²é¿´: 2713  |  »Ø¸´: 9
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

xiaojingyang

гæ (СÓÐÃûÆø)

[½»Á÷] ¡¾ÇóÖú/½»Á÷¡¿0.5mol/LPH7.0µÄÁ×ËỺ³åÒºÅäÖ÷½·¨

¼±Çó0.5mol/LPH7.0µÄÁ×ËỺ³åÒºÅäÖ÷½·¨
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

Ä«ÏãÈôË®

ľ³æ (ÖøÃûдÊÖ)

СС‡å³æ

¡ï
silicare(½ð±Ò+1):yes 2010-08-27 11:52:16
xiaojingyang(½ð±Ò+1): 2010-08-28 17:35:14
ÒýÓûØÌû:
Originally posted by mhzhxj at 2010-08-27 10:58:54:
0.5mol/L  ÊÇÖ¸Á×ÔªËØµÄŨ¶ÈÂð£¿

[ Last edited by mhzhxj on 2010-8-27 at 11:07 ]

¿ÉÒÔÕâôÀí½â Á×Ëá¸ùŨ¶È
Ê˲»¿É²»ºëÒ㣬ÈÎÖØ¶øµÀÔ¶
5Â¥2010-08-27 11:14:27
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 10 ¸ö»Ø´ð

xulanzzz

½ð³æ (ÖøÃûдÊÖ)

xiaojingyang(½ð±Ò+1): 2010-08-27 10:56:35
·Ö±ðÅäºÃ0.5mol/LµÄÁ×Ëá¶þÇâ¼ØºÍÁ×ËáÇâ¶þ¼Ø£¬È»ºóÊʵ±»ìºÏ£¬µ÷½ÚPHÖÁ7.0¼´¿É¡£¡£¡£
DOBEST
2Â¥2010-08-27 09:12:37
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wallace974

ľ³æ (СÓÐÃûÆø)

¡ï ¡ï ¡ï ¡ï ¡ï
xiaojingyang(½ð±Ò+1): 2010-08-27 10:56:38
scelab(½ð±Ò+5):¹ÄÀøÐ³棡»¶Ó­¶àÀ´½»Á÷£¡:tiger06: 2010-08-30 00:47:03
.2M PBÅäÖÆ·½·¨£º

ÅäÖÆÊ±£¬³£ÏÈÅäÖÆ0.2mol/LµÄ NaH2PO4ºÍ0.2mol/LµÄNa2HPO4£¬Á½Õß°´Ò»¶¨±ÈÀý»ìºÏ¼´³É0.2mol/LµÄÁ×ËáÑλº³åÒº£¨PB£©£¬¸ù¾ÝÐèÒª¿ÉÅäÖÆ²»Í¬Å¨¶ÈµÄPBºÍPBS¡£
£¨1£©0.2mol/LµÄNaH2PO4£»³ÆÈ¡NaH2PO4¡¤2H2O 31.2g¼ÓÖØÕôË®ÖÁ1000mlÈܽ⡣
£¨2£©0.2mol/LµÄNaH2PO4£º³ÆÈ¡Na2HPO4¡¤12H2O 71.632g¼ÓÖØÕôË®ÖÁ1000mlÈܽ⡣
£¨3£©0.2mol/L pH7.4µÄPBµÄÅäÖÆ£ºÈ¡19ml 0.2mol/LµÄNaH2PO4ºÍ81ml 0.2mol/LµÄNa2HPO4¡¤12H2O,³ä·Ö»ìºÏ¼´Îª0.2mol/LµÄPB£¨pHԼΪ7.4¡«7.5£©¡£ÈôpHÆ«¸ß»òÆ«µÍ£¬¿Éͨ¹ý¸Ä±ä¶þÕߵıÈÀýÀ´¼ÓÒÔµ÷Õû£¬ÊÒα£´æ¼´¿É¡£
ÍòÎïÒ»Àí£¬Íò·¨×ÔÈ»
3Â¥2010-08-27 10:02:05
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

mhzhxj

Í­³æ (СÓÐÃûÆø)

