Burguera J L, Burguera M, Gallignani M
An Acad Bras Cienc. 1983 Jun;55(2):209-11.
A simple and reliable method for the measurement of sodium and potassium in blood serum without any sample dilution by using flow injection and atomic absorption spectrophotometry is described. A sample throughout of 100 measurements per hour is possible. Matrix problems have not been encountered. The coefficient of variation for within-run determinations is about 1,14 and 2,36% for sodium and potassium, respectively, in serum samples (n = 10). The method is easily adaptable to pediatric research, because of the low required sample volume of 5 microliter.
描述了一种简单可靠的方法，该方法通过流动注射和原子吸收分光光度法测量血清中的钠和钾，无需对样品进行任何稀释。每小时可进行100次测量。未遇到基质问题。血清样品（n = 10）中钠和钾的批内测定变异系数分别约为1.14%和2.36%。由于所需样品体积低至5微升，该方法易于应用于儿科研究。
