²é¿´: 2704  |  »Ø¸´: 17
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

À¤µÄ·çóÝ

Òø³æ (СÓÐÃûÆø)


[½»Á÷] À©É¢·¨ÅàÑøµ¥¾§Ê± ÊÔ¹ÜÑÕÉ«ÉÏdzÏÂÉî

ÎÒÓÃÀ©É¢·¨ÅàÑøµ¥¾§Ê± ÊÔ¹ÜÖеÄÑÕÉ«ÉÏdzÏÂÉÕâÊÇʲôÇé¿ö£¬»¹ÄÜÅàÑø³öµ¥¾§Âð£¿Çó´óÉñÖ¸µã
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

» ÇÀ½ð±ÒÀ²£¡»ØÌû¾Í¿ÉÒԵõ½:

²é¿´È«²¿É¢½ðÌù

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

ÌìÏÂÎÞË«1992

½ð³æ (СÓÐÃûÆø)


¡ï ¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
lijunjie84: ½ð±Ò+1, ¸Ðл»ØÌû½»Á÷£¡ 2012-07-12 21:40:31
ÓÃÀ©É¢·¨ÅàÑøµ¥¾§Ê±£¬Ò»°ã¶¼»á³öÏÖÕâÑùÇé¿ö£¬Èç¹ûµ½ÊԹܶ¥²¿»¹³¤²»³öÀ´£¬¾Í²»»á³¤³öÀ´ÁË£¬¸øÄãÖ§¸öÕУ¬À©É¢·¨ÅàÑøÅ¨¶ÈÒ»¶¨Òª´ó£¬¿ÉÒÔÔÙÅàÑøÇ®£¬Êʵ±ÐýÕôÈÜÒº£¬ÕâÑù¼¸ÂÊ»á´óЩ¡£
4Â¥2012-07-11 09:12:33
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 18 ¸ö»Ø´ð

iaknankai

ľ³æ (ÕýʽдÊÖ)


¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
linhua0402313: ¸Ðл»ØÌû½»Á÷ 2012-07-10 16:18:09
¶à¾ÃÁË£¿
¸ÕÀ©É¢Ö®Ç°£¬ÊÇʲôÇé¿ö£¿
ÊDz»ÊǶþÕß»¹Ã»À©É¢ÍêÈ«£¬¾ÍÊÇ˵»¹Ã»»ìºÏ¾ùÔÈ
2Â¥2012-07-10 12:31:31
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

shangdongliu

½ð³æ (ÕýʽдÊÖ)


¡ï ¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
lijunjie84: ½ð±Ò+1, ¸Ðл»ØÌû½»Á÷£¡ 2012-07-12 21:40:22
I think it is a normal phenomenon for the diffusion method when your sample possesses color.

That means your color compound was not dissolved well in the upper phase while most of them in the lower phase.

By this method you will need to try different ratio of the two solvent you are using, so it will be a difficult process even your samples are in a high concentration.
3Â¥2012-07-10 22:44:38
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

À¤µÄ·çóÝ

Òø³æ (СÓÐÃûÆø)


ÒýÓûØÌû:
4Â¥: Originally posted by ÌìÏÂÎÞË«1992 at 2012-07-11 09:12:33
ÓÃÀ©É¢·¨ÅàÑøµ¥¾§Ê±£¬Ò»°ã¶¼»á³öÏÖÕâÑùÇé¿ö£¬Èç¹ûµ½ÊԹܶ¥²¿»¹³¤²»³öÀ´£¬¾Í²»»á³¤³öÀ´ÁË£¬¸øÄãÖ§¸öÕУ¬À©É¢·¨ÅàÑøÅ¨¶ÈÒ»¶¨Òª´ó£¬¿ÉÒÔÔÙÅàÑøÇ®£¬Êʵ±ÐýÕôÈÜÒº£¬ÕâÑù¼¸ÂÊ»á´óЩ¡£

