mass spectrometry
Analytical technique used to measure the mass-to-charge ratio of ions. Common in chemistry and physics.
Mass spectrometry is widely used for identifying compounds.
この研究室では質量分析法を用いてタンパク質を解析している。
This laboratory analyzes proteins using mass spectrometry.
質量分析 is the process of mass analysis, while 質量分析法 refers specifically to the method or technique.
Compound of 質量 (mass) + 分析 (analysis) + 法 (method). A straightforward technical term.