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bangchui
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zhouchen8388(½ð±Ò+1,VIP+0): 8-12 11:30
zhouchen8388(½ð±Ò+1,VIP+0): 8-12 11:30
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The ions Zr4+, Hf4+ and Rf4+ are large enough to form [M(H2O)8]4+ but hydrolysis and polymerization yield mainly the inert [quadro-{M(¦Ì¨COH)2- (H2O)4}4]8+ or ¡°MO2+ ⋅ 5H2O¡± (at least for Zr and Hf), even when c(MIV) is < 1 cM or mM and c(H3O+) is > 1 M. Lowering the acidity may lead to [{M(OH)(¦Ì¨COH)2(H2O)3}4]4+ by loss of H+. ÕâÑùµÄ»°£¬Ëƺõ 1 M µÄÑÎËáÒ²²»Äܹ»Èܽâ 1 cM µÄZr4+ ÒÔÉÏ×ÊÁÏÀ´×Ô inorganic reactions in water |
2Â¥2009-08-12 11:14:55
jqwang94511
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3Â¥2009-08-12 11:17:06
¶«Ä¾3336
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zhouchen8388(½ð±Ò+1,VIP+0): 8-12 15:19
zhouchen8388(½ð±Ò+1,VIP+0): 8-12 15:19
|
Õâ¸öÕæ²»ÖªµÀ ²»¹ýÄØ ÄãÖÆµÄZr(OH)4 Ó¦¸ÃʹÓÃÑκͼî ÄãÒªÊǼî¼ÓµÄÉÙ ÄDz»ÊdzÁµí²»ÍêÈ«°¡ |
4Â¥2009-08-12 15:14:39
wangkt
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5Â¥2009-08-12 15:53:50















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