±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 2727  |  »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

wydxd

ľ³æ (СÓÐÃûÆø)

¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
ÒýÓûØÌû:
Originally posted by silicare at 2010-08-30 11:22:49:
лл¥Éϼ¸Î»£¬²»¹ý»¹ÇëÂ¥Ö÷×¢Ò⣬¿´¿´¾¿¾¹ÄãÐèÒªµÄÊÇÁ×ËáÄÆ»¹ÊÇÁ×Ëá¼ØµÄ»º³åÒº£¬ÕâÁ½¸ö»¹ÊÇÓÐÇø±ð µÄ

ÄãºÃ£¬ÄãËù˵µÄÇø±ðÊÇʲô£¿ÎÒÏëÅäÖÆ0.1 mol/L KH2PO4-Na2HPO4µÄ»º³åÒº£¿ÍûÖ¸½Ì£¡
ΪÏÖÓеÄÏë·¨·Ü¶·
10Â¥2011-05-16 15:55:51
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] 325Çóµ÷¼Á +5 Àî¼Îͼ¡¤S¡¤Â· 2026-03-23 5/250 2026-03-27 00:42 by wxiongid
[¿¼ÑÐ] 341Çóµ÷¼Á +7 ÇàÄûÃÊ1 2026-03-26 7/350 2026-03-27 00:19 by wxiongid
[¿¼ÑÐ] Çóµ÷¼Á Ò»Ö¾Ô¸ ±¾¿Æ ±±¿Æ´ó »¯Ñ§ 343 +6 13831862839 2026-03-24 7/350 2026-03-26 22:57 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] 324Çóµ÷¼Á +4 wysyjs25 2026-03-21 4/200 2026-03-26 20:38 by fmesaito
[¿¼ÑÐ] 081200-11408-276ѧ˶Çóµ÷¼Á +3 ´Þwj 2026-03-26 3/150 2026-03-26 19:57 by nihaoar
[¿¼ÑÐ] Ò»Ö¾Ô¸211 ³õÊÔ270·Ö Çóµ÷¼Á +6 ¹ÈÓêÉϰ¶ 2026-03-23 7/350 2026-03-26 18:55 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] 312Çóµ÷¼Á +8 Éϰ¶°ÉZJY 2026-03-22 12/600 2026-03-26 18:49 by muchong357
[¿¼ÑÐ] ²ÄÁÏ¿ÆÑ§Ó빤³Ì 317Çóµ÷¼Á +4 JKSOIID 2026-03-26 4/200 2026-03-26 15:58 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] Ò»Ö¾Ô¸ºÓ¹¤´ó 081700 276Çóµ÷¼Á +4 µØÇòÈÆ×ÅÌ«Ñôת 2026-03-23 4/200 2026-03-26 14:27 by zzll406
[¿¼ÑÐ] Çóµ÷¼Á +3 QiMing7 2026-03-25 3/150 2026-03-25 21:13 by ¸øÄãÄã×¢ÒâÐÝÏ¢
[¿¼ÑÐ] 293Çóµ÷¼Á +7 ¼ÓÒ»Ò»¾Å 2026-03-24 7/350 2026-03-25 12:02 by userper
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +3 iwinso 2026-03-23 3/150 2026-03-25 11:29 by greychen00
[¿¼ÑÐ] 0703»¯Ñ§Çóµ÷¼Á +6 ÄÌÓͲÝÝ®. 2026-03-22 7/350 2026-03-25 10:00 by shangxh
[¿¼ÑÐ] 318Çóµ÷¼Á +3 plumÀî×Ó 2026-03-23 3/150 2026-03-25 09:42 by ÎíÉ¢ºóÏàÓölc
[¿¼ÑÐ] »¯Ñ§µ÷¼Á +6 yzysaa 2026-03-21 6/300 2026-03-25 09:27 by aa331100
[¿¼ÑÐ] µ÷¼Á +4 13853210211 2026-03-24 4/200 2026-03-24 19:44 by ms629
[¿¼ÑÐ] ²ÄÁÏר˶331Çóµ÷¼Á +4 Ïʵ±Å£ 2026-03-24 4/200 2026-03-24 15:58 by JourneyLucky
[¿¼ÑÐ] 341Çóµ÷¼Á(Ò»Ö¾Ô¸ºþÄÏ´óѧ070300) +5 ·¬ÇÑÍ·--- 2026-03-22 6/300 2026-03-23 23:45 by Txy@872106
[¿¼ÑÐ] 303Çóµ÷¼Á +5 °²ÒäÁé 2026-03-22 6/300 2026-03-22 12:46 by ËØÑÕÇã³Ç1988
[¿¼ÑÐ] 336Çóµ÷¼Á +5 rmc8866 2026-03-21 5/250 2026-03-21 17:24 by ѧԱ8dgXkO
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û