👉 The peak fluid, also known as the maximum fluid or the highest concentration of a specific fluid within a system, refers to the point at which the fluid's concentration reaches its highest level. This is typically observed in solutions, where it can indicate the saturation point of a solute in a solvent. For instance, in a saturated solution of salt in water, the peak fluid represents the maximum amount of salt that can dissolve at a given temperature and pressure, beyond which no more salt will dissolve. Understanding the peak fluid is crucial in various scientific fields, including chemistry and environmental science, as it helps in predicting and controlling the behavior of solutions under different conditions.