康宁 644离子分析仪是临床常用于测Ｋ+、Ｎａ+、Ｃｌ- 浓度 ,因原装试剂价格昂贵 ,我们对其进行了研究 ,自行配制试剂 ,经过近 2年的临床应用观察 ,效果满意 ,现报道如下。1　材料和方法1·1　仪器　康宁 644Ｋ+、Ｎａ+、Ｃｌ- 分析仪。1·2　试剂　本试剂相应的配套试剂 :自配 The Corning 644 Ion Analyzer is commonly used in the clinical measurement of K+, Na+, and Cl- concentrations. Due to the high cost of the original reagents, we conducted a study and prepared the reagents ourselves. After nearly 2 years of clinical application observation, the results were satisfactory. The report is as follows. 1 Materials and Methods 1.1 Instrument Corning 644K+, Na+, Cl- analyzers. 1·2 Reagents Corresponding reagents for this reagent: Self-contained