as a potential indicator tool for …

    uoit Repository record for An investigation into Manganese(2+) interferences and retrospective dose assessment of shelled species using EPR spectroscopy (opens in a new tab)

  15. Developing an elevated temperature Pourbaix diagram for zirconium and multi-element Pourbaix diagram of Zircaloy-4

    … and concentration measurements were made using ICP-OES and ICP-MS, for zirconium and Zircaloy-4, respectively. For Zr(OH)6²-, Zr(OH)4 (aq), and Zr(OH)2²+ the hydrolysis constants were found to be -19.39±1.98, 1.77±1.60, and 3.72±1.63, and the Gibbs energy of formation were: -2177.40±8.49 kJ/mol; …

    uoit Repository record for Developing an elevated temperature Pourbaix diagram for zirconium and multi-element Pourbaix diagram of Zircaloy-4 (opens in a new tab)

  16. Reactive Sputter Deposition of Lithium Phosphorus Oxynitride Thin Films, A Li Battery Solid State Electrolyte

    … coupled plasma optical emission spectroscopy (ICP/OES), and spectroscopic ellipsometry. In addition, film density, and the intrinsic stress of the deposited films were also studied. The highest ionic conductivity of 9.8 x 10-6 S/cm was obtained at elevated deposition temperature and is …

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  17. Design of oil consumption measuring system to determine the effects of evolving oil sump composition over time on diesel engine performance and emissions

    … steady state test. This was measured using ICP-AES (ICP-OES) elemental analysis technique, and the Total Base Number for the oil was also determined. An effective and reduced cost oil consumption and replenishing system was developed with this purpose.

    mit Repository record for Design of oil consumption measuring system to determine the effects of evolving oil sump composition over time on diesel engine performance and emissions (opens in a new tab)

  18. Pilot Study using Elemental Geochemistry as a Means of Discriminating Chert Stratigraphy in the Roberts Mountains Allochthon, Nevada

    … used for handheld XRF analysis and 66 for ICP-MS and ICP-OES analysis. Samples were collected from 6 localities in 5 ranges, all with known ages based on radiolarian biostratigraphy. These samples are assigned to either the Slaven, Cherry Spring, or upper Vinini chert, or equivalent units. …

    unr Repository record for Pilot Study using Elemental Geochemistry as a Means of Discriminating Chert Stratigraphy in the Roberts Mountains Allochthon, Nevada (opens in a new tab)

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