±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 732  |  »Ø¸´: 5
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£

beishn

½ð³æ (ÖøÃûдÊÖ)

[½»Á÷] ¿´²»¶®GB7489-87 ÈܽâÑõ²â¶¨ µâÁ¿·¨ £¬ÇóÖú£¡£¡

´ó¼ÒºÃ£¬ÎÒÔÚGB7489-87 ÈܽâÑõ²â¶¨ µâÁ¿·¨ÖУ¬¶ÔÓÚÓñê×¼µâËá¼Ø±ê¶¨Áò´úÁòËáÄÆµÄ¼ÆË㹫ʽû¿´¶®£¬ÓдïÈ˽â»ó²»Ê¤¸Ð¼¤£¡c=6*20*1.66/v ÌØ±ðÊÇÄÄÀïÀ´µÄ1.66£¿·Ç³£¸Ðл£¡
»Ø¸´´ËÂ¥
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

kxli

ÈÙÓþ°æÖ÷ (ÕýʽдÊÖ)

¡ï ¡ï ¡ï ¡ï ¡ï
beishn(½ð±Ò+5,VIP+0):·Ç³£¸Ðл£¬ÎÒ±»ÈƺýÍ¿ÁË
IO3-+5I-+6H+------3I2+3H2O
I2+2Na2S2O3------Na2S4O6+2NaI
1 mol IO3- -----3 mol I2-------6mol Na2S2O3
µâËá¼Ø·Ö×ÓÁ¿:214
3.5ÈÜÒºÅäÖà ³ÆÈ¡3.567 g
3.567/214=0.0166mol

[ Last edited by kxli on 2008-8-16 at 19:42 ]
2Â¥2008-08-16 19:17:25
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

guoyc1978

½ð³æ (ÕýʽдÊÖ)

¡ï ¡ï
¹ùÜ½ÈØ(½ð±Ò+2,VIP+0):»ý¼«»Ø´ðÎÊÌâ
¿´¿´Õâ¸öÊÓÆµ°É¡£
http://www.chinacitywater.org/bb ... hlight=%CA%D3%C6%B5ÈܽâÑõµÄ²â¶¨ ÊÓÆµ
3Â¥2008-08-17 12:43:05
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

tjmice

¡ï ¡ï
¹ùÜ½ÈØ(½ð±Ò+2,VIP+0):»ý¼«»Ø´ðÎÊÌâ
ÓÃÈÜÑõÒDzâһϺÃÁË£¬Õâ¸ö¶àÂ鷳ѽ
4Â¥2008-08-17 16:00:28
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Ò¼½£

Òø³æ (СÓÐÃûÆø)

»¯Ñ§·½·¨²âÁ¿µÄ׼ȷ¶ÈºÍ¾«¶È¶¼Ï൱µÍµÄ¡£Äã¿´¿´¸Ã·½·¨µÄ˵Ã÷¡£²»½¨ÒéʹÓá£
5Â¥2008-08-17 19:18:57
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

beishn

½ð³æ (ÖøÃûдÊÖ)

