NOTES 1669
Vol. 7, No. 8,August 1968 ing sodium chloride and shown to have visible, ultraviolet, and infrared spectra identical with those of an authentic sample of [ C O ( N H ~ ) ~ C N ] C The I ~ . ionexchange technique permitted a quantitative evaluation of the amounts of Co(NH3)&+and Co(NH8)bCN2+formed in the reaction as indicated in Table 111. Small amounts (