24СʱÈÈÃŰæ¿éÅÅÐаñ    

Znn3bq.jpeg
²é¿´: 825  |  »Ø¸´: 3

òã¶ÌÁ÷³¤

ľ³æ (ÖøÃûдÊÖ)


[½»Á÷] ¡¾ÇóÖú¡¿Á×ËỺ³åÈÜÒºÈçºÎÅäÖã¿

Á×ËỺ³åÈÜÒº(PB, pH 6.98)Óà Na2HPO4  ºÍ KH2PO4 ÈÜÒºÅäÖÆ£¬ÈçºÎÅäÖÆ£¿
»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

nana9350

ľ³æ (ÕýʽдÊÖ)


òã¶ÌÁ÷³¤(½ð±Ò+1): 2010-12-20 11:02:23
òã¶ÌÁ÷³¤(½ð±Ò+1): 2011-03-23 16:28:46
pH=7.0   ¾ùΪ0.2mol/L
NaH2PO4   39.0ml £¬Na2HPO4  61.0ml
2Â¥2010-12-07 19:15:35
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hu64191423

½ð³æ (ÕýʽдÊÖ)


òã¶ÌÁ÷³¤(½ð±Ò+1): 2010-12-20 11:02:31
òã¶ÌÁ÷³¤(½ð±Ò+1): 2011-03-23 16:28:51
Õâ¸öÅäÖõÄʱºòÓÃPHËá¶È¼Æ²âÊÔ°¡£¬ºÜ¼òµ¥µÄ¸ç¸ç
3Â¥2010-12-07 22:34:42
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÆäʵÎҺܺÃ

½ð³æ (СÓÐÃûÆø)


¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
ÓÐûÓоßÌåµÄ¹«Ê½¼ÆËãÌå»ý
4Â¥2011-09-13 17:07:33
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ òã¶ÌÁ÷³¤ µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 300Çóµ÷¼Á +4 ³Èa777 2026-04-15 4/200 2026-04-15 20:05 by ѧԱJpLReM
[¿¼ÑÐ] 0854µ÷¼Á +13 ³¤¹­°Á 2026-04-12 16/800 2026-04-15 13:45 by fenglj492
[¿¼ÑÐ] ¿ÒÇëÓÐѧУÊÕÁô +3 ¿Â»´È» 2026-04-12 3/150 2026-04-14 16:25 by ÄæË®³Ë·ç
[½Ìʦ֮¼Ò] ת³¤Æ¸ÁË +7 ¼òµ¥»¯xn 2026-04-13 7/350 2026-04-14 14:50 by xindong
[¿¼ÑÐ] Çóµ÷¼Á +16 Ñ©·ê¶¬ 2026-04-10 16/800 2026-04-14 14:27 by ÄæË®³Ë·ç
[¿¼ÑÐ] 245Çóµ÷¼Á +6 ±ùÌÇéÙ?ÆûË® 2026-04-13 10/500 2026-04-14 10:49 by jyl0317
[¿¼ÑÐ] һ־Ը˫·Ç085400µç×ÓÐÅÏ¢344 Çóµ÷¼Á£¬¶Ô²ÄÁϺͻ¯Ñ§·½ÏòÒ²¸ÐÐËȤ +12 ÎÞÇéµÄСÑò 2026-04-09 13/650 2026-04-13 14:17 by ÕÅzhihao
[¿¼ÑÐ] Ò»Ö¾Ô¸085802 323·ÖÇóµ÷¼Á +13 drizzle_9 2026-04-12 14/700 2026-04-13 10:26 by Faiz5552
[¿¼ÑÐ] 0831Ò»ÂÖµ÷¼Áʧ°ÜÇóÖú +10 СÐÜî£î£_s 2026-04-11 10/500 2026-04-12 22:43 by ³¤¹­°Á
[¿¼ÑÐ] 307Çóµ÷¼Á +10 tzq94092 2026-04-10 10/500 2026-04-12 08:18 by wise999
[¿¼ÑÐ] Ò»Ö¾Ô¸Ïôó0856£¬306Çóµ÷¼Á +15 Bblinging 2026-04-11 15/750 2026-04-11 22:53 by 314126402
[¿¼ÑÐ] µ÷¼Á +6 ÇàµÆ²»¸º 2026-04-09 6/300 2026-04-11 20:35 by dongdian1
[¿¼ÑÐ] 085400 328·Ö Çóµ÷¼Á +10 ιÄãÒ»¸ö´ó³È×Ó 2026-04-09 14/700 2026-04-11 19:53 by lqspecial
[¿¼ÑÐ] µ÷¼ÁÇóÖú +6 ¹ûÈ»ÓÐÎÒ 2026-04-11 7/350 2026-04-11 16:22 by Ã÷Ô´ËʱÓÐ
[¿¼ÑÐ] ±¾ÈËÅ®º¢ +7 ºðºð£¬ 2026-04-10 9/450 2026-04-11 14:45 by ACS Nano¡ª¡ª
[¿¼ÑÐ] 281Çóµ÷¼Á +11 ¾õµÃºÃµÄ°É 2026-04-10 11/550 2026-04-11 09:35 by ÄæË®³Ë·ç
[¿¼ÑÐ] ±¾9 Ò»Ö¾Ô¸Î÷¹¤´ó085601 324Çóµ÷¼Á +5 wysyjs25 2026-04-10 5/250 2026-04-10 16:57 by luoyongfeng
[¿¼ÑÐ] 085800 ÄÜÔ´¶¯Á¦Çóµ÷¼Á +6 °¢biu°¡°¡°¡°¡°¡ 2026-04-10 6/300 2026-04-10 15:03 by hemengdong
[¿¼ÑÐ] 337Çóµ÷¼Á +4 Gky09300550£¬ 2026-04-09 4/200 2026-04-09 17:18 by ÅÁ¶ûÂíÀ­ÌØ
[¿¼ÑÐ] 349ѧ¿Æ»¯Ñ§045106Çóµ÷¼Á£¬»¯Ñ§Àà¶¼¿ÉÒÔ +8 ±£ºÃ¶®¶® 2026-04-08 8/400 2026-04-09 14:03 by xulei3024
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û