noun
quantitative analysis
Technical term used in chemistry, statistics, and other scientific fields for measuring amounts or concentrations.
この実験では定量分析を用いて成分の濃度を測定した。
In this experiment, we measured the concentration of the components using quantitative analysis.
定性分析 is qualitative analysis, which identifies what substances are present, while 定量分析 determines how much of each substance is present.
Compound of 定量 (ていりょう, 'fixed quantity') and 分析 (ぶんせき, 'analysis').