A simple and rapid procedure of AAS based on quantitative dissolution followed by wet digestion pretreatment was used for the determination of K, Na, Ca and Mg in many nutritional pharmaceuticals.

• 经定量稀释、湿法消解，采用原子吸收分光光度法测定百普素（Pepti－2000Variant）中K、Na、Ca、Mg的含量。