Znn3bq.jpeg
²é¿´: 350  |  »Ø¸´: 5
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

aivygao

[½»Á÷] ÇóÖúÒ»ÖÖ¿ìËÙ¼ò±ãÔÚ·ÖÎö·½·¨

¸÷λ¸ßÊÖ£¬Çë½ÌÓйؼì²âÏãÁÏÖÐ΢Á¿Ë®·ÖµÄ·ÖÎö·½·¨£¬´Ë·¨ÒªÇóʵÓüòµ¥·½±ã£¬ÇÒ׼ȷÂʽϸߣ¬·ÑÓÃÏà¶Ô½ÏµÍµÄ·½·¨£¬ÓÐË­Óд˷½ÃæÐÅÏ¢£¬»¹ÇëÌṩ£¬ÔÚ´Ëлл´ó¼ÒÁË¡£
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

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

aivygao

лл

ллÁË£¬»¹ÓÐûÓиü¶à·½·¨£¿
3Â¥2008-11-27 10:57:04
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 6 ¸ö»Ø´ð

wandrea

ÖÁ×ðľ³æ (ÕýʽдÊÖ)

Karl Fischer ·¨²â¶¨Ë®·Ö
·ÑÐÝÊÔ¼Á£ºI2¡¢SO2¡¢C5H5N¡¢CH3OH »ìºÏÒº
I2 + SO2 + 2H2O = 2HI + H2SO4
C5H5N¡¤I2 + C5H5N¡¤SO2 + C5H5N + H2O = 2C5H5NHI + C5H5NSO3
C5H5NSO3 + H2O = C5H5NH¡¤SO4H
C5H5NSO3 + CH3OH = C5H5NH¡¤SO4CH3
·ÇË®µÎ¶¨£¬ËùÓÐÈÝÆ÷Ðè¸ÉÔï
2Â¥2008-11-24 16:20:55
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

platto

ľ³æ (ÖøÃûдÊÖ)

Ò»Çϲ»Í¨

ÓÐË®·Ö²â¶¨Òǵġ£
ÆßÇÏͨÁËÁùÇÏ
4Â¥2008-11-27 11:16:04
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

platto

ľ³æ (ÖøÃûдÊÖ)

Ò»Çϲ»Í¨

»¹ÓУ¬Â¥Ö÷ÊǴֲ⻹ÊÇÐèÒª±È½Ï¾«È·µÄÊýÖµ¡·£¿
ÆßÇÏͨÁËÁùÇÏ
5Â¥2008-11-27 11:16:37
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] »¯Ñ§308·ÖÇóµ÷¼Á +21 ÄãºÃÃ÷ÌìÄãºÃ 2026-04-07 23/1150 2026-04-08 22:32 by ¿­¿­Òª±ä˧
[¿¼²©] ²ÄÁÏ·½Ïò¿¼²©£¬ÇóÍÆ¼ö +3 ÑÔÓïaaa 2026-04-05 4/200 2026-04-08 22:22 by nxgogo
[¿¼ÑÐ] 285Çóµ÷¼Á +12 AZMK 2026-04-05 18/900 2026-04-08 20:43 by ÄæË®³Ë·ç
[¿¼ÑÐ] Çóµ÷¼Á +9 ÔÂ@163.com 2026-04-07 11/550 2026-04-08 14:48 by qlm5820
[¿¼ÑÐ] 0854µç×ÓÐÅÏ¢319Çóµ÷¼Á£¨½ÓÊÜ¿çרҵµ÷¼Á£© +5 ÐÇÐDz»Õ£ÑÛà¶ 2026-04-05 6/300 2026-04-07 22:16 by hemengdong
[¿¼ÑÐ] 316Çóµ÷¼Á +7 yyxÏëµ÷¼Á 2026-04-05 7/350 2026-04-07 14:31 by shdgaomin
[¿¼ÑÐ] »úеר˶274Çóµ÷¼Á£¬²»ÌôרҵѧУ +6 ·º·º2333 2026-04-05 8/400 2026-04-06 18:06 by ·º·º2333
[¿¼ÑÐ] ¹¤¿Æ370Çóµ÷¼Á +3 äçÐļ弦µ° 2026-04-05 3/150 2026-04-06 10:55 by ÕâÊÇÒ»¸öÎÞÁĵÄê
[¿¼ÑÐ] 301Çóµ÷¼Á +6 ϸ°ûÏà¹Øµ°°× 2026-04-02 10/500 2026-04-06 08:34 by jp9609
[¿¼ÑÐ] 271·ÖÇóµ÷¼ÁѧУ +12 zph158488£¡ 2026-04-02 13/650 2026-04-05 10:13 by lqwchd
[¿¼ÑÐ] ²ÄÁÏ»¯¹¤306·ÖÕÒºÏÊʵ÷¼Á +14 ²×º£ÇáÖÛe 2026-04-04 14/700 2026-04-05 09:53 by ÖìÔÆ»¢202
[¿¼ÑÐ] µ÷¼Á +11 JLLLLLLLLLL 2026-04-03 11/550 2026-04-04 22:21 by hemengdong
[¿¼ÑÐ] 341Çóµ÷¼Á +3 Âå¶àÂÞ 2026-04-02 4/200 2026-04-04 21:36 by ÖÇÄÜÖÇ»Û
[¿¼ÑÐ] 324Çóµ÷¼Á +14 ÏëÉÏѧÇóµ÷ 2026-04-02 15/750 2026-04-04 20:31 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] 278Çóµ÷¼Á +3 ÒÀ¾É£¡ 2026-04-02 4/200 2026-04-04 20:27 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 342Çóµ÷¼Á +3 Liang7111 2026-04-04 5/250 2026-04-04 19:47 by dongzh2009
[¿¼ÑÐ] Çóµ÷¼Á +6 Ë·Ë·»° 2026-04-02 7/350 2026-04-04 19:16 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 297Çóµ÷¼Á +11 ljy20040718£¡ 2026-04-03 13/650 2026-04-04 09:23 by À´¿´Á÷ÐÇÓê10
[¿¼ÑÐ] 400·ÖÇóµ÷¼Á +3 ÞÏÞÎÇÒÄÓÍ· 2026-04-04 3/150 2026-04-04 08:41 by jp9609
[¿¼ÑÐ] Çóµ÷¼Á +8 akdhjs 2026-04-03 8/400 2026-04-03 18:17 by ´÷άING
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û