3155.     SEKITO, S.  [X-Ray Analysis of the Cementite Obtained by ‘Tempering Quenched Steels.]  Sci. Repts. Tôhoku Imp. Univ., vol. 20, 1931, pp. 313-322; Chem. Abs., vol. 25, 1931, p. 4833.

        Method and technique are described for obtaining the quantitative measurement of cementite by X-ray analysis.