residual gas analyser

initialism: RGA
https://doi.org/10.1351/goldbook.12552
Mass spectrometer used to measure the composition and pressure of gases in an evacuated chamber and to test for leaks in pressurized systems.
Source:
PAC, 2013, 85, 1515. (Definitions of terms relating to mass spectrometry (IUPAC Recommendations 2013)) on page 1585 [Terms] [Paper]
Citation: 'residual gas analyser' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.12552 RIS BibTex EndNote
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