Znn3bq.jpeg
²é¿´: 2032  |  »Ø¸´: 4

DoneSelf

гæ (³õÈëÎÄ̳)


[½»Á÷] EDTA·µµÎ¶¨·¨²âÃ̺¬Á¿

ʵÑé²½Ö裺    1¡¢³ÆÈ¡0.5000gÊÔÑùÓÚÉÕ±­ÖУ¬¼ÓÈë40mlÁòËᣬ1mLË«ÑõË®ÈÜÒº£¬¼ÓÈÈÖó·ÐÖÁÍêÈ«Èܽ⣬ÀäÈ´²¢¶¨ÈÜÓÚ250mLÈÝÁ¿Æ¿ÖУ¬»ìÔÈ£»
2¡¢ÓÃÒÆÒº¹ÜÒÆÈ¡ÉÏÊöÈÜÒº25.00mLÓÚ×¶ÐÎÆ¿ÖУ¬¼ÓÈë10mLÑÎËáôǰ·ÈÜÒº£¬¼ÓÈÈÖÁ40¡æ-50¡æ£¬¼ÓÈë40mLNaF±¥ºÍÈÜÒº¡¢ÀäÈ´¡£Óð±Ë®ÈÜÒºµ÷½ÚpH¡Ö9.5£¨¼ÓÈëÁ¿Ô¼6¹Ü£©£¬Á¢¼´ÓÃÒÆÒº¹ÜÒÆÈ¡20.00mL EDTA±ê×¼ÈÜÒº£¬10mL»º³åÈÜÒº£¬2-3d¸õºÚTָʾ¼Á£¬ÒÔп±ê×¼ÈÜÒºµÎ¶¨ÖÁ×ÏɫΪµÎ¶¨Öյ㡣
4¡¢¼ÆËã
           Mn%=(¡¼£¨c¡½_2 V_2-c_1 V_1£©¡Á0.005494)/m¡Á100%
Çë½Ì¸÷λ´óÏÀÑÎËáôǰ·ÔÚÕâÀïµÄ×÷Óã¡£¡£¡¼±Óá­¡­Ð»Ð»!!!
»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

dudi40562017

½ð³æ (СÓÐÃûÆø)


¡ï ¡ï ¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
¼ûÖ¤2011: ½ð±Ò+1, ¹ÄÀø½»Á÷£¬»¶Ó­³£À´£¡ 2012-07-14 09:45:04
DoneSelf: ½ð±Ò+1, лл¡­¡­ 2012-07-14 18:27:49
̼Ëáôǰ·Êǽ«¸ß¼Û̬µÄÃÌ»¹Ô­ÖÁ¶þ¼Û¡£

» ±¾ÌûÒÑ»ñµÃµÄºì»¨£¨×îÐÂ10¶ä£©

2Â¥2012-07-13 13:22:23
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
ͬÒâ¶þÂ¥µÄ¹Ûµã¡£

[ ·¢×ÔÊÖ»ú°æ http://muchong.com/3g ]
3Â¥2012-07-13 23:34:10
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

DoneSelf

гæ (³õÈëÎÄ̳)


ËÍÏÊ»¨Ò»¶ä
ÒýÓûØÌû:
2Â¥: Originally posted by dudi40562017 at 2012-07-13 13:22:23
̼Ëáôǰ·Êǽ«¸ß¼Û̬µÄÃÌ»¹Ô­ÖÁ¶þ¼Û¡£

µ«ÊÇËáÐÔ»·¾³ÖÐÈý¼ÛÃÌÊÇÓкÜÇ¿»¹Ô­ÐԵ쬶øÇÒÈý¼ÛÃÌÊÇ×ϺìÉ«µÄ£¬ËļÛÃ̸ü²»¿ÉÄÜ´æÔÚ£¬»á·¢ÉúË®½âÉú³É¶þÑõ»¯ÃÌ£¬¸ü¸ß¼Û̬µÄ¸ü²»¿ÉÄÜ´æÔÚ¡­¡­
4Â¥2012-07-14 18:27:22
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dudi40562017

½ð³æ (СÓÐÃûÆø)


¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
ÒýÓûØÌû:
4Â¥: Originally posted by DoneSelf at 2012-07-14 18:27:22
µ«ÊÇËáÐÔ»·¾³ÖÐÈý¼ÛÃÌÊÇÓкÜÇ¿»¹Ô­ÐԵ쬶øÇÒÈý¼ÛÃÌÊÇ×ϺìÉ«µÄ£¬ËļÛÃ̸ü²»¿ÉÄÜ´æÔÚ£¬»á·¢ÉúË®½âÉú³É¶þÑõ»¯ÃÌ£¬¸ü¸ß¼Û̬µÄ¸ü²»¿ÉÄÜ´æÔÚ¡­¡­...

