OBJECTIVE:To determine plasma level of Potassium sodium in rat by a reversed phase high performance chromatographic method(RP-HPLC) and to study its pharmacokinetics.

• 目的:建立以高效液相色谱(HPLC)法测定大鼠血浆中炎琥宁含量的方法,并对其药动学进行研究。