Znn3bq.jpeg
²é¿´: 2955  |  »Ø¸´: 7
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

shmily430

½û³æ (СÓÐÃûÆø)

±¾ÌûÄÚÈݱ»ÆÁ±Î

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

» ÇÀ½ð±ÒÀ²£¡»ØÌû¾Í¿ÉÒԵõ½:

²é¿´È«²¿É¢½ðÌù

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

shmily430

½û³æ (СÓÐÃûÆø)

±¾ÌûÄÚÈݱ»ÆÁ±Î

4Â¥2011-07-05 08:50:05
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 8 ¸ö»Ø´ð

shelly8059

½ð³æ (СÓÐÃûÆø)


¡ï
shmily430(½ð±Ò+1):лл²ÎÓë
ÅäÏ൱ÓÚ0.1mol/LµÄ´×ËáÄÆÈÜÒº£¬Óô×Ëáµ÷pHµ½6¾Í¿ÉÒÔÁË¡£
0.1MÒÒËá-ÒÒËáÄÆ»º³åÈÜÒºÒªÇó´×Ëá¸ùµÄŨ¶ÈÊÇ0.1mol/L£¬ÒòΪ¸Ã»º³åÒºÖд×ËáįĦ¶ûÊýÏà¶ÔÓÚ´×Ëá¸ùÕ¼97%ÒÔÉÏ£¬ËùÒÔÓÃÒÔÉÏ·½·¨ÅäûÎÊÌâ¡£
2Â¥2011-07-04 16:12:35
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

luhuan666

½ð³æ (ÕýʽдÊÖ)


¡ï
shmily430(½ð±Ò+1):лл²ÎÓë
ÄãÅäµÄ»º³åÈÜÒºPHÊǶàÉÙ°¡
²»ÖªµÀ¹âÓÐŨ¶ÈÔõôÅä¡£¡£
3Â¥2011-07-04 16:58:25
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

luhuan666

½ð³æ (ÕýʽдÊÖ)


PH
4.0  20g NaCH3COOH.3H2OÈÜÓÚÊÊÁ¿Ë®,6molCH3COOH134mL,¶¨ÈÝ500mL
4.5  32g NaCH3COOH.3H2OÈÜÓÚÊÊÁ¿Ë®,6molCH3COOH68mL£¬¶¨ÈÝ500mL
5.0  50g NaCH3COOH.3H2OÈÜÓÚÊÊÁ¿Ë®,6molCH3COOH34mL£¬¶¨ÈÝ500mL
²»ÖªµÀÊDz»ÊÇÄãÐèÒªµÄ
5Â¥2011-07-05 09:22:37
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 296Çóµ÷¼Á +10 Íô£¡£¿£¡ 2026-04-10 12/600 2026-04-10 22:15 by Öí»á·É
[¿¼ÑÐ] 0858Çóµ÷¼Á 5+5 Gky09300550£¬ 2026-04-10 8/400 2026-04-10 19:13 by chemisry
[¿¼ÑÐ] 296Çóµ÷¼Á +6 Íô£¡£¿£¡ 2026-04-08 6/300 2026-04-10 11:02 by mattzhming
[¿¼ÑÐ] »·¾³×¨Ë¶µ÷¼Á +16 »á˵»°µÄÖâ×Ó 2026-04-06 16/800 2026-04-10 10:30 by asy1wn
[¿¼ÑÐ] 22408 352·ÖÇóµ÷¼Á0854Àà +3 ŬÁ¦µÄÏÄÄ© 2026-04-09 3/150 2026-04-10 10:12 by 314126402
[¿¼ÑÐ] ¹¤¿Æ273µ÷¼Á +5 X1999 2026-04-09 6/300 2026-04-10 07:52 by 1753564080
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤371Çóµ÷¼Á +17 ÅãÁÕ¿´º£ 2026-04-04 18/900 2026-04-10 07:51 by 314126402
[¿¼ÑÐ] Ò»Ö¾Ô¸Öйú¿ÆÑ§ÔºÉϺ£ÓлúËù£¬Óлú»¯Ñ§356·ÖÕÒµ÷¼Á +11 Nadiums 2026-04-09 11/550 2026-04-09 18:04 by lijunpoly
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤×¨Ë¶329 Çóµ÷¼Á +24 ¶îcc 2026-04-06 25/1250 2026-04-09 16:01 by wp06
[¿¼ÑÐ] 280Çóµ÷¼Á +7 wzzzÍõ 2026-04-09 7/350 2026-04-09 15:32 by ÊÍ·ÅÌìÐÔ
[¿¼ÑÐ] 311Çóµ÷¼Á +6 surte 2026-04-08 13/650 2026-04-09 14:00 by surte
[¿¼ÑÐ] 277¡¢Ñ§Ë¶£¬Çóµ÷¼Á ÊýÒ»104£¬ +11 Æ¿×ÓPZ 2026-04-07 12/600 2026-04-07 23:30 by Ò»Ö»ºÃ¹û×Ó?
[¿¼ÑÐ] 323Çóµ÷¼Á +3 ÁÖzlu 2026-04-07 4/200 2026-04-07 23:21 by lbsjt
[¿¼ÑÐ] ±¾¿ÆÉúÎïÐÅϢѧ£¬×Ü·Ö362 Çó07 08µ÷¼Á +6 qСٻ1210 2026-04-06 6/300 2026-04-07 19:40 by macy2011
[¿¼ÑÐ] ²ÄÁϹ¤³Ì310ר˶µ÷¼Á +14 ÀÌÀÌÎÒ¡­. 2026-04-04 15/750 2026-04-06 14:18 by lqwchd
[¿¼ÑÐ] 377Çóµ÷¼Á +6 by.ovo 2026-04-05 6/300 2026-04-05 22:18 by dongzh2009
[¿¼ÑÐ] 322Çóµ÷¼Á +3 àźߺߺã 2026-04-05 3/150 2026-04-05 19:52 by nepu_uu
[¿¼ÑÐ] ÉúÎïѧ308·ÖÇóµ÷¼Á£¨Ò»Ö¾Ô¸»ª¶«Ê¦´ó£© +8 ÏàÐűػá¹ââÍòÕ 2026-04-05 10/500 2026-04-05 12:19 by Hdyxbekcb
[¿¼ÑÐ] 342Çóµ÷¼Á +3 Liang7111 2026-04-04 5/250 2026-04-04 19:47 by dongzh2009
[¿¼ÑÐ] ÔõôɾÌû×Ó°¡ +3 ·ìêØ1000 2026-04-04 3/150 2026-04-04 14:20 by ÍÁľ˶ʿÕÐÉú
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û