±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 875  |  »Ø¸´: 4

ÓàÑǶ«ÄãºÃ

½ð³æ (ÖøÃûдÊÖ)

[ÇóÖú] ¹ØÓÚEDTAÂçºÏ¼ÁµÄÎÊÌâ ÒÑÓÐ1È˲ÎÓë

EDTAÓë¸ÆÀë×ÓÐγɵÄÂçºÏÎïÒÀ´ÎÓëNaOHÈÜÒº£¬²úÎïÊÇʲô£¿
ÔÚ²úÎïÖÐÔÙ¼ÓÈëÁ×Ëá¶þÇâÄÆÈÜÒº£¬»á²úÉúôÇ»ùÁ×»ÒʯÂð£¿
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

Ö¹ÓÚÖÁÉÆ
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

³£ÇàÖñ

ľ³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
ÓàÑǶ«ÄãºÃ: ½ð±Ò+20, ¡ï¡ï¡ïºÜÓаïÖú 2015-09-05 16:36:36
²úÉúôÇ»ùÁ×»Òʯ£¬EDTAÓë¸ÆÀë×ÓÐγɵÄÂçºÏÎïÒÀ´ÎÓëNaOHÈÜÒºÕâ¾ä»°²»ÔõôÃ÷°×£¬ÊDz»Í£¼ÓÈëNaOHÈÜÒº¡£
2Â¥2015-09-05 09:44:42
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÓàÑǶ«ÄãºÃ

½ð³æ (ÖøÃûдÊÖ)

д´íÁË£¬¾ÍÊÇÔÚÂçºÏÎïÈÜÒºÖмÓÈëÒ»¶¨Á¿µÄNaOHÈÜÒº£¬ÈÃËûÃÇ·´Ó¦£¬ÕâÒ»²½²úÎïÊÇÊ²Ã´ÄØ£¬È»ºóÔÙ¼ÓÁ×Ëá¶þÇâÄÆÈÜÒº×îºóµÄ²úÎïÊÇôÇ»ùÁ×»Òʯ£¿

[ ·¢×ÔÊÖ»ú°æ http://muchong.com/3g ]
Ö¹ÓÚÖÁÉÆ
3Â¥2015-09-05 10:55:34
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÓàÑǶ«ÄãºÃ

½ð³æ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
2Â¥: Originally posted by ³£ÇàÖñ at 2015-09-05 09:44:42
²úÉúôÇ»ùÁ×»Òʯ£¬EDTAÓë¸ÆÀë×ÓÐγɵÄÂçºÏÎïÒÀ´ÎÓëNaOHÈÜÒºÕâ¾ä»°²»ÔõôÃ÷°×£¬ÊDz»Í£¼ÓÈëNaOHÈÜÒº¡£

д´íÁË£¬¾ÍÊÇÔÚÂçºÏÎïÈÜÒºÖмÓÈëÒ»¶¨Á¿µÄNaOHÈÜÒº£¬ÈÃËûÃÇ·´Ó¦£¬ÕâÒ»²½²úÎïÊÇÊ²Ã´ÄØ£¬È»ºóÔÙ¼ÓÁ×Ëá¶þÇâÄÆÈÜÒº×îºóµÄ²úÎïÊÇôÇ»ùÁ×»Òʯ£¿

[ ·¢×ÔÊÖ»ú°æ http://muchong.com/3g ]
Ö¹ÓÚÖÁÉÆ
4Â¥2015-09-05 10:56:05
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

³£ÇàÖñ

ľ³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
4Â¥: Originally posted by ÓàÑǶ«ÄãºÃ at 2015-09-05 10:56:05
д´íÁË£¬¾ÍÊÇÔÚÂçºÏÎïÈÜÒºÖмÓÈëÒ»¶¨Á¿µÄNaOHÈÜÒº£¬ÈÃËûÃÇ·´Ó¦£¬ÕâÒ»²½²úÎïÊÇÊ²Ã´ÄØ£¬È»ºóÔÙ¼ÓÁ×Ëá¶þÇâÄÆÈÜÒº×îºóµÄ²úÎïÊÇôÇ»ùÁ×»Òʯ£¿
...