ÒÑÆÀ·Ö£¬µ«ÊÇͬÑù¸Ðлguoyc1978£¬tjmice£¬Ò¼½£ÈÈÐÄÓ¦Öú£¡±»Õâ¸ö¹ú±êÈÆºýÍ¿ÁË£¬ÓôÃÆÖиÐл kxliµÄ½ðÓñÁ¼ÑÔ£¡
6Â¥2008-08-18 09:26:09
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ beishn µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 085600£¬×¨Òµ¿Î»¯¹¤Ô­Àí£¬320·ÖÇóµ÷¼Á +8 ´ó²öС×Ó 2026-03-29 8/400 2026-04-04 16:21 by dongzh2009
[»ù½ðÉêÇë] ͬÄêÉ걨£¬ÊDz»ÊǾͲ»»áÅɸøÄ㺯ÆÀ±¾×ÓÁË£¿ +4 redcom 2026-03-29 4/200 2026-04-04 10:08 by kudofaye
[¿¼ÑÐ] 305Çóµ÷¼Á +3 77Qi 2026-04-03 3/150 2026-04-03 23:01 by qzxyhcsy
[¿¼ÑÐ] 343Çóµ÷¼Á +8 °®î¿°í 2026-03-29 8/400 2026-04-03 22:19 by –¹Æ?
[¿¼ÑÐ] 320µ÷¼Á +4 ũҵ¹¤³ÌÓëÐÅÏ¢¼ 2026-04-03 4/200 2026-04-03 21:40 by lbsjt
[¿¼ÑÐ] 286Çóµ÷¼Á +8 lim0922 2026-04-02 8/400 2026-04-03 20:19 by rzh123456
[¿¼ÑÐ] 310Çóµ÷¼Á +18 ÕùÈ¡¾Åµã˯ 2026-03-30 18/900 2026-04-03 18:35 by lsÁõ˧
[¿¼ÑÐ] Ò»Ö¾Ô¸Äϲý´óѧ324Çóµ÷¼Á +13 hanamiko 2026-04-01 13/650 2026-04-03 18:30 by lsÁõ˧
[¿¼ÑÐ] 330Çóµ÷¼Á +3 °×ÉñÎØºôºô 2026-04-02 3/150 2026-04-03 10:15 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 085801 ×Ü·Ö275 ±¾¿ÆÐÂÄÜÔ´ Çóµ÷¼Á +19 bradoner 2026-04-01 23/1150 2026-04-03 10:07 by linyelide
[¿¼ÑÐ] Ò»Ö¾Ô¸´ó¹¤Ñ§Ë¶£¬Çóµ÷¼Á +4 yub0811 2026-04-02 4/200 2026-04-02 21:36 by °ÙÁéͯ888
[¿¼ÑÐ] 266·Ö£¬Ò»Ö¾Ô¸µçÆø¹¤³Ì£¬±¾¿Æ²ÄÁÏ£¬Çó²ÄÁÏרҵµ÷¼Á +4 ÍÛºôºßºôºß 2026-04-02 4/200 2026-04-02 13:10 by yulian1987
[¿¼ÑÐ] ¿¼Ñе÷¼Á0702 +3 ÷×ÓζÍíϼ 2026-03-28 3/150 2026-04-02 10:10 by jp9609
[¿¼ÑÐ] 292Çóµ÷¼Á +17 ľ³æer12138 2026-04-01 17/850 2026-04-01 21:37 by Æß¶È²»ÐÅÈÎ
[¿¼ÑÐ] 350Çóµ÷¼Á +7 °¢¼Ñ¡« 2026-03-31 7/350 2026-04-01 16:12 by yanflower7133
[¿¼ÑÐ] 08¹¤¿Æ275Çóµ÷¼Á£¬¿É¿ç¿¼¡£ +5 AaAa7420 2026-03-31 5/250 2026-04-01 15:21 by 159357hjz
[¿¼ÑÐ] 262Çóµ÷¼Á +9 ÀøÖ¾Ò»¶¨·¢ÎÄÕ 2026-03-31 10/500 2026-04-01 12:22 by sunshine0013
[¿¼ÑÐ] ÍÁľ304Çóµ÷¼Á +5 ¶¥¼¶²Á²Á 2026-03-31 5/250 2026-04-01 08:15 by fdcxdystjk£¤
[¿¼ÑÐ] ²ÄÁÏר˶ 085600Çóµ÷¼Á +7 BBQ233 2026-03-30 7/350 2026-03-30 17:44 by oooqiao
[¿¼ÑÐ] һ־Ը˫һÁ÷»úе285·ÖÇóµ÷¼Á +4 ÐÒÔ˵ÄÈýľ 2026-03-29 5/250 2026-03-29 14:49 by Miko19
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û