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应用原子吸收法测定钢铁中的锰在国内外的实践中证明,由于其试样用酸分解后,稀释至一定的浓度,不需使用其它试剂就可以进行喷测,因此,它比应用化学法具有更简便、快速、经济等优点。我们对原子吸收法测定钢铁中锰的条件(即空气—乙炔比)、各种酸的影响、基体铁的干扰及其消涂等进行了试验研究,确定了适宜的测定条件,对钢铁中含0.20％～1.50％锰的测定,获得满意的结果,现就实验研究情况报导如下:
Determination of manganese in iron and steel by atomic absorption spectrophotometry has been proved in practice at home and abroad. Since the sample is acid-decomposed and diluted to a certain concentration, it can be sprayed without using other reagents. Therefore, With more simple, fast, economical and other advantages. We have carried out experimental studies on the determination of manganese in iron and steel (ie, air-acetylene ratio) by atomic absorption spectrometry, the influence of various acids, the interference of matrix iron, and the elimination of manganese. The suitable measuring conditions were determined, 0.20% ~ 1.50% of manganese determination, to obtain satisfactory results, the experimental study reported the following: