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(1) MIT: New insights on fusion power

David Chandler, MIT News Office
December 3, 2008

Research carried out at MIT's Alcator C-Mod fusion reactor may have brought the promise of fusion as a future power source a bit closer to reality, though scientists caution that a practical fusion powerplant is still decades away.

Adapted from - http://web.mit.edu/newsoffice/2008/fusion-results-tt1203.html


(2)Disappearing superconductivity reappears -- in 2-D

Scientists studying a material that appeared to lose its ability to carry current with no resistance say new measurements reveal that the material is indeed a superconductor -- but only in two dimensions. Equally surprising, this new form of 2-D superconductivity emerges at a higher temperature than ordinary 3-D superconductivity in other compositions of the same material.

Adapted from - http://www.bnl.gov/bnlweb/pubaf/pr/PR_display.asp?prID=865

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Showing posts with label Analytical Chem. Show all posts
Showing posts with label Analytical Chem. Show all posts

January 7, 2009

The British Mass Spectrometry Society


The British Mass Spectrometry Society

Chemistry online Resources

The British Mass Spectrometry Society - resources

Link - http://www.bmss.org.uk/resources.htm

Analytical Inorganic Organic Physical

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What is Mass Spectrometry?


What is Mass Spectrometry?

Chemistry online Resources

Link - http://www.asms.org/whatisms/

A Website about Mass Spectrometry , Index ......
  1. Why should you be interested in mass spectrometry?
  2. Did you know that mass spectrometry is used to...
  3. What can mass spectrometry do for you?
  4. How did mass spectrometry originate?
  5. What is a mass spectrometer?
  6. What are the characteristics of a mass spectrum?
  7. How is the sample introduced into the mass spectrometer?
  8. How are the molecules and fragment ions produced in the ion source?
  9. How does the analyzer work?
  10. How does the detector work?
  11. What are the roles of computers in mass spectrometry?
  12. How can mass spectrometric data be used for structure analysis?
  13. What other techniques are used to produce ions?
  14. How large a molecule can be analyzed?
  15. How is mass spectrometry used with GC,LC, and other separation techniques?
  16. How is mass spectrometry used for quantitative analysis?
  17. What is mass spectrometry/mass spectrometry (MS/MS)?
  18. What is isotope ratio mass spectrometry?
  19. What is elemental mass spectrometry?
  20. Where can I go for further information and help?
  21. Figure Acknowledgements
Analytical Inorganic Organic Physical

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December 20, 2008

NMR at Widener University

NMR at Widener University

Chemistry online Resources

Link - http://science.widener.edu/svb/nmr/nmr.html

"This site includes

  • An outline of the talk.
  • Descriptions of some Freely distribueted software programs I have found useful for teaching.
  • Descriptions of the commercial NMR software I have tried out.
  • Mathcad documents that I have developed for teaching NMR concepts.
  • NMR Data from Advanced Spectroscopy at Widener Unviersity that highlights several NMR concepts.
  • Links to NMR sites on the Internet.
  • Details of the NMR Concepts Listserv.

Use of some of the information on theis web site requires the use of helper applicaitons. These are already installed in the student laboratories at Widener. Others will have to install these helper applications to make full use of this site. More information about helper applications used here."[1]

1. http://science.widener.edu/svb/nmr/nmr.html

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WebSpectra - Problems in NMR and IR Spectroscopy


WebSpectra - Problems in NMR and IR Spectroscopy

Chemistry online Resources

Link - http://www.chem.ucla.edu/~webspectra/


"This site was established to provide chemistry students with a library of spectroscopy problems. Interpretation of spectra is a technique that requires practice - this site provides 1H NMR and 13C NMR, DEPT, COSY and IR spectra of various compounds for students to interpret. Hopefully, these problems will provide a useful resource to better understand spectroscopy.

Analytical Inorganic Organic Physical"[1]
1.http://www.chem.ucla.edu/~webspectra/

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December 14, 2008

The Spectroscopy Net . Com


The Spectroscopy Net . Com

Chemistry online Resources

Link - http://www.thespectroscopynet.com/

The Spectroscopy Net is an informal Web site for all aspects of Optical (Atomic) Emission Spectrometry. Those seeking other spectroscopies, in particular we have lots of requests for atomic absorption spectroscopy, might try to come back later again as we constantly work on this site to cover more aspects of Spectrometry. We have opend the The Spectroscopy Net for contributions by the Experienced Researchers and Early Stage Researchers of the Marie Curie RTN Gladnet to give them the possibility of informing the public about their research interests and to get training in writing scientific contributions dedicated to the general public. In particular the participants of the training courses organised by Gladnet are encouraged to write a small topic on the training lectures.

The Spectrocopy Net was designed by Dr Richard Payling to bring emission spectrometry to the web, to support practitioners, and to provide an informal exchange of information. Richard was Manager of Surface Analytical, Consultant to Horiba Jobin-Yvon France and Conjoint Associate Professor of Physics, The University of Newcastle, NSW 2380, Australia.

The world of Light, of Sun and Stars, of Atoms and Chemical Analysis. The Spectroscopy Net is an open, free resource for Spectroscopists everywhere and everyone interested in Atomic Spectroscopy.

