£¨2010?ÄÏͨģÄ⣩ij»¯Ñ§Ñо¿ÐÔѧϰС×éͨ¹ý²éÔÄ×ÊÁÏ£¬Éè¼ÆÁËÈçͼËùʾµÄ·½·¨ÒÔº¬Äø·Ï´ß»¯¼ÁΪÔÁÏÀ´ÖƱ¸NiSO
4?7H
2O£®ÒÑ֪ij»¯¹¤³§µÄº¬Äø´ß»¯¼ÁÖ÷Òªº¬ÓÐNi£¬»¹º¬ÓÐAl£¨31%£©¡¢Fe£¨1.3%£©µÄµ¥Öʼ°Ñõ»¯ÎÆäËû²»ÈÜÔÓÖÊ£¨3.3%£©£®
²¿·ÖÑôÀë×ÓÒÔÇâÑõ»¯ÎïÐÎʽÍêÈ«³ÁµíʱµÄpHÈçÏ£º
³ÁµíÎï |
Al£¨OH£©3 |
Fe£¨OH£©3 |
Fe£¨OH£©2 |
Ni£¨OH£©2 |
pH |
5.2 |
3.2 |
9.7 |
9.2 |
»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©²Ù×÷a¡¢cÖÐÐèʹÓõÄÒÇÆ÷³ýÌú¼Ų̈£¨´øÌúȦ£©¡¢¾Æ¾«µÆ¡¢ÉÕ±¡¢²£Á§°ôÍ⻹ÐèÒªµÄÖ÷ÒªÒÇÆ÷Ϊ
©¶·¡¢Õô·¢Ãó
©¶·¡¢Õô·¢Ãó
£®
£¨2£©¡°¼î½þ¡±¹ý³ÌÖз¢ÉúµÄÀë×Ó·½³ÌʽÊÇ
2Al+2OH-+2H2O¨T2AlO2-+3H2¡ü¡¢Al2O3+2OH-¨T2AlO2-+3H2O
2Al+2OH-+2H2O¨T2AlO2-+3H2¡ü¡¢Al2O3+2OH-¨T2AlO2-+3H2O
£®
£¨3£©¡°Ëá½þ¡±Ê±Ëù¼ÓÈëµÄËáÊÇ
H2SO4
H2SO4
£¨Ìѧʽ£©£®Ëá½þºó£¬¾²Ù×÷a·ÖÀë³ö¹ÌÌå¢Ùºó£¬ÈÜÒºÖпÉÄܺ¬ÓеĽðÊôÀë×ÓÊÇ
Ni2+¡¢Fe2+
Ni2+¡¢Fe2+
£®
£¨4£©²Ù×÷bΪµ÷½ÚÈÜÒºµÄpH£¬ÄãÈÏΪpHµÄ×î¼Ñµ÷¿Ø·¶Î§ÊÇ
3.2-9.2
3.2-9.2
£®
£¨5£©¡°µ÷pHΪ2¡«3¡±µÄÄ¿µÄÊÇ
·ÀÖ¹ÔÚŨËõ½á¾§¹ý³ÌÖÐNi2+Ë®½â
·ÀÖ¹ÔÚŨËõ½á¾§¹ý³ÌÖÐNi2+Ë®½â
£®
£¨6£©²úÆ·¾§ÌåÖÐÓÐʱ»á»ìÓÐÉÙÁ¿ÂÌ·¯£¨FeSO
4?7H
2O£©£¬ÆäÔÒò¿ÉÄÜÊÇ
H2O2µÄÓÃÁ¿²»×㣨»òH2O2ʧЧ£©¡¢±£ÎÂʱ¼ä²»×ãµ¼ÖÂFe2+δ±»ÍêÈ«Ñõ»¯Ôì³ÉµÄ
H2O2µÄÓÃÁ¿²»×㣨»òH2O2ʧЧ£©¡¢±£ÎÂʱ¼ä²»×ãµ¼ÖÂFe2+δ±»ÍêÈ«Ñõ»¯Ôì³ÉµÄ
£®