½Á°è¶¼³ÎÇåÁË£¬ÓеÄÒ»Ìì¾Í»á³öÏÖ³Áµí£¬ÊDz»ÊÇÎÒµÄÅäÌå²»ÊʺÏ×öÀ©É¢ÄØ
5Â¥2012-07-12 11:03:51
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 289Çóµ÷¼Á +7 »³èªÎÕè¤l 2026-03-20 7/350 2026-03-22 15:57 by ColorlessPI
[¿¼ÑÐ] Çóµ÷¼ÁÒ»Ö¾Ô¸º£´ó£¬0703»¯Ñ§Ñ§Ë¶304·Ö£¬Óдó´´ÏîÄ¿£¬Ëļ¶Òѹý +5 ÐÒÔËÁ¨Á¨ 2026-03-22 8/400 2026-03-22 15:49 by ChemPharm
[¿¼ÑÐ] ¿¼Ñе÷¼Á +4 À´ºÃÔËÀ´À´À´ 2026-03-21 4/200 2026-03-22 12:15 by ÐÇ¿ÕÐÇÔÂ
[»ù½ðÉêÇë] ɽ¶«Ê¡ÃæÉÏÏîÄ¿ÏÞ¶îÆÀÉó +4 ʯÈð0426 2026-03-19 4/200 2026-03-22 08:50 by Wei_ren
[¿¼ÑÐ] ×ÊÔ´Óë»·¾³ µ÷¼ÁÉêÇë(333·Ö) +5 holy J 2026-03-21 5/250 2026-03-21 22:42 by Catalysis25
[¿¼ÑÐ] Çóµ÷¼Á +4 ÒªºÃºÃÎÞÁÄ 2026-03-21 4/200 2026-03-21 18:57 by ѧԱ8dgXkO
[¿¼ÑÐ] ²ÄÁÏ 271Çóµ÷¼Á +5 Õ¹ÐÅÔÃ_ 2026-03-21 5/250 2026-03-21 17:29 by ѧԱ8dgXkO
[¿¼ÑÐ] Ò»Ö¾Ô¸Ìì½ò´óѧ»¯Ñ§¹¤ÒÕרҵ£¨081702£©315·ÖÇóµ÷¼Á +12 yangfz 2026-03-17 12/600 2026-03-21 03:30 by JourneyLucky
[¿¼ÑÐ] ²ÄÁϹ¤³Ì£¨×¨£©Ò»Ö¾Ô¸985 ³õÊÔ335Çóµ÷¼Á +3 hiloiy 2026-03-17 4/200 2026-03-21 03:04 by JourneyLucky
[¿¼ÑÐ] »¯Ñ§Çóµ÷¼Á +4 ÁÙÔó¾³llllll 2026-03-17 5/250 2026-03-21 02:23 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸ÖйúʯÓÍ´óѧ£¨»ª¶«£© ±¾¿ÆÆë³¹¤Òµ´óѧ +3 ʯÄÜΰ 2026-03-17 3/150 2026-03-21 02:22 by JourneyLucky
[¿¼ÑÐ] ²ÄÁÏ 336 Çóµ÷¼Á +3 An@. 2026-03-18 4/200 2026-03-21 01:39 by JourneyLucky
[¿¼ÑÐ] ÄϾ©´óѧ»¯Ñ§376Çóµ÷¼Á +3 hisfailed 2026-03-19 6/300 2026-03-20 23:43 by hisfailed
[¿¼ÑÐ] 323Çóµ÷¼Á +3 ÍÝСͰ 2026-03-18 3/150 2026-03-20 22:54 by JourneyLucky
[¿¼ÑÐ] 317Çóµ÷¼Á +5 Éê×ÓÉêÉê 2026-03-19 9/450 2026-03-20 22:26 by JourneyLucky
[¿¼ÑÐ] »·¾³¹¤³Ìµ÷¼Á +9 ´ó¿Édigkids 2026-03-16 9/450 2026-03-20 17:38 by ×íÔÚ·çÀï
[¿¼ÑÐ] ÕÐÊÕµ÷¼Á˶ʿ +4 lidianxing 2026-03-19 12/600 2026-03-20 12:25 by lidianxing
[¿¼ÑÐ] 085601²ÄÁϹ¤³Ìר˶Çóµ÷¼Á +10 Ľº®mio 2026-03-16 10/500 2026-03-19 15:26 by ¶¡¶¡*
[¿¼ÑÐ] 328Çóµ÷¼Á£¬Ó¢ÓïÁù¼¶551£¬ÓпÆÑо­Àú +4 ÉúÎ﹤³Ìµ÷¼Á 2026-03-16 12/600 2026-03-19 11:10 by ÉúÎ﹤³Ìµ÷¼Á
[¿¼ÑÐ] 334Çóµ÷¼Á +3 Ö¾´æ¸ßÔ¶ÒâÔÚ»úÐ 2026-03-16 3/150 2026-03-18 08:34 by lm4875102
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û