By Shyama P. Sinha (Auth.)
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Additional resources for Complexes of the Rare Earths
474) Ce4+ ion is found to form extremely stable complexes with sodium gluconate in basic solution. Spectrophotometric studies indicate that initially a polymeric species containing six Ce4+ ions per gluconate ion is formed. (475) The polymeric species of Ce4+ gluconate slowly hydrolyze to give stable 1: 1 complex as inferred from continuous variation and optical rotation data. 52 COMPLEXES OF THE RARE EARTHS However, the mole ratio method points out that the stable species contains two Ce4+ ions per gluconate ion.
28. BARBIERI and CALZOLARI, Atti. R. Acad. Lincei. 20, 164 (1911). WILKE-DORFURT and SCHLIEPHAKE, Z. anorg. Chem. 170, 129 (1928). DUTTA and MUKHERJEE, / . Indian Chem. Soc. 30, 272 (1953). DUTTA and GOSWAMI, J. Indian Chem. Soc. 30, 275 (1953). SINHA, Z. Naturforschg. 20a, 552 (1965), ibid. 20a, N o . 12 (1965). 8) N O - i n nitrates/ · - · » SO|~ in sulfates, (4a6 417) (418) ClOj in perchlorates ' and VO3 in vanadates. The stability constants for these complexes may be found in the references given.
Chem. Soc. 1963, 107; / . Inorg. Nucl. Chem. 26, 579 (1964). 11. LOBANOV and SAMIRNOVA, RUSS. J. Inorg. Chem. 8, 1154 (1963). 12. LOBANOV and SAMIRNOVA, RUSS. J. Inorg. Chem. 8, 1155 (1963). 13. S. Patent 3027391, March 27th, 1962. 14. PLYUSHCHEV and SHKLOVER, RUSS. J. Inorg. Chem. 9, 183 (1964). 15. SHKLOVER and PLYUSHCHEV, RUSS. J. Inorg. Chem. 9, 186 (1964). 16. MATIGNON, Ann. Chem. Phys. 8, 433 (1906). 17. RYABCHIKOV and TERENTEVA, Dokl. Akad. Nauk SSSR (quoted in ref. 21). 18. SEREBRENNIKOV, TYCHINSKAYA and CHUPAKHINA, Trudy Tomsk.
Complexes of the Rare Earths by Shyama P. Sinha (Auth.)