Â¥Ö÷£¬ÄãÕâ¸öÊÔÑùÊÇʲôÎïÖÊ£¿
5Â¥2012-07-16 08:48:36
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ DoneSelf µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 299Çóµ÷¼Á +7 ZVVZ13 2026-04-08 7/350 2026-04-11 11:54 by zhq0425
[¿¼ÑÐ] 080100Á¦Ñ§316Çóµ÷¼Á +8 L_Hairui 2026-04-07 8/400 2026-04-11 10:00 by zhq0425
[¿¼ÑÐ] ¸´ÊÔµ÷¼Á +9 »ý¼«ÏòÉÏ£» 2026-04-10 11/550 2026-04-11 09:25 by Öí»á·É
[¿¼ÑÐ] ÉúÎïѧ308·ÖÇóµ÷¼Á£¨Ò»Ö¾Ô¸»ª¶«Ê¦´ó£©×ö¹ý·Ö×ÓʵÑé +8 ÏàÐűػá¹ââÍòÕ 2026-04-07 9/450 2026-04-10 21:03 by zhouxiaoyu
[¿¼ÑÐ] ²ÄÁÏרҵ344Çóµ÷¼Á +16 hualkop 2026-04-10 21/1050 2026-04-10 17:28 by laoshidan
[¿¼ÑÐ] 362Çóµ÷¼Á +10 ÎÒÒª¿¼´ó 2026-04-06 14/700 2026-04-10 17:00 by luoyongfeng
[¿¼ÑÐ] Çóµ÷¼Á ²ÄÁÏÓ빤³Ì 324·Ö ר˶ +19 ôæôæÒ»ÊéÉú 2026-04-10 21/1050 2026-04-10 11:41 by wp06
[¿¼ÑÐ] 296Çóµ÷¼Á +6 Íô£¡£¿£¡ 2026-04-08 6/300 2026-04-10 11:02 by mattzhming
[¿¼ÑÐ] Ò»Ö¾Ô¸211 0703»¯Ñ§ 346·ÖÇóµ÷¼Á +22 ÍÁ¶¹er? 2026-04-09 23/1150 2026-04-10 10:58 by ¸ßά´º
[¿¼ÑÐ] Çóµ÷¼Á²ÄÁÏ¿ÆÑ§Ó빤³ÌÒ»Ö¾Ô¸985³õÊÔ365·Ö +5 ²Ä»¯Àî¿É 2026-04-08 5/250 2026-04-09 17:00 by Lilly_Li
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤×¨Ë¶329 Çóµ÷¼Á +24 ¶îcc 2026-04-06 25/1250 2026-04-09 16:01 by wp06
[¿¼ÑÐ] 368»¯Ñ§Çóµ÷¼Á +13 wwwwabcde 2026-04-07 14/700 2026-04-09 14:47 by heaven_jay
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÄÏʦ·¶´óѧ0702ÎïÀíѧ305µ÷¼Á +4 Äî³£°² 2026-04-07 6/300 2026-04-08 22:53 by bljnqdcc
[¿¼²©] ²ÄÁÏ·½Ïò¿¼²©£¬ÇóÍÆ¼ö +3 ÑÔÓïaaa 2026-04-05 4/200 2026-04-08 22:22 by nxgogo
[¿¼ÑÐ] ÉúÎïѧ328·ÖÇóµ÷¼Á +9 ÉÁµçkkl 2026-04-08 10/500 2026-04-08 21:42 by liuhuiying09
[¿¼ÑÐ] »¯¹¤Ñ§Ë¶ 285Çóµ÷¼Á +26 Wisjxn 2026-04-07 26/1300 2026-04-08 14:42 by screening
[¿¼ÑÐ] ¼ÆËã»ú11408 287 Çóµ÷¼Á +3 LiLe5 2026-04-07 3/150 2026-04-07 23:15 by shanqishi
[¿¼ÑÐ] 305Çóµ÷¼Á +4 77Qi 2026-04-06 4/200 2026-04-07 20:06 by shanqishi
[¿¼ÑÐ] £¨µ÷¼Á£©Ò»Ö¾Ô¸±¨¿¼¹þ¶û±õ¹¤Òµ´óѧ0857×ÊÔ´Óë»·¾³×¨Òµ378·Ö¿¼Éú +7 ºÝºÝ¼ÓÓÍ 2026-04-05 8/400 2026-04-06 16:52 by momoð©
[¿¼ÑÐ] 377Çóµ÷¼Á +6 by.ovo 2026-04-05 6/300 2026-04-05 22:18 by dongzh2009
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û