Õâ¸öʵÑéÎÒ×ö¹ý£¨PH´óÓÚ6£©£¬×îÖյIJúÎïÊÇôÇ»ùÁ×»Òʯ£¬Ç°ÃæµÄÎÒûÓÐ×ö¡£¼ÓÈëNaOHÈÜÒº£¬Ö»ÊǸıäEDTAµÄ´æÔÚÐÎʽ£¬Èçͼ£¬
¹ØÓÚEDTAÂçºÏ¼ÁµÄÎÊÌâ
1.png

5Â¥2015-09-05 14:29:28
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ ÓàÑǶ«ÄãºÃ µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 085701»·¾³¹¤³Ì£¬267Çóµ÷¼Á +11 minht 2026-03-26 11/550 2026-03-27 20:52 by ÈÈÇéɳĮ
[¿¼ÑÐ] 315·ÖÇóµ÷¼Á +6 26¿¼ÑÐÉϰ¶°æ26 2026-03-26 6/300 2026-03-27 19:54 by WYUMater
[¿¼ÑÐ] 277¹òÇóµ÷¼Á +5 1915668 2026-03-27 8/400 2026-03-27 19:53 by WYUMater
[¿¼ÑÐ] 295²ÄÁϹ¤³Ìר˶Çóµ÷¼Á +3 1428151015 2026-03-27 3/150 2026-03-27 19:49 by JourneyLucky
[¿¼ÑÐ] 266Çóµ÷¼Á +11 ÑôÑôÍÛÈû 2026-03-27 12/600 2026-03-27 17:56 by yu221
[¿¼ÑÐ] Ò»Ö¾Ô¸ÄÏʦ´ó0703»¯Ñ§ 275Çóµ÷¼Á +4 RipcordÉϰ¶ 2026-03-27 4/200 2026-03-27 17:00 by zhyzzh
[¿¼ÑÐ] 274Çóµ÷¼Á +17 ¹Ë¾ÅóÏҪǫÐé 2026-03-24 23/1150 2026-03-27 15:16 by caszguilin
[¿¼ÑÐ] 0856£¬²ÄÁÏÓ뻯¹¤321·ÖÇóµ÷¼Á +4 ´ó²öС×Ó 2026-03-27 4/200 2026-03-27 13:07 by yhmsz
[¿¼ÑÐ] ²ÄÁÏѧ˶£¬Çóµ÷¼Á 6+5 ÌǺù«888ll 2026-03-22 10/500 2026-03-27 08:18 by hypershenger
[¿¼ÑÐ] 304²ÄÁÏÇóµ÷¼Á +4 ÖÓllll 2026-03-26 4/200 2026-03-27 03:42 by wxiongid
[¿¼ÑÐ] 321Çóµ÷¼Á +6 Ymlll 2026-03-24 6/300 2026-03-26 20:50 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] µ÷¼Á +4 èÖèÖyoyo 2026-03-26 4/200 2026-03-26 20:43 by fmesaito
[¿¼ÑÐ] »·¾³×¨Ë¶324·ÖÇóµ÷¼ÁÍÆ¼ö +5 ÐùСÄþ¡ª¡ª 2026-03-26 5/250 2026-03-26 12:05 by i_cooler
[¿¼ÑÐ] ¿¼ÑÐÒ»Ö¾Ô¸ËÕÖÝ´óѧ³õʼ315£¨Ó¢Ò»£©Çóµ÷¼Á +3 sbdksD 2026-03-24 4/200 2026-03-25 18:16 by xcjcqu
[¿¼ÑÐ] 0854AI CV·½ÏòÕÐÊÕµ÷¼Á +4 ÕÂСÓã567 2026-03-23 4/200 2026-03-25 17:04 by CoderLoser
[¿¼ÑÐ] ²ÄÁÏר˶ÕÒµ÷¼Á +5 ¹þ¹þ¹þºðºðºð¹þ 2026-03-23 5/250 2026-03-24 19:07 by ÁËÁËÁËÁË¡£¡£
[¿¼ÑÐ] 292Çóµ÷¼Á +4 ¶ì¶ì¶ì¶î¶î¶î¶î¶ 2026-03-24 4/200 2026-03-24 16:41 by peike
[¿¼ÑÐ] Ò»Ö¾Ô¸ºÓ±±¹¤Òµ´óѧ0817»¯¹¤278·ÖÇóµ÷¼Á +7 jhybd 2026-03-23 12/600 2026-03-24 09:03 by jhybd
[¿¼ÑÐ] ½ÓÊÕ2026˶ʿµ÷¼Á(ѧ˶+ר˶) +4 allen-yin 2026-03-23 6/300 2026-03-23 15:04 by Íô£¡£¿£¡
[¿¼ÑÐ] ÇóÖú +5 ÃÎÀïµÄÎÞÑÔ 2026-03-21 6/300 2026-03-21 17:51 by ѧԱ8dgXkO
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û