²é¿´: 646  |  »Ø¸´: 3

xmcyj

гæ (СÓÐÃûÆø)


[½»Á÷] ¡¾ÇóÖú¡¿ÇóÖú Á×ËỺ³åÒºÅäÖÆ

¼±£¬pH5.5µÄÁ×ËỺ³åÈÜÒºÔõôÅä°¡£¿£¿ÔÚÏߵȣ¬
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

» ÇÀ½ð±ÒÀ²£¡»ØÌû¾Í¿ÉÒԵõ½:

²é¿´È«²¿É¢½ðÌù

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

»ª±±·çÇé

Ìú³æ (СÓÐÃûÆø)


»ª±±·çÇé

¡ï
zeng1986kai(½ð±Ò+1): ллӦÖú£¡ 2011-03-15 08:52:26
xmcyj(½ð±Ò+5): 2011-08-24 16:54:30
pH=pKa+lg[H3PO4]/[H2PO4-]  ÆäÖÐKa=7.6*10-3   ¼´¿ÉÇóµÃ
2Â¥2011-03-14 23:08:53
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xmcyj

гæ (СÓÐÃûÆø)


ÒýÓûØÌû:
Originally posted by »ª±±·çÇé at 2011-03-14 23:08:53:
pH=pKa+lg[H3PO4]/[H2PO4-]  ÆäÖÐKa=7.6*10-3   ¼´¿ÉÇóµÃ

´óÏÀ£¬Äܲ»Äܸø¸öÏêϸµÄÅä·½°¡£¬±¾È˽ϱ¿°¡£¡
3Â¥2011-03-15 09:00:15
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

haonan4767

Ìú¸Ëľ³æ (СÓÐÃûÆø)


xmcyj(½ð±Ò+5): 2011-08-24 16:54:39
pH5.5µÄÁ×ËỺ³åÈÜÒº£¬ÎÒ֮ǰÅä¹ýpH=5-6µÄ£¬0.3mLµÄÁ×Ëá+0.8mLµÄTEA+500mLµÄË®¡£Äã¿ÉÒÔÉÙ¼ÓµãÈýÒÒ°·»òÕßÇâÑõ»¯ÄÆ£¬ÓÃpH¼ÆÂýÂýµ÷À²
Ò»°ãÓÃÁ×ËáÇâ¶þÄÆºÍÁ×Ëá¶þÇâÄÆµÄ±È½Ï¶à£¬Á×ËáµÄ±È½ÏÉÙ
4Â¥2011-03-19 15:50:03
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ xmcyj µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 297Çóµ÷¼Á +9 Ï·¾«µ¤µ¤µ¤ 2026-03-17 9/450 2026-03-21 01:49 by JourneyLucky
[¿¼ÑÐ] ¡¾¿¼Ñе÷¼Á¡¿»¯Ñ§×¨Òµ 281·Ö£¬Ò»Ö¾Ô¸ËÄ´¨´óѧ£¬³ÏÐÄÇóµ÷¼Á +8 ³Ô³Ô³Ô²ÅÓÐÒâÒå 2026-03-19 8/400 2026-03-21 00:49 by Áõ¹úÉ­
[¿¼ÑÐ] 274Çóµ÷¼Á +10 S.H1 2026-03-18 10/500 2026-03-20 23:51 by JourneyLucky
[¿¼ÑÐ] Äϲý´óѧ²ÄÁÏר˶311·ÖÇóµ÷¼Á +5 77chaselx 2026-03-20 5/250 2026-03-20 23:42 by lovewei0727
[¿¼ÑÐ] 308Çóµ÷¼Á +3 °¢½ã°¢½ã¼Ò°¡ 2026-03-18 3/150 2026-03-20 23:24 by JourneyLucky
[¿¼ÑÐ] 304Çóµ÷¼Á +7 ˾¿Õ. 2026-03-18 7/350 2026-03-20 23:08 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸ÎäÀí²ÄÁϹ¤³Ì348Çóµ÷¼Á +3 £þ^£þ©bº¹ 2026-03-19 4/200 2026-03-20 21:01 by zhukairuo
[¿¼ÑÐ] Çóµ÷¼Á +5 Mqqqqqq 2026-03-19 5/250 2026-03-20 20:46 by zhukairuo
[¿¼ÑÐ] Çóµ÷¼Á +3 eation27 2026-03-20 3/150 2026-03-20 19:32 by JourneyLucky
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤×¨Ë¶µ÷¼Á +7 heming3743 2026-03-16 7/350 2026-03-20 19:31 by zhukairuo
[¿¼ÑÐ] Ò»Ö¾Ô¸ÄÏÀí¹¤085701»·¾³302Çóµ÷¼ÁԺУ +3 ¿ûè÷ÎÀ¶Ó 2026-03-20 3/150 2026-03-20 19:28 by zhukairuo
[¿¼ÑÐ] 086500 325 Çóµ÷¼Á +3 Áì´øÐ¡ÐÜ 2026-03-19 3/150 2026-03-20 18:38 by ¾¡Ë´Ò¢1
[¿¼ÑÐ] 281Çóµ÷¼Á£¨0805£© +14 ÑÌÏ«Ò亣 2026-03-16 25/1250 2026-03-20 15:47 by yuncha
[¿¼ÑÐ] 0856µ÷¼Á£¬ÊÇѧУ¾ÍÈ¥ +8 sllhht 2026-03-19 9/450 2026-03-20 14:25 by ÎÞи¿É»÷111
[¿¼ÑÐ] 085601²ÄÁϹ¤³Ìר˶Çóµ÷¼Á +10 Ľº®mio 2026-03-16 10/500 2026-03-19 15:26 by ¶¡¶¡*
[¿¼ÑÐ] 328Çóµ÷¼Á£¬Ó¢ÓïÁù¼¶551£¬ÓпÆÑо­Àú +4 ÉúÎ﹤³Ìµ÷¼Á 2026-03-16 12/600 2026-03-19 11:10 by ÉúÎ﹤³Ìµ÷¼Á
[¿¼ÑÐ] 299Çóµ÷¼Á +5 ¡÷С͸Ã÷* 2026-03-17 5/250 2026-03-18 11:49 by ¾¡Ë´Ò¢1
[¿¼ÑÐ] 085601Çóµ÷¼Á +4 Du.11 2026-03-16 4/200 2026-03-17 17:08 by ruiyingmiao
[¿¼ÑÐ] 070303 ×Ü·Ö349Çóµ÷¼Á +3 LJY9966 2026-03-15 5/250 2026-03-16 14:24 by xwxstudy
[¿¼ÑÐ] 277²ÄÁÏ¿ÆÑ§Ó빤³Ì080500Çóµ÷¼Á +3 ×ÔÓɼå±ý¹û×Ó 2026-03-16 3/150 2026-03-16 14:10 by ÔËÆøyunqi
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û