PPT-Secondary Ion Mass Spectrometry (SIMS)

Secondary Ion Mass Spectrometry SIMS Outline Secondary Ion Mass Spectrometry Overview History Principles of Operation SIMS Issues Secondary Ion Mass Spectrometry SIMS SIMS is the most sensitive technique available for determining material composition It can potentially detect down to one part per billion. A surface analytical . technique. Routine analytical technique. Detailed chemical structure. information. High sensitivity. New primary ion sources (Au,. Bi, & buckministerfullerene. Jeff Johnson. Feb 19, 2014. MS Proteomics in a Nutshell. Ionization. Delivering macromolecules to the MS. Ion Manipulation. Trapping and ejecting . analytes. of interest. Fragmentation. Breaking apart for more information. Courtesy www.lab-initio.com. Purpose of Mass Spectrometry. P. roduces.  . spectra of masses from . the molecules . in . a sample of . material, and fragments of the molecules.. U. sed . to determine . Science Afternoon at NIST. February 4. th. , 2013. Questions Analytical (Bio)Chemists Ask. Environmental. Is the water safe to drink?. Deepwater. Horizon Oil Spill: Where did the oil go? When will the seafood be safe to eat again?. Monoatomic i on Ion Name Ion Old Name New Name H + hydrogen ion /proton Cr 2+ chromous ion chromium (II) ion Li + lithium ion Cr 3+ chromic ion chromium (III) ion Na + sodium ion Mn 2+ manganous ion Know what information they can provide. Interpret simple mass spectra graphs. Know some uses of mass spectrometry. A mass spectrometer….. Draw the mass spectrometer. Describe the 5 step process. AS A CARTOON STORY BOARD!. Ziam Ghaznavi. CHE 384T Lithography. November 30. th. , 2017. 1. Outline/Agenda. Motivation. Ion – Solid Interactions. Overview of IBL Systems . Future Outlook. 2. Motivation. SEMATECH and the ITRS. Ziam Ghaznavi. CHE 384T Lithography. November 30. th. , 2017. 1. Outline/Agenda. Motivation. Ion – Solid Interactions. Overview of IBL Systems . Future Outlook. 2. Motivation. SEMATECH and the ITRS. Objectives of the presentation. To get an appreciation of the role of . physics . in . our day to day living. Acquaint ourselves to a novel and . widely used . research tool: Mass Spectrometer. To . introduce the basic physics of mass . Peptide identification. CSE182. General isotope computation. Definition:. Let p. i,a. be the abundance of the isotope with mass i Da above the least mass. Ex: P. 0,C. : abundance of C-12, P. 2,O. : O-18 etc.. . André E. Lalonde AMS Laboratory and . Dept of . Physics and Earth Sciences. University of Ottawa. AMS . Analysis of . Uranium Isotopes. and Trace . Elements in UOC Samples. International Conference on Nuclear Security. Mass Spectrometry deals with the examination of characteristics fragments and arising from the breakdown of organic molecules. The mass spectrum is the plot of relative intensity of the ions agains #Certification #Dumps #Certification_exam_Dumps
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Certification dumps are collections of questions and answers used to prepare for a certification exam. They are often provided by third-party companies that specialize in exam preparation. Certification dumps are a valuable resource for anyone looking to prepare for a certification exam, as they provide an in-depth overview of the topics and concepts covered on the exam. Additionally, they are often updated with new and relevant information to ensure that the material is as fresh and up-to-date as possible. Certification dumps can save time and money by providing a comprehensive and convenient way to prepare for a certification exam A look at SIMS and Surface Analysis. Secondary Ion Mass Spectrometry. What are Secondary Ions?. Ions created from the interaction between a surface and an ion beam (the primary ions). Require high vacuum (≤10.