Znn3bq.jpeg
²é¿´: 2235  |  »Ø¸´: 6
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

hzhiding

Ìú¸Ëľ³æ (ÕýʽдÊÖ)

[½»Á÷] ¡¾ÇóÖú¡¿ÏõËáÌúÈÜÒºµÄÅäÖÆÎÊÌâ

ÓÃFe(NO3)3.9H2OÅäÖÆ250ºÁÉý0.1mol/LµÄÏõËáÌúÈÜҺʱ,ΪÁË·Àֹˮ½â£¬ÎÒ¼ÓÁË2.5mlµÄŨÏõËᣬ½á¹û·¢ÏÖÈÜÒºÑÕÉ«ÓÉ»ÆÉ«ÎªÎÞÉ«¡£ÇëÎÊ£¬ÕâÊÇʲôԭÒò£¿
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

zhongqiu52

½ð³æ (СÓÐÃûÆø)

¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
µ«ÊÇÓÉÓÚÔÚͨ³£pHÌõ¼þÏ£¬Ë®ºÏFe3+Àë×Ó¼«Ò×Ë®½â£¬²¿·ÖË®½âµÄ²úÎïFe(OH)2+µÈôÇ»¯ÎïºÍôÇÑõ»¯ÎïÖУ¬OH-ºÍO2-×÷ΪÅäÌ壬ÆäÅäλ³¡Ð§Ó¦·Ç³£Ç¿£¬Ê¹µÃFe3+µÄ3dÄܼ¶·¢Éú¸Ä±ä£¬³Ê»ÆÉ«ºÍ»ÆºÖÉ«£¬Ò²Ê¹µÃÈÜÒº³ÊÏÖ»ÆÉ«£¬¼ÓÈëÏõËáÒԺ󣬽µµÍÁËÌúÀë×ÓµÄË®½â×÷Óã¬ÈÜÒº±äΪÎÞÉ«¡£
7Â¥2009-09-19 18:23:07
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 7 ¸ö»Ø´ð

ÌÀÌÀÅÝ·¹

ľ³æ (ÖøÃûдÊÖ)

ºöºö¼Ò×åºöºöÆ®

¡ï ¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
heavence007(½ð±Ò+1,VIP+0):ллӦÖú 9-10 00:31
Ã²ËÆ·Àֹˮ½âÒª¼ÓÈëÏ¡µÄÏõËá
²»ÒªÅÊ£¬²»Òª±È£¬²»Òª×Ô¼ºÆø×Ô¼º£¡ ºöºö~~~~~~~~~~~~~~~
2Â¥2009-09-09 16:26:22
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

huyc1970

½ð³æ (ÕýʽдÊÖ)

¡ï ¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
heavence007(½ð±Ò+1,VIP+0):ллӦÖú 9-10 00:32
Fe(NO3)3ÈÜÒºµÄÑÕÉ«±¾À´¾ÍÓ¦¸ÃÊÇÎÞÉ«µÄ£¡²»ÒªÈÏΪFe3+ÈÜÒº¾üΪ»ÆÑÕÉ«£¬Ö»ÓÐÎÒÃdz£ÓõÄFeCl3Ë®ÈÜÒº²ÅÊÇ»ÆÑÕÉ«µÄ£¡
3Â¥2009-09-09 23:51:25
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

