Znn3bq.jpeg
±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 5874  |  »Ø¸´: 4

nangong0000

Í­³æ (СÓÐÃûÆø)

[ÇóÖú] 100mM,PH=7µÄPBS»º³åÒºµÄÅäÖà ÒÑÓÐ1È˲ÎÓë

ÅäÖÃ0.1mol/L£¬PH=7µÄÁ×ËỺ³åÒº¡£ÎÒµÄÏë·¨£ºÏÈÅä1mol/LµÄNa2HPO4ºÍ1mol/LµÄNaH2PO4µÄÈÜÒº£¨Õâ¸öÓÃ156.01g NaH2PO4.2H2O ºÍ 268.07g Na2HPO4.7H2O)¡£È»ºó»ìºÏ³É100mL(57.7mL Na2HPO4ºÍ42.3mL NaH2PO4),×îºóÓÃÕôÁóË®¶¨ÈÝÖÁ1000mL.  
ÎÒÏëÇë½ÌÒ»ÏÂÎÒÕâÖÖÅä·¨¶Ô²»¶Ô£¬PH»á²»Óõ÷½ÚÖ±½Óµ½7Â𣿠ºÃÓÐ100mL(57.7mL Na2HPO4ºÍ42.3mL NaH2PO4)µÄ±ÈÀýÔõôËã³öÀ´µÄ¡£»¹ÓÐÿ1000mL¼Ó8.5µ½9g Nacl¡£Õâ¸ö»º³åÒºÊÇÓÃÀ´±£³ÖøµÄ»îÐÔ¡£ËùÒÔPHҪ׼ȷµã¡£
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

ÔÆÖÒÌýÓê

½ð³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
laozuzunzhe: ½ð±Ò+1, ¹ÄÀøÓ¦Öú£¡ 2014-11-19 09:11:55
Õâ¸ö¼ÇµÃÊÇÓÐÒ»ÕűíµÄ£¬20¡æÏ²»Í¬PH£¬Á½ÖÖÈÜÒºµÄ±ÈÀý£¬¶øÇÒ¾ÍÊǰ´100mlËãµÄ¡£
2Â¥2014-11-17 17:30:26
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

nangong0000

Í­³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
2Â¥: Originally posted by ÔÆÖÒÌýÓê at 2014-11-17 17:30:26
Õâ¸ö¼ÇµÃÊÇÓÐÒ»ÕűíµÄ£¬20¡æÏ²»Í¬PH£¬Á½ÖÖÈÜÒºµÄ±ÈÀý£¬¶øÇÒ¾ÍÊǰ´100mlËãµÄ¡£

°Ù¶ÈÎÄ¿âÀïÓУ¬µ«²»ÖªµÀ¶Ô²»¶Ô£¿

[ ·¢×ÔСľ³æ¿Í»§¶Ë ]
3Â¥2014-11-19 20:59:23
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÔÆÖÒÌýÓê

½ð³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
3Â¥: Originally posted by nangong0000 at 2014-11-19 20:59:23
°Ù¶ÈÎÄ¿âÀïÓУ¬µ«²»ÖªµÀ¶Ô²»¶Ô£¿
...

Ó¦¸Ã¶ÔµÄ°É£¬ÎÒ¹¤×÷µØµãÀë¼ÒÀï̫ԶÁË£¬²»È»·¢ÄãÒ»·ÝÁË¡£ÒÔǰÓùý£¬¼ÇµÃÃ²ËÆÊÇÅäpbsµÄ
4Â¥2014-11-20 10:07:49
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

nangong0000

Í­³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
4Â¥: Originally posted by ÔÆÖÒÌýÓê at 2014-11-20 10:07:49
Ó¦¸Ã¶ÔµÄ°É£¬ÎÒ¹¤×÷µØµãÀë¼ÒÀï̫ԶÁË£¬²»È»·¢ÄãÒ»·ÝÁË¡£ÒÔǰÓùý£¬¼ÇµÃÃ²ËÆÊÇÅäpbsµÄ...