xiaojingyang(½ð±Ò+1): 2010-08-28 17:35:10
0.5mol/L  ÊÇÖ¸Á×ÔªËØµÄŨ¶ÈÂð£¿

[ Last edited by mhzhxj on 2010-8-27 at 11:07 ]
4Â¥2010-08-27 10:58:54
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 0854µç×ÓÐÅÏ¢Çóµ÷¼Á +3 ¦Á____ 2026-03-22 3/150 2026-03-22 21:28 by zhq0425
[¿¼ÑÐ] 315·Ö£¬³ÏÇóµ÷¼Á£¬²ÄÁÏÓ뻯¹¤085600 +3 13756423260 2026-03-22 3/150 2026-03-22 20:11 by edmund7
[¿¼ÑÐ] Çóµ÷¼Á +6 Ê®Èý¼ÓÓÍ 2026-03-21 6/300 2026-03-22 17:00 by i_cooler
[¿¼ÑÐ] 298Çóµ÷¼ÁÒ»Ö¾Ô¸211 +3 Éϰ¶6666@ 2026-03-20 3/150 2026-03-22 15:50 by ColorlessPI
[¿¼ÑÐ] Çóµ÷¼ÁԺУÐÅÏ¢ +6 CX 330 2026-03-21 6/300 2026-03-22 15:25 by ÎÞи¿É»÷111
[¿¼ÑÐ] 311Çóµ÷¼Á +3 26ÑÐ0 2026-03-20 3/150 2026-03-22 14:46 by ColorlessPI
[¿¼ÑÐ] 297Çóµ÷¼Á +11 Ï·¾«µ¤µ¤µ¤ 2026-03-17 12/600 2026-03-21 17:47 by ColorlessPI
[¿¼ÑÐ] 313Çóµ÷¼Á +4 ËÁÈþ·¡Ò¼22 2026-03-19 4/200 2026-03-21 17:33 by ColorlessPI
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤£¨0856£©304Çó BÇø µ÷¼Á +3 Çñgl 2026-03-21 3/150 2026-03-21 13:47 by lature00
[¿¼ÑÐ] ²ÄÁÏѧѧ˶080502 337Çóµ÷¼Á-Ò»Ö¾Ô¸»ªÖпƼ¼´óѧ +4 ˳˳˳mr 2026-03-18 5/250 2026-03-21 10:22 by luoyongfeng
[¿¼ÑÐ] Ò»Ö¾Ô¸ÖØÇì´óѧ085700×ÊÔ´Óë»·¾³×¨Ë¶£¬×Ü·Ö308Çóµ÷¼Á +3 īīĮ 2026-03-18 3/150 2026-03-21 00:39 by JourneyLucky
[¿¼ÑÐ] 304Çóµ÷¼Á +7 ˾¿Õ. 2026-03-18 7/350 2026-03-20 23:08 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸ ÄϾ©º½¿Õº½Ìì´óѧ´óѧ £¬080500²ÄÁÏ¿ÆÑ§Ó빤³Ìѧ˶ +5 @taotao 2026-03-20 5/250 2026-03-20 20:16 by JourneyLucky
[¿¼ÑÐ] Çóµ÷¼Á +3 @taotao 2026-03-20 3/150 2026-03-20 19:35 by JourneyLucky
[ÂÛÎÄͶ¸å] ÉêÇë»Ø¸åÑÓÆÚÒ»¸öÔ£¬±à¼­Í¬ÒâÁË¡£µ«ÏµÍ³ÉϵÄʱ¼äû±ä£¬¸ø±à¼­ÓÖдÓʼþÁË£¬Ã»»Ø¸´ 10+3 wangf9518 2026-03-17 4/200 2026-03-19 23:55 by babero
[¿¼ÑÐ] Ò»Ö¾Ô¸Öйúº£Ñó´óѧ£¬ÉúÎïѧ£¬301·Ö£¬Çóµ÷¼Á +5 1ËïÎò¿Õ 2026-03-17 6/300 2026-03-19 23:46 by zcl123
[¿¼ÑÐ] ÉúÎïѧµ÷¼ÁÕÐÈË£¡£¡£¡ +3 ɽº£Ììá° 2026-03-17 4/200 2026-03-19 21:34 by ÔõôÊÍ»³
[¿¼ÑÐ] 288Çóµ÷¼Á£¬Ò»Ö¾Ô¸»ªÄÏÀí¹¤´óѧ071005 +5 ioodiiij 2026-03-17 5/250 2026-03-19 18:22 by zcl123
[¿¼ÑÐ] 0703»¯Ñ§µ÷¼Á +4 18889395102 2026-03-18 4/200 2026-03-19 16:13 by 30660438
[¿¼ÑÐ] ²ÄÁÏ£¬·ÄÖ¯£¬ÉúÎ0856¡¢0710£©£¬»¯Ñ§ÕÐÉúÀ² +3 Eember. 2026-03-17 9/450 2026-03-18 10:28 by Eember.
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û