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Mössbauer Spectroscopic Studies of K 2 SnCl 6 and SnCl 4 ·5H 2 O in Frozen Aqueous Solutions and in Ion Exchange Resins
Author(s) -
Cheng H. S.,
Hsu C. M.,
Uen T. M.,
Tseng P. K.
Publication year - 1984
Publication title -
journal of the chinese chemical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.329
H-Index - 45
eISSN - 2192-6549
pISSN - 0009-4536
DOI - 10.1002/jccs.198400031
Subject(s) - chemistry , tin , aqueous solution , chloride , ion exchange , inorganic chemistry , ion , ion exchange resin , hydrolysis , nuclear chemistry , organic chemistry
Concentration dependence of isomer shift of K 2 SnCl 6 and tin(IV) chloride was studied. Tin was hydrolyzed in both cation and anion exchange resins after water washing. Two pairs of these two solutions showing the same isomer shift values, and therefore the same , were selected for further studies in HCl solutions and in anion exchange resins. The first pair was 0.04 M K 2 SnCl 6 and tin(IV) chloride solutions (δ=0.00 mm/s ; =0): Their δ‐[HCl] curves coincided each other. Tin was sorbed on anion exchange resin as pentachlorstannate(IV) at (HCl)≤6 N , and chiefly as hexachlorostannate(IV) at [HCl]≥7 N. The both complexes were sorbed when 6 N < [HCl] < 9 N . The δ‐[HCl] curves of the second pair, 0.4 M K 2 SnCl 6 and 3 M tin(IV) chloride(δ =0.23 mm/s; =3), also coincided each other, and tin was sorbed as pentachlorostannate(IV) from K 2 SnCl 6 solutions in the HCl concentration range studied (≥5 N ).