±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 1106  |  »Ø¸´: 9
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

ÊÇÎÒ

ľ³æ (СÓÐÃûÆø)

[½»Á÷] µÂÓï·­ÒëһС¶Î,лл

7.4 g A werden in der Losung von 100 ccm B mit der essigatherischen (30 ccm) Losung von 8.5 g C unter R¨¹hren versstzt. Dabei scheidet sich die Benzoylverbindung sofort in schwach -gelben, fast farblosen Nadelchen ans. Nach dem Waschen mit B mit, Wasser wird die. Verbindung aus viel Alkobol oder Essigather umkrystallisiert.

[ Last edited by ÊÇÎÒ on 2009-11-20 at 17:48 ]

» ²ÂÄãϲ»¶

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

zap65535

ľ³æ (ÖøÃûдÊÖ)

Á½Ôº´óѧʿºó

ÒýÓûØÌû:
Originally posted by ÊÇÎÒ at 2009-11-21 09:53:
essigatherischen (¡°a¡±ÉÏÓÐÁ½µã£¬²»ÖªµÀÔõô´òÉÏÈ¥£© ûÒë¶Ô£¬²»ÊÇÒÒËáÒÒõ¥£¬ÒÒËáÒÒõ¥ÊÇ¡°essigather¡±¡£

[ Last edited by ÊÇÎÒ on 2009-11-21 at 09:57 ]

ÒÒËáÒÒõ¥ÊÇ¡°essigather¡±

"ischen"ÊÇÒ»¸öÐÎÈÝ´Ê´Êβ¡£

essigatherischen  losung
ÒëΪ  ÒÒËáÒÒõ¥µÄÈÜÒº

ÎÒµÄÒâ¼û¡£
9Â¥2010-01-04 22:52:50
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 10 ¸ö»Ø´ð

toflyfirst

Òø³æ (ÕýʽдÊÖ)

¡ï
ÊÇÎÒ(½ð±Ò+1,VIP+0):лл 11-21 11:59
zap65535(½ð±Ò-2,VIP+0):»úÆ÷·­Òë²»Äܸø·Ö 12-22 00:51
ÊÇÔÚÃÜÂëµÄversstzt 100 ccm BÓëessigatherischen (30 ccm)ÃÜÂë8.5 g CÔڹĶ¯Ö®Ï¡£ BenzoylverbindungÁ¢¿Ì΢ÈõµØ·ÖÀë-Ⱦ»Æ£¬¼¸ºõÎÞÉ«µÄNadelchen¡£ ÔÚҲϴµÓÓëBÒÔºó£¬Ë®³ÉΪÄÇЩ¡£ ´ÓAlkobol»òEssigather umkrystallisiertµÄÁ¬½Óµ½ºÜ¶à
2Â¥2009-11-20 18:14:53
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

toflyfirst

Òø³æ (ÕýʽдÊÖ)

¡ï
ÊÇÎÒ(½ð±Ò+1,VIP+0):»¹ÊÇÒª¸ÐлÄã¡£ 11-21 09:48
ÎÒ´íÁË£¬ÓûúÆ÷·­ÒëµÄÒ»Çϲ»Í¨£¬¶Ô²»ÆðÁË
3Â¥2009-11-20 18:16:06
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

mnbbnm123

Ìú¸Ëľ³æ (ÕýʽдÊÖ)

