Znn3bq.jpeg
²é¿´: 581  |  »Ø¸´: 7
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£
¡¾Óн±½»Á÷¡¿»ý¼«»Ø¸´±¾Ìû×Ó£¬²ÎÓë½»Á÷£¬¾ÍÓлú»á·ÖµÃ×÷Õß tingting888 µÄ 1 ¸ö½ð±Ò
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

tingting888

Òø³æ (ÕýʽдÊÖ)

[½»Á÷] Çë½Ì¸ÉÔïä寸µÄÖÆ·¨£¿

ÓûÓÃNaBr+MnO2+H2SO4¼ÓÈÈ·´Ó¦ÖÆÈ¡¸ÉÔïµÄBr2.ÓÃŨÁòËá¸ÉÔï
Çë½Ì´ó¼ÒÏêϸµÄ²Ù×÷²½Ö裿×îºÃÓÐͼлл´ó¼Ò
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

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

lijingfeng2003

ÄǸöÊÇÖÆ±¸ÂÈÆøµÄʵÑ飬¼õÉÙÂÈÆøÓëË®µÄ·´Ó¦£¬Õâ¸ö¿ÉÒÔÓÃÓÐäåÀë×ӵķǻ¹Ô­ÐÔÑÎÈÜÒºÎüÊÕ
5Â¥2008-07-28 09:00:12
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 8 ¸ö»Ø´ð

lijingfeng2003

¡ï ¡ï ¡ï
tingting888(½ð±Ò+3,VIP+0):ÇëÎÊ¿ÉÒÔÓñ¥ºÍʳÑÎË®ÎüÊÕHBRÂð£¿
²úÎïÖÐÓÐHBrºÍBr2ºÍË®£¬Ê×ÏÈÒª³ýÈ¥HBr£¬È»ºó¸ÉÔï¡£HBr¼«Ò×ÈÜÓëË®£¬Br2ÔÚË®ÖÐÈܽâ¶ÈºÜС£¬¿ÉÒÔÓÃË®ÎüÊÕHBr£¬È»ºóÓÃH2SO4¸ÉÔï³ýË®²»ÖªµÀÂ¥Ö÷¾õµÃÔõôÑù
2Â¥2008-07-26 08:12:38
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lijingfeng2003

¡ï
tingting888(½ð±Ò+1,VIP+0):xлл£¬ÇëÎÊ»¹ÓÐÄÄЩעÒâÊÂÏ
±¾ÊµÑé²»ÄܼîÎüÊÕHBrСÐÄ
3Â¥2008-07-26 08:14:10
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lijingfeng2003

ûÓÐÆäËûµÄ×¢ÒâÊÂÏîÁË£¬¾ÍÊDz»ÄÜÓüîÎüÊÕ
4Â¥2008-07-28 08:56:48
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] Çóµ÷¼Á +14 ÕÅ·¬ÇѲ»³´µ° 2026-04-10 15/750 2026-04-12 09:49 by ÄæË®³Ë·ç
[¿¼ÑÐ] 22ר˶Çóµ÷¼Á +6 haoyunÉϰ¶ 2026-04-11 8/400 2026-04-11 23:21 by labixiaoqiao
[¿¼ÑÐ] 271Çóµ÷¼Á +21 2261744733 2026-04-11 21/1050 2026-04-11 20:19 by Angchemist
[¿¼ÑÐ] ¼ÆËã»ú11408£¬286·ÖÇóµ÷¼Á +10 ľ×ÓÄî•„ 2026-04-05 10/500 2026-04-11 10:44 by zhq0425
[¿¼ÑÐ] 293Çóµ÷¼Á +6 ÓÂÔ¶¿â°®314 2026-04-08 6/300 2026-04-11 10:08 by zhq0425
[¿¼ÑÐ] »¯Ñ§¹¤³ÌÓë¼¼Êõ324µ÷¼Á +23 Ëï³£»ª 2026-04-09 25/1250 2026-04-11 00:07 by ÆïÅ£¶Éº®½­
[¿¼ÑÐ] ²ÄÁÏÀà284µ÷¼Á +40 Ïë»»ÊÖ»ú²»Ïë½âÊ 2026-04-08 48/2400 2026-04-10 23:28 by 314126402
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÄÏÀí¹¤´óѧ331·Ö²ÄÁÏÇóµ÷¼Á +9 ÌìÏÂww 2026-04-09 9/450 2026-04-10 22:58 by Ftglcn90
[¿¼ÑÐ] Çóµ÷¼Á +5 ²»»á·ÉµÄÓã@ 2026-04-10 5/250 2026-04-10 19:07 by chemisry
[¿¼ÑÐ] Ò»Ö¾Ô¸¾©Çø985£¬085401£¬Óë±¾¿Æ×¨ÒµÒ»Ö£¬µç×ÓÐÅÏ¢¹¤³Ì£¬ +4 Ñô¹â¿ªÀʵÄÄк¢ 2026-04-10 4/200 2026-04-10 18:27 by shenrf
[¿¼ÑÐ] ½­ËÕ´óѧ ¹¤¿Æµ÷¼Á ¼ñ© +3 Evan_Liu 2026-04-09 5/250 2026-04-10 10:22 by Evan_Liu
[¿¼ÑÐ] ²ÄÁÏר˶µ÷¼Á +16 ¹þ¹þ¹þºðºðºð¹þ 2026-04-07 17/850 2026-04-09 21:16 by wutongshun
[¿¼ÑÐ] ¿¼Ñе÷¼Á-²ÄÁÏÀà-284 +28 Ïë»»ÊÖ»ú²»Ïë½âÊ 2026-04-08 28/1400 2026-04-09 20:08 by µ¹Êý321?
[¿¼ÑÐ] 086004 Çóµ÷¼Á 309 +7 Yin DY 2026-04-08 7/350 2026-04-09 13:59 by Delta2012
[¿¼ÑÐ] 085801 ×Ü·Ö275 ±¾¿ÆÐÂÄÜÔ´ Çóµ÷¼Á +8 bradoner 2026-04-08 9/450 2026-04-09 13:43 by onlyÖÜ
[¿¼ÑÐ] 307Çóµ÷¼Á +14 ³¬¼¶ÒÁ°º´óÍõ 2026-04-06 14/700 2026-04-08 07:03 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] Çó¿¼ÑвÄÁϵ÷¼Á +3 ²Ä»¯Àî¿É 2026-04-07 3/150 2026-04-08 00:21 by JourneyLucky
[¿¼ÑÐ] ²ÄÁÏÇóµ÷¼Á +18 Ò»ÑùYWY 2026-04-05 18/900 2026-04-07 15:49 by dxlg
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +11 Ò»ÑùYWY 2026-04-07 11/550 2026-04-07 15:13 by shdgaomin
[¿¼ÑÐ] 283Çóµ÷¼Á +5 baiiyu 2026-04-05 6/300 2026-04-05 20:35 by à£à£à£0119
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û