最近根据有关文献,以及H.N.S与J.P.Stenn的建议,钢中微量铝的测定,可在磁性介质中在硼酸存在下使铝与缺等分离,借此,可直接进行络合滴定。通过试验证明,此法无论就准确度以及再现性方面,均较满意,可用于生产。一、测量范围本法适于测定0.0026～1.5%。 Recently, according to the literature, as well as H. N. and J. P. Stein, the determination of trace aluminum in steel can be performed in a magnetic medium in the presence of boric acid to separate the aluminum from the other, whereby direct complexometric titration can be performed. The test proved that this method, both in terms of accuracy and reproducibility, are more satisfactory and can be used for production. First, the measurement range This method is suitable for determination 0.0026 ~ 1.5%.