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92link

Ìú³æ (СÓÐÃûÆø)

[½»Á÷] ÇëÎÊͼÖжÔÓ¦µÄ490 520 960 1125µÄ·å·Ö±ð¶ÔÓ¦µÄʲô£¿

Õâ¸öÊÇË®ÈȺϳÉTS-1µÄ×ÏÍâÀ­ÂüÆ×ͼ¡£ÂÛÎÄÖÐÖ»½²1125¹éÊôΪîѽøÈë·Ðʯ¹Ç¼ÜµÄÖ¤¾Ý£¬ÆäÓ༸¸ö·å¶¼¶ÔÓ¦µÄʲô£¿ÎÒ¿´ÎÄÏױȽÏÉÙ²»ÊǺÜÇå³þ£¬Âé·³½â´ðÏ£¡
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shshen

½ð³æ (ÕýʽдÊÖ)

The Raman bands at 490, 520, and 1125 cm-1 in the UV-Raman spectrum of TS-1 are assigned to the bending, symmetric stretching, and asymmetric stretching vibrations of Si-O-Ti, the framework titanium species. However, the assignment of this band at 960cm-1 is controversial.
Angew. Chem., Int. Ed. Engl. 1999, 38, 2220.
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[ Last edited by shshen on 2009-5-9 at 05:12 ]
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