Methods for the preparation and use of spectrographic standards for the analysis of magnesium and aluminum are discussed, and a method of preparation described. Methods of analysing the standards for homogeneity and composition are included.
L. R. Pittwell, "Standards for the Spectrographic Analysis of Magnesium, it's Alloys and Some Aluminum Alloys," Appl. Spectrosc. 11, 67-73 (1957)