检验钾离子时常用的氯化铂、酒石酸氢钾或亚硝酸钴钠等试剂,各有其缺点。有的价格昂贵,不易获得;有的反应不敏锐,需要较高的钾高子浓度。根据苏联的材料,用硫代硫酸钠和鉍的复 Often used to test potassium chloride platinum chloride, potassium hydrogen tartrate or sodium nitrite and other reagents, each with its own drawbacks. Some are expensive and not readily available; others are less responsive and require higher potassium concentration. According to the Soviet Union material, with sodium thiosulfate and bismuth complex