Znn3bq.jpeg
²é¿´: 13239  |  »Ø¸´: 11
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

dongfangzz

Òø³æ (СÓÐÃûÆø)

[½»Á÷] ¡¾ÇóÖú/½»Á÷¡¿EDTAÍѸÆÒºµÄÅäÖÆ·½·¨ ÒÑÓÐ8È˲ÎÓë

×ö¹Ç×éÖ¯ÍѸÆÊ±´ó¼ÒÓõÄEDTAÊǶàÉÙŨ¶ÈµÄѽ£¿ÎÄÏ×ÖÐŨ¶È²»Ò»¡£
EDTAÒºµÄ¾ßÌåÅäÖÆ·½·¨ÓÖÊÇʲôѽ?
лл£¡
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

sxlzhaonan

гæ (³õÈëÎÄ̳)

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
ÒýÓûØÌû:
4Â¥: Originally posted by kikie at 2010-06-29 20:54:25
ÎÒÓõÄÊÇ10£¥£¬ºÜ¶àÎÄÏ×Ò²ÊÇÓÃÕâ¸öŨ¶È£¬µ«ÊÇÅäÖÆ·½·¨²»Í¬ÒâÂ¥ÉÏ£¬ÓÃË®£¬NaOH£¬Èܽâºó¼ÓEDTA£¬ÕâÑùÒ»»á¶ù¾ÍÈܽâÅäÖÆÍê³ÉÁË¡£
ÒÔϹ©²Î¿¼£º
10%µÄEDTAÅä·¨:
1 ¼ÓÈÈË®Óò¹øÖÁ65¶È
2 900ml ddH2O
3 NaOH 11g(Õâ¸öÁ¿ ...

ÄãÕâ¸öµÚÁùÌõÊÇʲôÒâ˼£¿ÎÒÏÖÔÚÒ²ÔÚÓÃÕâ¸öÍѸƣ¬ÈܽⲻÁË£¬ÍûÖ¸½Ì
6Â¥2015-06-03 11:23:02
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 12 ¸ö»Ø´ð

lchp1

½ð³æ (³õÈëÎÄ̳)

¡ï ¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
reasonspare(½ð±Ò+1):лл·ÖÏí¡£ÓÐûÓÐpHµÄÒªÇó? 2010-06-29 04:35:51
Ò»°ã¾ÍÊÇ10%µ½20%£¬¿´Çé¿ö¶¨°É¡£¼ÓË®ºó£¬ÔٵμÓNaOH£¬·ÅÒ»¸öÍíÉϲ¶à¾ÍÈܽâÁË¡£
3Â¥2010-06-29 00:18:08
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

kikie

ľ³æ (ÕýʽдÊÖ)

¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
ÎÒÓõÄÊÇ10£¥£¬ºÜ¶àÎÄÏ×Ò²ÊÇÓÃÕâ¸öŨ¶È£¬µ«ÊÇÅäÖÆ·½·¨²»Í¬ÒâÂ¥ÉÏ£¬ÓÃË®£¬NaOH£¬Èܽâºó¼ÓEDTA£¬ÕâÑùÒ»»á¶ù¾ÍÈܽâÅäÖÆÍê³ÉÁË¡£
ÒÔϹ©²Î¿¼£º
10%µÄEDTAÅä·¨:
1 ¼ÓÈÈË®Óò¹øÖÁ65¶È
2 900ml ddH2O
3 NaOH 11g(Õâ¸öÁ¿¿ÉÒÔʹÖÕPHµ½7.2-7.3,ʡȥµ÷PH) ¼ÓÈëË®ÖÐ
4 EDTA-2Na 100g (Ũ¶È¿ÉÒÔÌá¸ßÖÁ15-20%),¼ÓÈëË®ÖÐ,ÇмDz»Òª°ÑNaOHºÍEDTA·Û»ìºÏºóÔÙ¼ÓË®,ÕâÑù»á³öÏÖºÖÉ«Îï
5 ÔÚË®Óò¹øÄÚ¼ÓÎÂ,¿ÉÒ¡»Î,15-20min×óÓÒ¿ÉÈ«ÈÜ
6 °´PBSÅä·½,¼ÓNa2HPO4ºÍNaH2PO4,NaCl,¶¨ÈÝÖÁ1000ml
7 µ÷PHÖÁ7.2-7.3,ÊÒλò4¶È±£´æ
ÐÔ³ÕÔòÖ¾Äý£¬¹ÊÊé³ÕÕßÎıع¤£¬ÒÕ³ÕÕß¼¼±ØÁ¼£»ÊÀÖ®ÂäÍØÎÞ³ÉÕߣ¬½Ô×Ôν²»³ÕÕßÒ²
4Â¥2010-06-29 20:54:25
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
лл·ÖÏí£¡
5Â¥2011-11-25 16:46:10
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 307ÖÐÒ½¿¼Ñе÷¼Á +9 ÓÚÒÔ²ÉÞÀ 2026-04-14 9/450 2026-04-19 08:41 by ÑÌÓêÁ÷ÑÄ
[¿¼ÑÐ] Ò»Ö¾Ô¸»¦9£¬326ÇóÉúÎïѧµ÷¼Á +12 Áõīī 2026-04-13 12/600 2026-04-18 23:31 by ·²¡Çé
[¿¼ÑÐ] 320Çóµ÷¼Á +5 Éî½¼akm 2026-04-17 5/250 2026-04-18 19:52 by Íõ¬Bè±
[¿¼ÑÐ] ½ÓÊÜÈκε÷¼Á +6 Ò²¾ÍÊÇÀõ×Ó 2026-04-17 7/350 2026-04-18 17:20 by º­ÖñÁõ
[¿¼ÑÐ] 22408 312Çóµ÷¼Á +24 ÃÅ·ÃþÃþ 2026-04-14 26/1300 2026-04-18 13:04 by wunaiy88
[¿¼ÑÐ] ÊÕµ½¸´ÊÔµ÷¼Áµ«ÊÇÈ¥²»ÁË +8 СÎÏÅ£* 2026-04-16 8/400 2026-04-18 11:15 by zixin2025
[¿¼ÑÐ] »¯¹¤Ñ§Ë¶294·Ö£¬Çóµ¼Ê¦ÊÕÁô +33 yzyzx 2026-04-12 37/1850 2026-04-17 23:00 by wunaiy88
[¿¼ÑÐ] Ò»Ö¾Ô¸Öпƴó²ÄÁÏÓ뻯¹¤£¬353·Ö»¹Óе÷¼ÁѧУÂð +10 ·ñ¼«Ì©À´2026 2026-04-15 12/600 2026-04-17 17:54 by mapenggao
[¿¼ÑÐ] Ò»Ö¾Ô¸»¦9£¬ÉúÎïѧ326Çóµ÷¼Á +9 Áõīī 2026-04-15 9/450 2026-04-16 17:14 by ´Þ´Þ´Þcccc
[¿¼ÑÐ] 297£¬¹¤¿Æµ÷¼Á? +10 ºÓÄÏũҵ´óѧ-ÄÜ 2026-04-14 10/500 2026-04-15 21:50 by noqvsozv
[¿¼ÑÐ] Çóµ÷¼Á +12 ºÎÆøÕý 2026-04-13 13/650 2026-04-14 14:47 by zs92450
[¿¼ÑÐ] 105500ҩѧÇóµ÷¼Á +4 x_skys 2026-04-12 4/200 2026-04-14 13:37 by rndfc
[¿¼ÑÐ] ʳƷÓëÓªÑø£¨0955£©271Çóµ÷¼Á +15 Éý¸ñ°¢´ï 2026-04-12 16/800 2026-04-14 13:18 by ¸¡Èô_°²Éú
[¿¼ÑÐ] 085408¹âµçÐÅÏ¢¹¤³Ìר˶355Ò»Ö¾Ô¸³¤´º¹â»úËùµ÷¼Á +6 Íõymaa 2026-04-13 13/650 2026-04-14 11:33 by Íõymaa
[¿¼ÑÐ] 245Çóµ÷¼Á +6 ±ùÌÇéÙ?ÆûË® 2026-04-13 10/500 2026-04-14 10:49 by jyl0317
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤329·ÖÇóµ÷¼Á +24 Ò¶zilin 2026-04-13 25/1250 2026-04-14 09:20 by ÊÔ¹ÜÆÆÁÑ
[¿¼ÑÐ] Çóµ÷¼Á +3 ÎÒ°®¸ßÊý¸ßÊý°®Î 2026-04-12 3/150 2026-04-14 01:00 by Íõ¬Bè±
[¿¼ÑÐ] 2026˶ʿµ÷¼Á_Äܶ¯_ºÓÄÏũҵ´óѧ +4 ºÓÄÏũҵ´óѧ-ÄÜ 2026-04-12 4/200 2026-04-13 22:01 by bljnqdcc
[¿¼ÑÐ] 297¹¤¿Æ£¬Çóµ÷¼Á? +13 ºÓÄÏũҵ´óѧ-ÄÜ 2026-04-12 13/650 2026-04-13 14:12 by dingyanbo1
[¿¼ÑÐ] 339Çóµ÷¼Á +4 hanwudada 2026-04-12 4/200 2026-04-13 12:03 by À¶ÔÆË¼Óê
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û