лл¡£

[ ·¢×ÔСľ³æ¿Í»§¶Ë ]
5Â¥2014-11-20 13:20:17
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ nangong0000 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 338Çóµ÷¼Á +8 wxygxsaaaaa 2026-04-06 8/400 2026-04-08 06:58 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] ²ÄÁÏ307·ÖÇó´óÀÐ×éÊÕÁô +6 Hllºú 2026-04-07 6/300 2026-04-07 23:06 by jp9609
[¿¼ÑÐ] ũѧ£¬Çóµ÷¼Á£¬314·Ö +4 ·Ã¿Í¼Ç¼¿É°® 2026-04-04 4/200 2026-04-07 21:07 by µÈ°¶
[¿¼ÑÐ] 085602µ÷¼Á ³õÊÔ×Ü·Ö335 +3 19123253302 2026-04-06 3/150 2026-04-07 18:00 by jp9609
[¿¼ÑÐ] Ò»Ö¾Ô¸ÄϾ©º½¿Õº½Ìì´óѧ ²ÄÁÏÓ뻯¹¤329·ÖÇóµ÷¼Á +9 Mr. Z 2026-04-05 9/450 2026-04-07 15:30 by ¾¡Ë´Ò¢1
[¿¼ÑÐ] 372·Ö²ÄÁÏÓ뻯¹¤£¨085600£©Ó¢¶þÊý¶þÇóµ÷¼Á +4 À¶¼ãƬ 2026-04-06 4/200 2026-04-07 12:30 by dongzh2009
[¿¼ÑÐ] Çóµ÷¼Á Ò»Ö¾Ô¸Î÷ÄϽ»Í¨´óѧ085701»·¾³¹¤³Ì 282·Ö +13 ¶à¶à°®³Ôºº±¤ 2026-04-04 14/700 2026-04-07 11:22 by Ê«Óë×ÔÓÉ
[¿¼ÑÐ] 319·Ö085702°²È«¹¤³ÌÇóµ÷¼Á +6 rious 2026-04-05 6/300 2026-04-07 09:42 by jp9609
[¿¼ÑÐ] ÉúÎïÓëÒ½Ò©Çóµ÷¼Á +7 heguanhua 2026-04-05 8/400 2026-04-06 18:41 by macy2011
[¿¼ÑÐ] 0703»¯Ñ§µ÷¼Á325·Ö +12 15771691647 2026-04-04 13/650 2026-04-06 12:00 by lijunpoly
[¿¼ÑÐ] 301Çóµ÷¼Á +7 ϸ°ûÏà¹Øµ°°× 2026-04-03 7/350 2026-04-06 11:47 by lijunpoly
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤371Çóµ÷¼Á +14 ÅãÁÕ¿´º£ 2026-04-04 15/750 2026-04-06 06:59 by houyaoxu
[¿¼ÑÐ] 320·ÖÈ˹¤ÖÇÄܵ÷¼Á +8 Õñ¡ªTZ 2026-04-03 8/400 2026-04-05 22:33 by ·¶Ê½Ë¼Î¬
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +6 Ò»ÑùYWY 2026-04-05 6/300 2026-04-05 20:30 by ÄϺ½~ÍòÀÏʦ
[¿¼ÑÐ] µ÷¼Á +3 ºÃºÃ¶ÁÊé¡£ 2026-04-02 3/150 2026-04-05 13:02 by arrow8852
[¿¼ÑÐ] 341Çóµ÷¼Á +3 Âå¶àÂÞ 2026-04-02 4/200 2026-04-04 21:36 by ÖÇÄÜÖÇ»Û
[¿¼ÑÐ] 309Çóµ÷¼Á +6 ÁõÁõÁõ1231 2026-04-02 7/350 2026-04-04 13:41 by liucky
[¿¼ÑÐ] 366Çóµ÷¼ÁÒ»Ö¾Ô¸¶«±±´óѧ +8 ÔËÆøÀ´µÃÈôÓÐËÆÎ 2026-04-02 8/400 2026-04-02 21:39 by dongzh2009
[¿¼ÑÐ] 261ÇóBÇøµ÷¼Á +5 Ã÷×С¤ 2026-04-01 7/350 2026-04-02 11:17 by ×Þξξ
[¿¼ÑÐ] 379Çóµ÷¼Á +3 ?¿à¹Ï²»¿à 2026-04-01 3/150 2026-04-01 20:09 by ÄºÔÆÇ庮
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û