±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 752  |  »Ø¸´: 1

yes3210yes

³¬¼¶°æÖ÷

ÓÅÐ㣡£¡ÓÐľÓУ¡£¡£¡ÓÅÐ㣡£¡ÓÐľÓУ¡£¡£¡ÓÅÐ㣡£¡ÓÐľÓУ¡£¡£¡ÓÅÐ㣡£¡ÓÐľÓУ¡£¡£¡

[½»Á÷] EDTAÌáÈ¡ÖØ½ðÊôµÄЧÂÊÊÇÊÜEDTAŨ¶ÈµÄÓ°Ïì´ó»¹ÊÇphÓ°Ïì´ó£¿ ÒÑÓÐ1È˲ÎÓë

ÎÄÏ׳£ÓõÄEDTAÌáÈ¡ÖØ½ðÊôµÄŨ¶ÈΪ0.05M£¬¶øEDTAµÄÂçºÏÄÜÁ¦ÓÐËáЧӦ£¬phÖµÔ½¸ßÌáȡЧÂÊÔ½¸ß£¿ÄÇôÎÒÏëÌá¸ßÆä¶ÔCdµÄÌáȡЧÂʵϰ£¨Ä¿Ç°ÊÔÁË0.05M£¬ph=9µÄÇé¿öÏÂÒª48h²ÅÄÜÌáȡƽºâ£©£¬ÊDz»ÊÇ¿ÉÒÔͬʱ°ÑŨ¶ÈÀ©´óÒ»±¶£¬°ÑEDTAµÄpHÒ²µ÷¸ß£¨ph=10£©±È½ÏºÃ£¿

Çó½Ì£¬Ð»Ð»~
»Ø¸´´ËÂ¥
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

pxiaojuan

ʵϰ°æÖ÷

ÓÅÐ㣡£¡ÓÐľÓУ¡£¡£¡ÓÅÐ㣡£¡ÓÐľÓУ¡£¡£¡ÓÅÐ㣡£¡ÓÐľÓУ¡£¡£¡ÓÅÐ㣡£¡ÓÐľÓУ¡£¡£¡

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
µ±´ó¼Ò¶¼ÓÃÕâ¸öŨ¶È£¬Äãµ÷¸ßŨ¶È×ö³öÀ´µÄ½á¹ûÊDz»ÊǾÍûɶ¶Ô±ÈÒâÒåÁË

·¢×ÔСľ³æAndroid¿Í»§¶Ë
2Â¥2021-06-01 13:36:51
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ yes3210yes µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 0856£¬269·ÖÇóµ÷¼Á +8 ÓÐѧÉϾÍÐÐÇóÇóÁ 2026-03-30 11/550 2026-04-01 22:33 by 2026²ÄÁϵ÷¼Á
[¿¼ÑÐ] °²È«¹¤³Ì 285 Çóµ÷¼Á +3 Xinyu56 2026-04-01 4/200 2026-04-01 21:50 by ¾²¾²¾²¾²¾²¾²¾²¾
[¿¼ÑÐ] ²ÄÁÏ¿ÆÑ§Ó빤³Ì339Çóµ÷¼Á +11 hyz0119 2026-03-31 12/600 2026-04-01 18:40 by ΰ´óºÓ±±
[¿¼ÑÐ] µ÷¼Á +3 ºÃºÃ¶ÁÊé¡£ 2026-04-01 3/150 2026-04-01 17:06 by zhouyuwinner
[¿¼ÑÐ] 314Çóµ÷¼Á +4 ÏªÔÆçæ 2026-03-26 4/200 2026-04-01 17:00 by oooqiao
[¿¼ÑÐ] ²ÄÁÏר˶306Ó¢Ò»Êý¶þ +7 z1z2z3879 2026-03-31 7/350 2026-04-01 14:50 by ZXlzxl0425
[¿¼ÑÐ] ²ÄÁÏ0856 Ó¢Ò»Êý¶þ 323 Çóµ÷¼Á +9 Ô¬sy 2026-04-01 9/450 2026-04-01 14:30 by wangjy2002
[¿¼ÑÐ] 085600£¬321·ÖÇóµ÷¼Á +13 ´ó²öС×Ó 2026-03-31 13/650 2026-04-01 12:35 by chemdavid
[¿¼ÑÐ] ¡¾µ÷¼Á¡¿Ò»Ö¾Ô¸ÏôóÉúÎïÓëÒ½Ò©µ÷¼Á +3 EchoϺÃ× 2026-03-31 3/150 2026-04-01 08:40 by JourneyLucky
[¿¼ÑÐ] 080200ѧ˶£¬»úе¹¤³Ìרҵ277·Ö£¬Çó´ø×ߣ¡ +4 Æ¿×ÓPZ 2026-03-31 4/200 2026-03-31 20:16 by vgtyfty
[¿¼ÑÐ] 343Çóµ÷¼Á +8 °®î¿°í 2026-03-28 8/400 2026-03-31 16:12 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] 286Çóµ÷¼Á +6 Faune 2026-03-30 6/300 2026-03-31 14:37 by jp9609
[¿¼ÑÐ] 293·ÖÇóµ÷¼Á£¬ÍâÓïΪ¶íÓï +5 ¼ÓÒ»Ò»¾Å 2026-03-31 5/250 2026-03-31 09:39 by zhshch
[¿¼ÑÐ] 303Çóµ÷¼Á +7 DLkz1314. 2026-03-30 7/350 2026-03-30 21:07 by peike
[¿¼ÑÐ] 0703»¯Ñ§Çóµ÷¼Á +6 µ¤ÇàÄÌ¸Ç 2026-03-26 8/400 2026-03-30 18:33 by ̽123
[¿¼ÑÐ] 329Çóµ÷¼Á +8 ÐÇÒ°? 2026-03-26 8/400 2026-03-30 13:41 by chemdavid
[¿¼ÑÐ] ¸´ÊÔµ÷¼Á£¬Ò»Ö¾Ô¸ÄÏÅ©083200ʳƷ¿ÆÑ§Ó빤³Ì +5 XQTJZ 2026-03-26 5/250 2026-03-27 14:49 by ¿ñìÅÂóµ±µ±
[¿¼ÑÐ] 305Çóµ÷¼Á +5 ÍÛ¬¿¨¿â 2026-03-26 5/250 2026-03-27 14:01 by laoshidan
[¿¼ÑÐ] µ÷¼ÁÇóÊÕÁô +7 ¹ûÈ»ÓÐÎÒ 2026-03-26 7/350 2026-03-27 00:26 by wxiongid
[¿¼ÑÐ] 085602»¯Ñ§¹¤³ÌÇóµ÷¼Á¡£ +4 ƽÀÖÀÖÀÖ 2026-03-26 4/200 2026-03-26 17:57 by fmesaito
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û