Difference between revisions of "Nier-Johnson geometry"
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Revision as of 19:02, 12 July 2009
Obsolete Template
Orange Book entry
Orange Book
| ORANGE BOOK DEFINITION
IUPAC. Analytical Division. Compendium of Analytical Nomenclature (the Orange Book). Definitive Rules, 1979. |
| Nier-Johnson geometry |
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An arrangement for a double-focusing mass spectrometer in which a deflection of π/2 radians in a radial electrostatic field analyser is followed by a magnetic deflection of π/3 radians. The electrostatic analyser uses a symmetrical object-image arrangement and the magnetic analyser is used asymmetrically. |
| IUPAC 1997 Orange Book Chapter 12 |
| Index of Orange Book Terms |