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spectroscopyNOW.com


spectroscopyNOW.com

Chemistry online Resources

Link - http://www.spectroscopynow.com/coi/cda/home.cda?chId=0

The free online resource for the spectroscopy community


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December 11, 2008

Interactive Computer Models for Analytical Chemistry Instruction


Interactive Computer Models for Analytical Chemistry Instruction

Chemistry online Resources

Link - http://terpconnect.umd.edu/~toh/models/

"This is a collection of free, downloadable, interactive computer models and simulations of common analytical instruments and techniques. Most have a point-and-click interface; you click buttons and drag sliders to control variables and the model responds dynamically, often much faster than real time. I originally designed these models for students in my courses in Instrumental Analysis (an upper-division undergraduate laboratory course) and Spectrochemical Methods (a graduate lecture course). They were designed to be used by individual students either as homework assignments, for in-class use in a computer lab environment, in the laboratory for the analysis of student-generated data, or as a temporary replacement for unavailable laboratory equipment. They can also be used by the instructor in lecture-demonstration environments. Student assignment handouts and suggested experiments are attached to most of them. The mathematical basis for each model is described, including all cell definitions and equations. These spreadsheets make extensive use of named cells (variables), which makes the equations easier to understand (as compared to row-colunm references)'[1].
1.http://terpconnect.umd.edu/~toh/models/

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Analytical Chemistry Cross-Index

Analytical Chemistry Cross-Index

Chemistry online Resources

Link - http://www.chemistry.vt.edu/chem-ed/ac-basic.html

"This index provides an introduction to some of the fundamental concepts and methods of analytical chemistry. The topics are arranged in the order in which they are commonly presented in an undergraduate analytical chemistry course"[1].
1.http://www.chemistry.vt.edu/chem-ed/ac-basic.html

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December 2, 2008

Basic Liquid Chromatography

Basic Liquid Chromatography - Analytical

Chemistry online Resources

Link - http://hplc.chem.shu.edu/HPLC/index.html

"High Performance Liquid Chromatography (HPLC) is one mode of chromatography, the most widely used analytical technique. Chromatographic processes can be defined as separation techniques involving mass-transfer between stationary and mobile phases.

HPLC utilizes a liquid mobile phase to separate the components of a mixture. These components (or analytes) are first dissolved in a solvent, and then forced to flow through a chromatographic column under a high pressure. In the column, the mixture is resolved into its components. The amount of resolution is important, and is dependent upon the extent of interaction between the solute components and the stationary phase. The stationary phase is defined as the immobile packing material in the column. The interaction of the solute with mobile and stationary phases can be manipulated through different choices of both solvents and stationary phases. As a result, HPLC acquires a high degree of versatility not found in other chromatographic systems and it has the ability to easily separate a wide variety of chemical mixtures"[1].......
First chapter of the book
1.http://hplc.chem.shu.edu/HPLC/index.html

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NMRShiftDB


NMRShiftDB - Analytical

Chemistry online Resources

Link - http://www.nmrshiftdb.org/

"NMRShiftDB is a NMR database (web database) for organic structures and their nuclear magnetic resonance (nmr) spectra. It allows for spectrum prediction (13C, 1H and other nuclei) as well as for searching spectra, structures and other properties. Last not least, it features peer-reviewed submission of datasets by its users. The NMRShiftDB software is open source, the data is published under an open content license. Please consult the documentation for more detailed information"[1].
1.http://nmrshiftdb.ice.mpg.de/

Analytical Inorganic Organic Physical

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November 27, 2008

Spectroscopy Europe

Spectroscopy Europe - Spectroscopy

Chemistry online Resources

Link - http://www.spectroscopyeurope.com

Spectroscopy Europe is a magazine covering all areas of spectroscopy and circulates free-of-charge to 21,000 readers across Europe. The web site provides an electronic version of much of the print magazine, including a searchable database of products and a diary of meetings and conferences.

Analytical Inorganic Organic Physical

October 30, 2008

Online SMILES Translator and Structure File Generator

Online SMILES Translator and Structure File Generator

Chemistry online Resources

Link - http://cactus.nci.nih.gov/services/translate/

Analytical Inorganic Organic Physical

October 27, 2008

The Handbook of Analytical Methods - Analytical Chemistry

The Handbook of Analytical Methods - Analytical Chemistry

Chemistry online Resources

"The Handbook of Analytical Methods for Materials (HAMM) is a brief tutorial on techniques for materials characterization. The HAMM is intended to provide our visitors with enough information on a technique to determine whether it has the potential to help solve a materials problem. We hope that this information can be used by our customers and other visitors to this site to formulate plans for evaluation of problems under investigation and to better understand data that they may obtain.

This handbook is also available in a downloadable Adbobe PDF format. The PDF version has additional content not included in the HTML version"[1]

1.http://www.mee-inc.com/ham.html

Analytical Inorganic Organic Physical

Analytical Chemistry Basics - Analytical Chemistry

Analytical Chemistry Basics - Analytical Chemistry

Chemistry online Resources

Link - http://elchem.kaist.ac.kr/vt/chem-ed/analytic/ac-basic.htm

"The goal of this on-line course is to provide the user with an introduction to some of the fundamental concepts and methods of analytical chemistry. The topics are arranged in the order in which they are typically presented in an undergraduate analytical chemistry course. Many of the reference documents that you will read contain links to remedial material and related topics. Use the remedial links when needed but skip the related topics since you will get to most of them eventually in the course. After reading a reference document, return to this page with the back arrow"[1].

1.http://elchem.kaist.ac.kr/vt/chem-ed/analytic/ac-basic.htm



Analytical Inorganic Organic Physical

October 26, 2008

American Organization of Analytical Chemists - Analytical Chemistry

Analytical Chemistry

Chemistry online Resources

American Organization of Analytical Chemists International

Link - http://www.aoac.org/

AOAC INTERNATIONAL is a 120 year-old not-for-profit scientific association committed to worldwide confidence in analytical results. In fact, "worldwide confidence in analytical results" is AOAC's vision. An AOAC community is a group of analytical scientists in a specific area who share AOAC's vision of worldwide confidence in analytical results and who are brought together by a leader or "champion" to do together what they cannot do alone. Representatives of a community include scientific experts from various government agencies, industry, trade associations, international organizations, and academia.



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