²é¿´: 2866  |  »Ø¸´: 5

danyzj01

Òø³æ (ÕýʽдÊÖ)

[ÇóÖú] 1%äå·ÓÀ¶ÊÇÈçºÎÅäÖÆµÄ£¬ÎªÊ²Ã´ÔÚË®ÀïÈܽⲻÍêÈ«£¿

ÕâÑù¹ýÂËÆ÷ºóŨ¶ÈµÍÁËÈçºÎÓÃÓÚÅäÖÆÉÏÑù»º³åÒº£¿
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

yjchsh

Ìú¸Ëľ³æ (ÕýʽдÊÖ)

Dr.

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
¼Ó¼¸µÎ5MµÄNaOHºÜ¿ì¾ÍÈܽâÁË
ÔÚÅäÖÃSDSÑùÆ·´¦ÀíҺʱÓõÄÊÇpH6.8µÄTris-HCl»º³åÒº
ËùÒÔûÓÐÓ°Ïì
2Â¥2012-04-18 11:24:20
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

danyzj01

Òø³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
2Â¥: Originally posted by yjchsh at 2012-04-18 11:24:20:
¼Ó¼¸µÎ5MµÄNaOHºÜ¿ì¾ÍÈܽâÁË
ÔÚÅäÖÃSDSÑùÆ·´¦ÀíҺʱÓõÄÊÇpH6.8µÄTris-HCl»º³åÒº
ËùÒÔûÓÐÓ°Ïì

Èç¹ûÓÃÒÒ´¼Èܽâ¿ÉÐÐÂð£¿ÓðٷÖÖ®¶àÉٵıȽϺã¿
3Â¥2012-04-18 20:32:13
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

yjchsh

Ìú¸Ëľ³æ (ÕýʽдÊÖ)

Dr.

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

Of course, please look at the following information from sigma

Bromophenol Blue
B0126 Sigma-Aldrich

solubility

NaOH: soluble (The water-soluble sodium salt was prepared by grinding the powder in a mortar with equimolecular amounts of N/10-NaOH, i.e. about 6 ml. for each 400 mg powder.)  
   ethanol: soluble (A stock solution of BPB was prepared by dissolving 134 mg BPB in 20mL 96% ethanol and diluted to 100mL with water. 3)
4Â¥2012-04-19 01:24:25
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

danyzj01

Òø³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
4Â¥: Originally posted by yjchsh at 2012-04-19 01:24:25:
Of course, please look at the following information from sigma

Bromophenol Blue
B0126 Sigma-Aldrich

solubility

NaOH: soluble (The water-soluble sodium salt was prepared by grinding the  ...

²»¹ýÒÒ´¼ÃܶȽϵͣ¬µ½Ê±ºòÉϵ°°×ÑùµÄʱºò»á²»»áÕû¸ö¸¡ÆðÀ´
5Â¥2012-04-19 20:21:34
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

yjchsh

Ìú¸Ëľ³æ (ÕýʽдÊÖ)

Dr.

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï
danyzj01: ½ð±Ò+4, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2012-04-21 09:14:19
ÒýÓûØÌû:
5Â¥: Originally posted by danyzj01 at 2012-04-19 20:21:34:
²»¹ýÒÒ´¼ÃܶȽϵͣ¬µ½Ê±ºòÉϵ°°×ÑùµÄʱºò»á²»»áÕû¸ö¸¡ÆðÀ´

