Summary bility results may be explained by assuming three complex ions, namely, CuHR++, CUR+ and CuR2. The equilibrium constants for the reaction of cupric ion and the amino acids to form the above complex ions have been evaluated. alanine solutions has been determined. The solu-DAVIS, CALIFORNIA REcQIvEn JUNE 30, 1947 The solubility of cupric iodate in glycine and in
