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采用氯铂酸盐或亚硝酸钴钠生成不溶性钾盐沉淀,然后进行滴定或比色测定血清钾的方法,目前在临床检验中广泛采用。但操作繁杂,且影响因素颇多。火焰光度分析法虽快速准确,但仪器不易获得,推广受到限制。晚近采用四苯硼钠(STPB)比浊测定法渐多,Flaschka等曾予综述,此法简便快速是其优点,然普遍认为影响因素诸多,尤以pH和铵
The use of chloroplatinate or sodium nitrite to generate insoluble potassium precipitation, and then titration or colorimetric determination of serum potassium, is currently widely used in clinical testing. However, the operation is complicated and affects many factors. Although the flame photometric analysis is fast and accurate, but the instrument is not easy to obtain, promotion is limited. The recent adoption of tetraphenylboron sodium (STPB) turbidimetric assay more, Flaschka et al. Have been reviewed, this method is quick and easy is its advantage, but generally considered many factors, especially pH and ammonium