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1.ÈçºÎÓÃÀʸñçѶû·½³Ì²âµÃ½âÀë³£Êý
2.ÈçºÎµÃµ½PKµÄֱΪ2.9ºÍ12.7
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ÎÒÊǵ绯ѧµÄ³õѧÕߣ¬ÕâÊÇÀÏʦÈÃÎÒ¿´µÄµÚһƪÎÄÏ×£¬ÈÃÎÒ¸ù¾ÝÏÂͼµ½´¦PKΪ2.9ºÍ12.7µÄ¼ÆËã¹ý³Ì£¬ÎÒ¿´ÁË¿ÉÊÇÎÒʵÔÚÊǸ㲻¶®Ñ½£¬ÔÚÕâÀïÏò´ó¼ÒÇóÖú£¬Ï£ÍûÄܵõ½´ó¼ÒµÄ°ïÖú£¬¼¯Ë¼¹ãÒæ£¬ÍŽá¾ÍÊÇÁ¦Á¿......
dissociation constants can be estimated from the constants of the Langmuir equation.'Thus, pK values of 2.9 and 12.7 were calculated for the relatively strong and the weaksurface acids, respectively. Using direct potentiometric titration techniques, Schindler has estimated a pK of 5.5 k0.4 for the stronger acids of the same anatase (P 25) ;he, too, finds two dissociation steps.

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