Few changes that have been standardized and approved since publication

Names employed in the cumulative subject index for Volumes I to VI are based upon those adopted in Volume II (Appendix, page 257) with a few changes that have been standardized and approved since publication of Volume II. No major changes seemed to be required for general conformity with the Definitive Rules for Nomenclature of Inorganic Chemistry, 1957 Report of the Commission on the Nomenclature of Inorganic Chemistry of the International Union of Pure and Applied Chemistry. 

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