ÈôÓÐÎÊÌ⣬Ìù³öÔ­ÎÄ

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
ÊÇÎÒ(½ð±Ò+10,VIP+0):лл 11-21 09:51
zap65535(½ð±Ò+8,VIP+0):²¹·¢£¬³£À´·­Òë°æ 12-22 00:51
7.4¿ËAÔÚ½Á°èϼÓÈë100ml  BºÍ8.5¿ËCÈÜÓÚ30mlÒÒËáÒÒõ¥ÈÜÒº£¬µÃµ½¼¸ºõÎÞÉ«Õë×´±½¼×õ£»¯ºÏÎÔÙÓÃBÏ´£¬Ë®Ï´£¬ÔÚ´¼»òÒÒËáÒÒõ¥ÖÐÖØ½á¾§¡£
4Â¥2009-11-21 06:00:03
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +11 Ò»ÑùYWY 2026-04-02 13/650 2026-04-04 23:10 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] 294Çóµ÷¼Á +6 Grey_Ey 2026-04-02 9/450 2026-04-04 22:07 by hemengdong
[¿¼ÑÐ] Ò»Ö¾Ô¸»ª±±µçÁ¦´óѧ£¨±±¾©£©£¬²ÄÁÏ¿ÆÑ§Ó빤³Ìѧ˶265£¬Çóµ÷¼Á +11 yelck 2026-04-03 12/600 2026-04-04 19:52 by dongzh2009
[¿¼ÑÐ] 085602 ÕÒµ÷¼Á +4 ÄæÊ±Õë¿ìÀÖ 2026-04-02 4/200 2026-04-04 19:32 by À¶ÔÆË¼Óê
[¿¼ÑÐ] Çóµ÷¼Á +5 Hllºú 2026-04-04 5/250 2026-04-04 16:49 by dongzh2009
[¿¼ÑÐ] Ò»Ö¾Ô¸0817»¯Ñ§¹¤³ÌÓë¼¼Êõ£¬Çóµ÷¼Á +24 ÎÒ²»ÊÇÖ»Òò 2026-04-02 28/1400 2026-04-04 15:15 by dongzh2009
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +11 ÎâèùÓ±£¡ 2026-04-03 11/550 2026-04-04 09:56 by ССÊ÷2024
[¿¼ÑÐ] ²ÄÁÏ¿ÆÑ§Ó빤³Ì¿¼ÑÐ +10 Õü¾ÈÆ¤ÌØÍÐÏÈÉú 2026-04-02 10/500 2026-04-03 23:57 by userper
[¿¼ÑÐ] Çóµ÷¼Á +4 ѹÁ¦??´ó 2026-04-03 4/200 2026-04-03 21:36 by à£à£à£0119
[¿¼ÑÐ] 0705Àíѧ294Çóµ÷¼Á +3 ³É¹û³É¹ûcg5 2026-04-03 3/150 2026-04-03 14:04 by simons1972
[¿¼ÑÐ] 366Çóµ÷¼ÁÒ»Ö¾Ô¸¶«±±´óѧ +8 ÔËÆøÀ´µÃÈôÓÐËÆÎ 2026-04-02 8/400 2026-04-02 21:39 by dongzh2009
[¿¼ÑÐ] 298ÇóBÇøµ÷¼Á +4 zzz£¬£¬r 2026-04-02 5/250 2026-04-02 12:17 by ÍÁľ˶ʿÕÐÉú
[¿¼ÑÐ] Çóµ÷¼ÁÍÆ¼ö +3 ÄÏɽÄÏ@ 2026-04-01 3/150 2026-04-02 12:09 by xiaoranmu
[¿¼ÑÐ] Ò»Ö¾Ô¸346ÉϺ£´óѧÉúÎïѧ +3 ÉϺ£´óѧ346µ÷¼Á 2026-04-01 3/150 2026-04-02 08:36 by w³æ³æ123
[¿¼ÑÐ] 296Çóµ÷¼Á +4 Íô£¡£¿£¡ 2026-03-31 7/350 2026-04-01 22:04 by ¿Í¶ûÃÀµÂ
[¿¼ÑÐ] 085600£¬320·ÖÇóµ÷¼Á +5 ´ó²öС×Ó 2026-04-01 6/300 2026-04-01 19:40 by ÌÆãå¶ù
[¿¼ÑÐ] 289Çóµ÷¼Á +7 BrightLL 2026-03-29 7/350 2026-03-31 22:05 by 544594351
[¿¼ÑÐ] ±¾¿Æ211ÉúÎïҽѧ¹¤³Ì085409Çóµ÷¼Á339·Ö +7 Àï×Óľyy 2026-03-29 7/350 2026-03-31 14:35 by fmesaito
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷µç085401ÊýÒ»Ó¢Ò»299Çóµ÷¼Á Áù¼¶521 +4 °®³Ô´óѼÀæ 2026-03-31 4/200 2026-03-31 11:51 by ²«»÷518
[Óлú½»Á÷] ¼×»ùÑǻǻÇËáÄÆºÍ¼×»ù»ÇËáõ¥·´Ó¦»úÀí 10+3 kaobao456 2026-03-29 4/200 2026-03-30 23:16 by nBuï®
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û