| ²é¿´: 2774 | »Ø¸´: 6 | ||||
| ±¾Ìû²úÉú 1 ¸ö ²©Ñ§EPI £¬µã»÷ÕâÀï½øÐв鿴 | ||||
½·ãÓë»ð½ð³æ (СÓÐÃûÆø)
|
[ÇóÖú]
¹ØÓÚPBS»º³åÒºµÄÅäÖÆ
|
|||
| ÇëÎÊÒ»ÏÂ0.1MµÄpH=7.4µÄPBS»º³åÒºÔõôÅäÖÆ |
» ÊÕ¼±¾ÌûµÄÌÔÌûר¼ÍƼö
¹ØÓÚѧÊõ |
» ²ÂÄãϲ»¶
279·ÖÇóµ÷¼Á Ò»Ö¾Ô¸211
ÒѾÓÐ16È˻ظ´
Çóµ÷¼ÁÒ»Ö¾Ô¸Î人Àí¹¤´óѧ²ÄÁϹ¤³Ì£¨085601£©
ÒѾÓÐ5È˻ظ´
ÉϺ£µçÁ¦´óѧ²ÄÁÏ·À»¤ÓëвÄÁÏÖØµãʵÑéÊÒÕÐÊÕµ÷¼ÁÑо¿Éú£¨²ÄÁÏ¡¢»¯Ñ§¡¢µç»¯Ñ§£¬»·¾³£©
ÒѾÓÐ3È˻ظ´
¼±·¢ºËÐÄÆÚ¿¯ÂÛÎÄ
ÒѾÓÐ5È˻ظ´
291 Çóµ÷¼Á
ÒѾÓÐ5È˻ظ´
298-Ò»Ö¾Ô¸Öйúũҵ´óѧ-Çóµ÷¼Á
ÒѾÓÐ11È˻ظ´
Ò»Ö¾Ô¸ÄϾ©Àí¹¤´óѧ085701×ÊÔ´Óë»·¾³302·ÖÇóµ÷¼Á
ÒѾÓÐ7È˻ظ´
316Çóµ÷¼Á
ÒѾÓÐ7È˻ظ´
²ÄÁÏÓ뻯¹¤¿¼Ñе÷¼Á
ÒѾÓÐ4È˻ظ´
Ò»Ö¾Ô¸ÖØÇì´óѧ085700×ÊÔ´Óë»·¾³£¬×Ü·Ö308Çóµ÷¼Á
ÒѾÓÐ7È˻ظ´
mikewang777
ľ³æ (СÓÐÃûÆø)
- ²©Ñ§EPI: 2
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 2350.7
- Ìû×Ó: 128
- ÔÚÏß: 84.3Сʱ
- ³æºÅ: 1382536
- ×¢²á: 2011-08-29
- ÐÔ±ð: GG
- רҵ: ÉúÎﻯѧ

2Â¥2011-08-31 10:37:38
wangbw
ͳæ (СÓÐÃûÆø)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 533
- Ìû×Ó: 66
- ÔÚÏß: 9.8Сʱ
- ³æºÅ: 909878
- ×¢²á: 2009-11-22
- רҵ: Ó¦Óø߷Ö×Ó»¯Ñ§ÓëÎïÀí
¡¾´ð°¸¡¿Ó¦Öú»ØÌû
|
0.2mol/L£¨pH7.4£©Á×ËáÑλº³åÒº£¨Phosphate Buffer£¬ PB£© ÊÔ¼Á£º NaH2PO4•2H2O Na2HPO4•12H2O ÅäÖÆ·½·¨£ºÅäÖÆÊ±£¬³£ÏÈÅäÖÆ0.2mol/LµÄ NaH2PO4ºÍ0.2mol/LµÄNa2HPO4£¬Á½Õß°´Ò»¶¨±ÈÀý»ìºÏ¼´³É0.2mol/LµÄÁ×ËáÑλº³åÒº£¨PB£©£¬¸ù¾ÝÐèÒª¿ÉÅäÖÆ²»Í¬Å¨¶ÈµÄPBºÍPBS¡£ £¨1£©0.2mol/LµÄ Na2HPO4£»³ÆÈ¡Na2HPO4.12H2O 31.2g£¨»ò NaH2PO4•H2O 27.6g£©¼ÓÖØÕôË®ÖÁ1000mlÈܽ⡣ £¨2£©0.2mol/LµÄ Na2HPO4£º³ÆÈ¡NaHPO4•12H2O 71.632g£¨»ò Na2HPO4•7H2O 53.6g»ò Na2HPO4•2H2O35.6g£©¼ÓÖØÕôË®ÖÁ1000mlÈܽ⡣ £¨3£©0.2mol/L pH7.4µÄPBµÄÅäÖÆ£ºÈ¡19ml 0.2mol/LµÄ NaH2PO4ºÍ81ml 0.2mol/LµÄ Na2HPO4•12H2O£¬³ä·Ö»ìºÏ¼´Îª0.2mol/LµÄPB£¨pHԼΪ7.4~7.5£©¡£ÈôpHÆ«¸ß»òÆ«µÍ£¬¿Éͨ¹ý¸Ä±ä¶þÕߵıÈÀýÀ´¼ÓÒÔµ÷Õû£¬ÊÒα£´æ¼´¿É¡£ |
3Â¥2011-08-31 11:03:44
½·ãÓë»ð
½ð³æ (СÓÐÃûÆø)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 686.6
- É¢½ð: 28
- ºì»¨: 1
- Ìû×Ó: 81
- ÔÚÏß: 23.2Сʱ
- ³æºÅ: 745372
- ×¢²á: 2009-04-10
- ÐÔ±ð: GG
- רҵ: µç»¯Ñ§
4Â¥2011-08-31 16:03:59
mikewang777
ľ³æ (СÓÐÃûÆø)
- ²©Ñ§EPI: 2
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 2350.7
- Ìû×Ó: 128
- ÔÚÏß: 84.3Сʱ
- ³æºÅ: 1382536
- ×¢²á: 2011-08-29
- ÐÔ±ð: GG
- רҵ: ÉúÎﻯѧ

5Â¥2011-08-31 18:55:26
½·ãÓë»ð
½ð³æ (СÓÐÃûÆø)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 686.6
- É¢½ð: 28
- ºì»¨: 1
- Ìû×Ó: 81
- ÔÚÏß: 23.2Сʱ
- ³æºÅ: 745372
- ×¢²á: 2009-04-10
- ÐÔ±ð: GG
- רҵ: µç»¯Ñ§
6Â¥2011-08-31 20:18:46
½·ãÓë»ð
½ð³æ (СÓÐÃûÆø)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 686.6
- É¢½ð: 28
- ºì»¨: 1
- Ìû×Ó: 81
- ÔÚÏß: 23.2Сʱ
- ³æºÅ: 745372
- ×¢²á: 2009-04-10
- ÐÔ±ð: GG
- רҵ: µç»¯Ñ§
7Â¥2011-08-31 20:51:27













»Ø¸´´ËÂ¥