The purity of carrier gases is typically measured using several techniques:
- Gas Chromatography (GC): Used to separate and quantify impurities. - Mass Spectrometry (MS): Provides detailed analysis of the molecular composition. - Moisture Analyzers: Employ techniques like coulometric titration to measure trace levels of water. - Oxygen Analyzers: Often use electrochemical sensors or zirconia-based measurements to detect oxygen levels.
