Beer-Lambert Law, more commonly known as Beer's Law, states that the optical absorbance of a chromophore in a transparen比尔-朗伯定律，更多的被称为比尔定律，是指在透明溶剂中发色团的光束吸收度随着样品电池路径以及发色团浓度的变化而呈线性变化。