±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 982  |  »Ø¸´: 0

¶Å濾ê

гæ (³õÈëÎÄ̳)

[½»Á÷] ¡¾ÇóÖú/½»Á÷¡¿0. 1 mol/L MV £¬Õâ¸öMVÊÇʲô¶«Î÷£¿

²ÉÓøĽøºóµÄ¸ñÀï˹ÊÔ¼ÁȾɫ·¨½øÐвâ
¶¨ ,²â¶¨Ã¸»î·´Ó¦Ìåϵ¹²250 ¦ÌL:
0. 1 mol/LÁ×ËáÑλº³åÒº(pH 6. 5) 125¦ÌL,
0. 1 mol/L NaCl    15¦ÌL,
0. 1 mol/L NO2     12.5 ¦ÌL,
0. 1 mol/L MV       7.5¦ÌL,
0. 1 mol/L Na2S2O4   40 ¦ÌL,
øҺ              50 ¦ÌL¡£
30¡æË®Ô¡Öз´Ó¦10 min,¾çÁÒÕñµ´ÖÕÖ¹·´Ó¦¡£¼Ó
10¦ÌL¸ñÀû˹ÊÔ¼ÁÏÔÉ«,ÔÚ520 nm±ÈÉ«²â¶¨ÑÇÏõËá
Ñεı仯¡£Ã¸»î¶¨ÒåΪ:ÿmin»¹Ô­1¦ÌmoLÑÇÏõ
ËáÑÎËùÐèÒªµÄøÁ¿¶¨ÒåΪһ¸öø»îÁ¦µ¥Î»£¨U£©

ÇëÎÊÕâÀïµÄMVÊÇʲô¶«Î÷£¿
ÁíÍ⣬NO2²»ÊÇÆøÌåÂð£¿ÔõôÄÜÅä³ÉÒºÌåµÄÄØ£¿
»Ø¸´´ËÂ¥
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ ¶Åæ¿¾ê µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 308Çóµ÷¼Á +13 ÌÈÈôÆð·çÁËÄØ 2026-04-05 13/650 2026-04-06 14:20 by ½¯ð©Óí
[¿¼ÑÐ] Ò»Ö¾Ô¸ºÓ±±¹¤Òµ´óѧ²ÄÁϹ¤³Ì£¬³õÊÔ344Çóר˶µ÷¼Á +6 15933906766 2026-04-05 6/300 2026-04-06 13:21 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] Ò»Ö¾Ô¸±±½»´ó²ÄÁϹ¤³Ì×Ü·Ö358Çóµ÷¼Á +8 cs0106 2026-04-05 9/450 2026-04-06 12:50 by ÉÐË®¸óÖ÷
[¿¼ÑÐ] »¯Ñ§µ÷¼ÁÇóÖú +8 LULONG1 2026-04-03 8/400 2026-04-06 10:26 by dongzh2009
[¿¼ÑÐ] Çóµ÷¼Á +5 chenxrlkx 2026-04-05 7/350 2026-04-06 07:54 by houyaoxu
[¿¼ÑÐ] ²ÄÁÏר˶322·Ö +10 ¹þ¹þ¹þºðºðºð¹þ 2026-04-04 10/500 2026-04-05 21:22 by ѧԱ8dgXkO
[¿¼ÑÐ] 298·Ö 070300Çóµ÷¼Á +15 zwen03 2026-04-02 15/750 2026-04-05 12:52 by Hdyxbekcb
[¿¼ÑÐ] 311·Ö 22408 Çóµ÷¼Á +3 bing_bot 2026-04-03 3/150 2026-04-05 00:43 by chongya
[¿¼ÑÐ] 286Çóµ÷¼Á +3 ²Ýľ²»ÑÔ 2026-04-04 3/150 2026-04-04 22:40 by lbsjt
[¿¼ÑÐ] 306Çóµ÷¼Á +3 hybÉÏÃû¹¤ 2026-04-02 3/150 2026-04-04 18:12 by ÈÈÇéɳĮ
[¿¼ÑÐ] 293·ÖÇóµ÷¼Á£¬ÍâÓïΪ¶íÓï +6 ¼ÓÒ»Ò»¾Å 2026-03-31 6/300 2026-04-04 14:57 by ´ÏÃ÷µÄ´óËÉÊó
[¿¼ÑÐ] ±¾¿Æ211£¬×¨Òµ085404£¬293·ÖÇëÇóµ÷¼Á +5 Á«²Ë¾ÍÊÇź°É 2026-04-04 5/250 2026-04-04 14:08 by ÕâÊÇÒ»¸öÎÞÁĵÄê
[¿¼ÑÐ] 338Çóµ÷¼Á +7 êɹ¦? 2026-04-03 7/350 2026-04-03 16:46 by wxiongid
[¿¼ÑÐ] 266·Ö£¬Ò»Ö¾Ô¸µçÆø¹¤³Ì£¬±¾¿Æ²ÄÁÏ£¬Çó²ÄÁÏרҵµ÷¼Á +9 ÍÛºôºßºôºß 2026-04-02 9/450 2026-04-03 12:05 by 1753564080
[¿¼ÑÐ] Ò»Ö¾Ô¸ÏÃÃÅ´óѧ²ÄÁϹ¤³Ìר˶354ÕÒµ÷¼Á£¡£¡£¡ +8 ±´ß±µ±µ 2026-03-30 8/400 2026-04-03 09:41 by hypershenger
[¿¼ÑÐ] 292Çóµ÷¼Á +17 ľ³æer12138 2026-04-01 17/850 2026-04-01 21:37 by Æß¶È²»ÐÅÈÎ
[¿¼ÑÐ] Çóµ÷¼Á0703 +5 ÖܼÎÒ¢ 2026-03-31 8/400 2026-04-01 20:32 by ltltkkk
[¿¼ÑÐ] ²ÄÁÏרҵµ÷¼Á +5 À²À²À²¿Þ 2026-03-31 6/300 2026-04-01 16:48 by JourneyLucky
[¿¼ÑÐ] 311Çóµ÷¼Á +10 ÀîÜÆÐÂ1 2026-03-31 10/500 2026-04-01 14:38 by chenqifeng666
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷µç085401ÊýÒ»Ó¢Ò»299Çóµ÷¼Á Áù¼¶521 +4 °®³Ô´óѼÀæ 2026-03-31 4/200 2026-03-31 11:51 by ²«»÷518
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û