《中国药典》1995年版 1998年增补本中首次对静脉给药的中药注射剂规定了钾离子检查方法[1] ,但是在实际工作中 ,当样品的钾离子浓度在 5～ 11μｇ/ｍｌ范围时可出现用药典方法 (目视比浊法 )不易分辨的现象 ,故可能对其检验结果造成误判 ,或对生产企业造成一定的声誉与经济损 For the first time in the 1995 edition of the Chinese Pharmacopoeia, an intravenous injection of Chinese medicine was prescribed for the examination of potassium ions [1]. However, in practical work, when the potassium concentration of the sample is in the range of 5 to 11 μg/ml There is a phenomenon that the pharmacopoeia method (visual turbidimetric method) is not easy to distinguish, so it may cause misjudgment on the test results, or cause a certain reputation and economic damage to the production enterprises.