jacky1986

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

¡ï ¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
heavence007(½ð±Ò+1,VIP+0):ллӦÖú 9-10 00:32
Â¥Ö÷È·¶¨±ä³ÉÎÞÉ«ÁË£¿ÏõËáÌúȷʵӦ¸ÃÊÇר»ÆÉ«£¬¼ÓÈëŨÏõËáºó²»Ó¦¸ÃÓÐʲôÆäËûµÄ»¯Ñ§±ä»¯¡£
4Â¥2009-09-10 00:09:49
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 327Çóµ÷¼Á +5 ʰ¹âÈÎȾ 2026-04-06 5/250 2026-04-12 02:29 by Çï¶¹²ËÑ¿
[¿¼ÑÐ] 085404 293Çóµ÷¼Á +9 ÓÂÔ¶¿â°®314 2026-04-08 9/450 2026-04-12 02:24 by Çï¶¹²ËÑ¿
[¿¼ÑÐ] ҩѧ305Çóµ÷¼Á +8 Â꿨°Í¿¨boom 2026-04-10 8/400 2026-04-12 00:07 by zhouwenxian
[¿¼ÑÐ] 284Çóµ÷¼Á +11 archer.. 2026-04-09 12/600 2026-04-11 20:23 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 283Çóµ÷¼Á 086004¿¼Ó¢¶þÊý¶þ +17 ÄǸöàà×Ó 2026-04-10 18/900 2026-04-11 16:27 by Ã÷Ô´ËʱÓÐ
[¿¼ÑÐ] 285Çóµ÷¼Á +8 ¶ñ·¨´ó¶þµÄÆøÎ¶ß 2026-04-05 11/550 2026-04-11 11:28 by ×ÏêØ×ÏÆå
[¿¼ÑÐ] 283Çóµ÷¼Á£¬¹¤¿Æ£¡ +12 ËÕ´òË®7777 2026-04-08 12/600 2026-04-11 10:28 by ÄæË®³Ë·ç
[¿¼ÑÐ] 281Çóµ÷¼Á +11 ¾õµÃºÃµÄ°É 2026-04-10 11/550 2026-04-11 09:35 by ÄæË®³Ë·ç
[¿¼ÑÐ] µ÷¼Á +19 СÕÅZA 2026-04-10 20/1000 2026-04-10 22:08 by Öí»á·É
[¿¼ÑÐ] 314Çóµ÷¼Á +18 xhhdjdjsjks 2026-04-09 19/950 2026-04-10 18:53 by HPUCZ
[¿¼ÑÐ] 266Çóµ÷¼Á +29 ÑôÑôÍÛÈû 2026-04-07 29/1450 2026-04-10 16:20 by ¸ßά´º
[¿¼ÑÐ] »úеר368 ÓÐÈ¥´¦Âð +4 ÖÖ´óÊ÷ 2026-04-10 4/200 2026-04-10 15:31 by jiajinhpu
[¿¼ÑÐ] 344Çóµ÷¼Á +7 ؼ·çѩҹ¹éÈËØ¼ 2026-04-09 7/350 2026-04-10 12:05 by pengliang8036
[»ù½ðÉêÇë] Óб¬ÁÏ£¬Ò»¸öÇàÄê½ÌʦÂô·¿µÃ400Íò£¬È»ºó»»ÁËÒ»¸öËÄÇàñ×Ó +9 babu2015 2026-04-08 9/450 2026-04-10 11:43 by ËÕ¶«ÆÂ¶þÊÀ
[¿¼ÑÐ] 265Çóµ÷¼Á +4 ·ç˵ËýÔçÍüÁË 2026-04-07 4/200 2026-04-09 13:59 by onlyÖÜ
[¿¼ÑÐ] Çóµ÷¼Á +3 ÖíÈâ¶Õ·ÛÌõcc 2026-04-08 4/200 2026-04-09 10:05 by ÖíÈâ¶Õ·ÛÌõcc
[¿¼ÑÐ] 286Çóµ÷¼Á +19 Faune 2026-04-08 20/1000 2026-04-09 08:36 by ŶŶ123
[¿¼ÑÐ] ¿¼Ñе÷¼Á +3 WwwwwwwÍÛ 2026-04-06 3/150 2026-04-06 20:55 by lbsjt
[¿¼ÑÐ] Çóµ÷¼Áµ½²ÄÁÏ +5 ³Ì9915 2026-04-06 5/250 2026-04-06 15:21 by yulian1987
[¿¼ÑÐ] 283Çóµ÷¼Á +5 baiiyu 2026-04-05 6/300 2026-04-05 20:35 by à£à£à£0119
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û