Nier-Johnson geometry
From Mass Spec Terms
Obsolete Template
Orange Book
| ORANGE BOOK DEFINITION
IUPAC. Analytical Division. Compendium of Analytical Nomenclature (the Orange Book). Definitive Rules, 1979 (see also Orange Book 2023) |
| Nier-Johnson geometry |
|---|
|
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 |
