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Synthesis and Characterization of Hydrotalcite-like[Cd_xMg_(6-x)Al_2(OH)_(16)] ̄(2+)[S·2H_2O] ̄(2-)

BAO Yu-Min;LI Lian -Sheng ;MA Shu-Jie;XIONG De-Cheng;FU Ge-Yan;FENG Shou -Hua;XU Ru-Ren(Key Laboratory of Inorganic Hydrothermal Synthesis ,Jilin Uniuersity,Changchun,130023)  
Hydrotalcite-like [Cd_xMg_(6-x)Al_2(OH)_16] ̄2+[S·2H_2O] ̄2-was synthesized hydrothermally and characterized by means of XRD,FT-IR,DTA-TG etc.,The influence of pH,Cd ̄2+ ionic concentration and sulphuration time on the synthesis was studied.The synthetic optimal conditions are pH=9~10,[Cd ̄2+]/[Mg2+]=1:5~1:9 and sulphuration time 5 min. It is suggested that Mg ̄2+ ions can be only partially substituted by Cd ̄2+ ions in the hydrotalcite-like.
【Fund】: 国家自然科学基金
【CateGory Index】: O614
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