Znn3bq.jpeg
²é¿´: 2320  |  »Ø¸´: 20

·Ü·¢µÄÄÈÄÈ

Í­³æ (³õÈëÎÄ̳)

ÒýÓûØÌû:
17Â¥: Originally posted by gaoyouya at 2015-10-14 13:26:47
ÄãÃÇÓõÄÊÇʲôÖù×Ó£¬Á÷¶¯ÏàµÄpHÖµÊǶàÉÙ£¿ÒòΪÎÒÏÖÔÚÓõÄÕâ¸ùÖù×ÓpHÒªÇóÊÇ1-3....

ÎҼǴíÁË£¬ÊÇ0.01mol/LÁ×Ëá¶þÇâ¼ØÈÜÒº(ÓÃÁ×Ëáµ÷½ÚpHÖÁ2.50)ºÍÒÒëæÎªÁ÷¶¯Ï࣬C18³¤Öù×Ó£¬Õâ¸ö·½·¨Ò²²»Ì«ºÃ£¬³ö·å±È½ÏС£¬±£Áôʱ¼äÌØ±ð¿¿Ç°£¬µ±Ê±Ã»ÓкúÃÃþ·½·¨¡£Äã¿ÉÒÔÔÙÊÔÊÔ¡£
21Â¥2015-10-15 09:01:19
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ gaoyouya µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 291Çóµ÷¼Á +9 ¹ØÒä±±. 2026-04-14 9/450 2026-04-16 22:49 by cfdbai
[¿¼ÑÐ] »¯Ñ§070300 Çóµ÷¼Á +28 ¹þ¹þ¹þ^_^ 2026-04-12 28/1400 2026-04-16 21:36 by ´óÁ¦Ë®ÊÖÁ¦´óÎÞÇ
[¿¼ÑÐ] 0854Çóµ÷¼Á +21 ÃÅ·ÃþÃþ 2026-04-15 24/1200 2026-04-16 21:24 by Art1977
[¿¼ÑÐ] 297£¬¹¤¿Æµ÷¼Á?ºÓÄÏũҵ´óѧ±¾¿Æ +14 ºÓÄÏũҵ´óѧ-ÄÜ 2026-04-14 14/700 2026-04-16 14:41 by dingyanbo1
[¿¼ÑÐ] Çóµ÷¼Á +11 СÄô°®Ñ§Ï° 2026-04-11 15/750 2026-04-15 21:57 by noqvsozv
[¿¼ÑÐ] 297£¬¹¤¿Æµ÷¼Á? +10 ºÓÄÏũҵ´óѧ-ÄÜ 2026-04-14 10/500 2026-04-15 21:50 by noqvsozv
[¿¼ÑÐ] ҩѧÇóµ÷¼Á +11 RussHu 2026-04-12 13/650 2026-04-15 19:07 by zhuwenxu
[¿¼ÑÐ] ÉúÎïѧµ÷¼Á +9 Ö½ÉÈzhishan 2026-04-13 9/450 2026-04-15 18:28 by ANÁ÷800
[¿¼ÑÐ] ²ÄÁϹ¤³Ì281»¹Óе÷¼Á»ú»áÂð +43 xaw. 2026-04-11 44/2200 2026-04-15 12:46 by Î÷±±Íû¡ª·çɳ
[¿¼ÑÐ] µ÷¼Á +12 ÔÂ@163.com 2026-04-11 12/600 2026-04-14 15:37 by zs92450
[¿¼ÑÐ] Ò»Ö¾Ô¸»¦9£¬326ÇóÉúÎïѧµ÷¼Á +10 Áõīī 2026-04-13 10/500 2026-04-14 15:16 by zs92450
[¿¼ÑÐ] ¿¼Ñе÷¼Á +13 ³¤¹­°Á 2026-04-13 14/700 2026-04-14 14:44 by zs92450
[¿¼ÑÐ] 105500ҩѧÇóµ÷¼Á +4 x_skys 2026-04-12 4/200 2026-04-14 13:37 by rndfc
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤349·ÖÇóµ÷¼Á +16 Àîľ×Ó°¡¹þ¹þ 2026-04-12 17/850 2026-04-14 09:11 by fenglj492
[¿¼ÑÐ] 297¹¤¿Æ£¬Çóµ÷¼Á? +13 ºÓÄÏũҵ´óѧ-ÄÜ 2026-04-12 13/650 2026-04-13 14:12 by dingyanbo1
[¿¼ÑÐ] ¡£ +10 Àî¶àÃ×lee. 2026-04-12 11/550 2026-04-12 22:58 by yuyin1233
[¿¼ÑÐ] 326Çóµ÷¼Á +6 Shansyn 2026-04-10 6/300 2026-04-12 09:46 by hammer3
[¿¼ÑÐ] 270Çóµ÷¼Á +14 ÑîÀÖ369 2026-04-11 14/700 2026-04-11 20:16 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤329·ÖÇóµ÷¼Á +16 Ò¶zilin 2026-04-10 16/800 2026-04-11 11:04 by may_ÐÂÓî
[¿¼ÑÐ] 0858Çóµ÷¼Á 5+5 Gky09300550£¬ 2026-04-10 8/400 2026-04-10 19:13 by chemisry
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û