Thesis (B.S.)--Massachusetts Institute of Technology, Dept. of Chemistry, 1912.MIT copy bound with: Analysis of gas blacks / Frank D. Bishop -- Identification of certain coal tar dyes used in coloring foods / Hattie D. F. Haub -- A rapid volumetric method for tan analysis / M. W. Hedden -- A study of the so-called false equilibrium between selenium and hydrogen / Walter H. J. Taylor -- An investigation of methods recently proposed for the determination of tin in canned food products / E. B. Wettengel.