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Preparation of 113 Sn 2+ and 113 Sn 4+ compounds
Author(s) -
Hiles Richard A.
Publication year - 1973
Publication title -
journal of labelled compounds
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.432
H-Index - 47
eISSN - 1099-1344
pISSN - 0022-2135
DOI - 10.1002/jlcr.2590090111
Subject(s) - oxidizing agent , hydrochloric acid , chemistry , antimony , hydrogen peroxide , inorganic chemistry , yield (engineering) , valence (chemistry) , metal , indium , tin , nuclear chemistry , radiochemistry , materials science , organic chemistry , metallurgy
Abstract A need for valence‐pure 113 Sn 2+ and 113 Sn 4+ compounds required the development of the methods reported in this communication. Commercially available 113 Sn comes either as metallic Sn which is contaminated with isotopes of Sn as well as with antimony and indium or as a hydrochloric acid solution of 113 SnCl 4 plus some 113 SnCl 2 . The procedures reported here yield a chemically atable powder of 113 SnSO 4 which is greater than 98% in the Sn 2+ form. There are two major advantages in preparing the 113 SnSO 4 . First, many other 113 SnSO 4+ compounds can be readily prepared by oxidizing an acidic solution of 113 SnSO 4 with hydrogen peroxide with no contamination of the resulting Sn 4+ solution with oxidising agent. In contrast, the reduction of Sn 4+ to 2+ salts is not easily accomplished. Second as polarographic evidence indicates, sulfate is a very weak complexer of Sn and thus many new salts of Sn can be prepared simply by mixing a selected new anion in to a solution containing 113 SnSO 4 .