That not gonna happen. Because there is pretty much glycerol in your sample.
Do not worry about it.
Why don't your use NaOH to solubilize the Bromophenol Blue?
But using ethanol is also fine.
6Â¥2012-04-20 01:01:31
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ danyzj01 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[»ù½ðÉêÇë] Ö»ÓÐÿÄêÕâÖÖʱºòÀ´¹ä¹äСľ³æ +20 yaoyewhu2008 2026-08-20 20/1000 2026-08-20 09:41 by 2026Äê¹ú×ÔÈ»»ù½
[»ù½ðÉêÇë] »¶Ó­·¢À´filecodeµÄMz6ºóµÄ´úÂëÑéÖ¤Æä¹æÂÉ +55 ҽѧÀÏÄк¢ 2026-08-13 125/6250 2026-08-20 09:02 by ҽѧÀÏÄк¢
[»ù½ðÉêÇë] ½ñÌì»ù½ð»á³ö½á¹ûÂð£¿20260819 +14 kkkl_v 2026-08-19 15/750 2026-08-20 08:21 by sunzitan
[»ù½ðÉêÇë] ʱ¼ä´Á±äÁË£¬ÄÜ¿´³öʲôÎÊÌ⣿ +12 »ùŵßä¿Í 2026-08-17 16/800 2026-08-19 22:04 by kk µÄСľ³æ
[»ù½ðÉêÇë] filecode£¬4¸öjtjcÁË +11 ziyangfang 2026-08-19 13/650 2026-08-19 21:28 by aasahr
[½Ìʦ֮¼Ò] ΪʲôÓà¶î±¦µÄÄ껯ÀûÂÊÔ½À´Ô½µÍ£¿Ö÷ÒªÔ­ÒòÓÐÄÄЩ£¿ +5 ˲ϢÓîÖæ 2026-08-15 5/250 2026-08-19 20:23 by super2002521
[»ù½ðÉêÇë] ½ñÌì·Å°ñûϷÁ衃 +4 yuleib84 2026-08-19 5/250 2026-08-19 19:52 by hhs666
[»ù½ðÉêÇë] ½ñÌì·Å°ñÂ𣿠+14 ²¼²¼ºÍÒ»¶þ 2026-08-19 15/750 2026-08-19 18:07 by gltch
[»ù½ðÉêÇë] filecode=ºóÃæµÚÒ»¸öÊÇ´óд×Öĸ +10 wangze12014 2026-08-14 12/600 2026-08-19 16:56 by ¿àÄѲ©Ê¿
[»ù½ðÉêÇë] 2027¹ã¶«Ê¡½ÜÇà +4 ÄÌţСºÚ 2026-08-15 10/500 2026-08-19 11:02 by wanfengnew
[»ù½ðÉêÇë] ÅóÓÑȦ¿´µ½µÄ +6 wangzilk 2026-08-18 8/400 2026-08-19 10:55 by Haru815
[»ù½ðÉêÇë] ¿ìÅ©ÀúÆßϦ½ÚÁË£¬ÇáËÉһϣ¬ÄÐÈËÇÄÇÄ»°£¬Å®Ê©Ö÷Çë²»Òª½øÀ´¡£ +6 Tide man 2026-08-14 7/350 2026-08-19 09:56 by ZJTJZ
[»ù½ðÉêÇë] ʲôʱºò¿ª½±£¿ +6 CrisMessi 2026-08-18 6/300 2026-08-19 08:06 by Equinoxhua
[»ù½ðÉêÇë] ÖØÒªÏûÏ¢£¬ÖÐÎçϵͳÔÚά»¤ +10 yuleib84 2026-08-18 11/550 2026-08-19 07:30 by Óðë·ãf
[»ù½ðÉêÇë] ʱ¼ä´ÁÓÖ±äÁË8-15 +14 archvillain 2026-08-15 26/1300 2026-08-18 13:37 by phantomgost
[»ù½ðÉêÇë] ½ñÌìά»¤ÏµÍ³Î¬»¤ ×£ËùÓÐÈË ¸ßÖÐ +8 gjjjzhong 2026-08-18 9/450 2026-08-18 13:01 by ¼ÒÓëÔ¶·½
[»ù½ðÉêÇë] ÄÄλÀϸçÖªµÀ½ñÄêµÄ¹ú×ÔÈ»¾ßÌåÄÄÒ»Ìì·Å°ñ£¿ +13 Ldrop2023 2026-08-13 16/800 2026-08-18 12:25 by µí·Û°áÔ˹¤
[»ù½ðÉêÇë] ¸Ð¾õÊÇÏÂÖܷŰñÁË +6 angus9576 2026-08-17 11/550 2026-08-17 23:57 by angus9576
[»ù½ðÉêÇë] ½ñÌìϵͳ¶à´Îά»¤£¬Ã÷ÌìºÜ¿ÉÄܷŰñ£¡ +8 zju2000 2026-08-16 9/450 2026-08-17 12:20 by lmz0216
[»ù½ðÉêÇë] ¸÷λµÀÓÑ£¬ÎÒҪȥÀ¥Ã÷Íæ¼¸Ì죬»ØÀ´¼û¡£ +7 Tide man 2026-08-14 8/400 2026-08-15 01:11 by arzu_hma
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û