²é¿´: 641  |  »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] 08¹¤Ñ§µ÷¼Á +5 Óû§573181 2026-03-20 5/250 2026-03-20 15:47 by xia_2003
[¿¼ÑÐ] 281Çóµ÷¼Á£¨0805£© +14 ÑÌÏ«Ò亣 2026-03-16 25/1250 2026-03-20 15:47 by yuncha
[¿¼ÑÐ] 265Çóµ÷¼Á +8 ÁºÁºÐ£Ð£ 2026-03-17 8/400 2026-03-20 14:40 by 27µÀ¿ÆÌØ
[¿¼ÑÐ] 265Çóµ÷¼Á +9 ÁºÁºÐ£Ð£ 2026-03-19 9/450 2026-03-20 12:33 by lature00
[¿¼ÑÐ] 290Çóµ÷¼Á +4 ^O^Ø¿ 2026-03-19 4/200 2026-03-20 11:51 by ѧԱ8dgXkO
[¿¼ÑÐ] 085410È˹¤ÖÇÄÜר˶317Çóµ÷¼Á£¨0854¶¼¿ÉÒÔ£© +4 xbxudjdn 2026-03-18 4/200 2026-03-20 09:07 by ²»168
[¿¼ÑÐ] 307Çóµ÷¼Á +9 ÀäóÏ123 2026-03-17 9/450 2026-03-19 22:44 by ѧԱ8dgXkO
[¿¼²©] ¶«»ªÀí¹¤´óѧ»¯²Äרҵ26½ì˶ʿ²©Ê¿ÉêÇë +8 zlingli 2026-03-13 8/400 2026-03-19 16:32 by ÇáËɲ»ÉÙËæ
[¿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] 328Çóµ÷¼Á£¬Ó¢ÓïÁù¼¶551£¬ÓпÆÑо­Àú +3 ÉúÎ﹤³Ìµ÷¼Á 2026-03-17 7/350 2026-03-18 20:41 by Wangjingyue
[¿¼ÑÐ] 303Çóµ÷¼Á +4 î£08 2026-03-17 6/300 2026-03-18 11:01 by Iveryant
[¿¼²©] 26²©Ê¿ÉêÇë +3 1042136743 2026-03-17 3/150 2026-03-17 23:30 by ÇáËɲ»ÉÙËæ
[¿¼ÑÐ] ¿¼ÑÐÇóµ÷¼Á +3 éÙËÌ. 2026-03-17 4/200 2026-03-17 21:43 by ÓÐÖ»ÀêÅ«
[¿¼ÑÐ] 277µ÷¼Á +5 ×ÔÓɼå±ý¹û×Ó 2026-03-16 6/300 2026-03-17 19:26 by Àîleezz
[¿¼ÑÐ] ²ÄÁÏר˶326Çóµ÷¼Á +6 Ä«ìÏæ¦Ý· 2026-03-15 7/350 2026-03-17 17:10 by ruiyingmiao
[¿¼ÑÐ] Ò»Ö¾Ô¸ËÕÖÝ´óѧ²ÄÁϹ¤³Ì£¨085601£©×¨Ë¶ÓпÆÑо­ÀúÈýÏî¹ú½±Á½¸öʵÓÃÐÍרÀûÒ»ÏîÊ¡¼¶Á¢Ïî +6 ´ó»ðɽС»ðɽ 2026-03-16 8/400 2026-03-17 15:05 by ÎÞи¿É»÷111
[¿¼ÑÐ] ²ÄÁϹ¤³Ìר˶274Ò»Ö¾Ô¸211Çóµ÷¼Á +6 Ñ¦ÔÆÅô 2026-03-15 6/300 2026-03-17 11:05 by ѧԱh26Tkc
[¿¼ÑÐ] ¿¼Ñе÷¼Á +3 ä¿ya_~ 2026-03-17 5/250 2026-03-17 09:25 by Winj1e
[¿¼ÑÐ] 0854¿ØÖƹ¤³Ì 359Çóµ÷¼Á ¿É¿çרҵ +3 626776879 2026-03-14 9/450 2026-03-16 17:42 by 626776879
[¿¼ÑÐ] ÇóÀÏʦÊÕÁôµ÷¼Á +4 jiang½ª66 2026-03-14 5/250 2026-03-15 20:11 by Winj1e
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û