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wind1

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[½»Á÷] ÇóÖú´óÏÀ:ÈçºÎÏû³ýMn(2+)ºÍMn(4+)ÔÚUV254µÄ¸ÉÈÅ.

ÈçÌâ, ×Ô¸ö¸ã²»¶¨ÁË,Íû¸ßÈËÏàÖú.ллÀ²!
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wind1

Òø³æ (³õÈëÎÄ̳)

ÇóºÃÐÄÈ˰ï°ïæÀ²!

ÇóºÃÐÄÈ˰ï°ïæÀ²!!!!
2Â¥2008-05-20 16:36:25
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dryfish

½ð³æ (ÖøÃûдÊÖ)

Mn(2+)ºÍMn(4+)ÔÚUV254µÄÓ¦¸ÃûÓÐÎüÊÕ£¬Ôõô»á¸ÉÈÅ£¿
3Â¥2008-05-20 18:19:29
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yuxiaolin

½ð³æ (СÓÐÃûÆø)

¡ï ¡ï
dnp(½ð±Ò+2,VIP+0):лл
Mn2+ is d5, d-d transition is forbidden in Octahedron geometry. The absorption extinction coefficient is very small, So it will not cause perturbation  for your detection. However, if Mn2+ is coordinated as other geometry, it is possible to cause problem.

Maybe you can add some agent to precipitate Mn, or add some other ligand to make the absorption of Mn compound red shift.
4Â¥2008-05-23 09:07:40
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swallowll

½ð³æ (ÕýʽдÊÖ)

ллyuxiaolin µÄ»Ø´ð,ÎÒÒ²Óöµ½Í¬ÑùµÄÎÊÌâ.

ллyuxiaolin  µÄ»Ø´ð,ÎÒÒ²Óöµ½Í¬ÑùµÄÎÊÌâ.
5Â¥2008-06-10 09:27:14
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swallowll

½ð³æ (ÕýʽдÊÖ)

ÎÒÀïÃæÓÐÓлúÎïµÄ,ÎÒÊÇÒª²âÓлúÎïµÄUV254,ËùÒÔÒªÏû³ýMnµÄ¸ÉÈÅ,ÇëÎÊ¿ÉÒÔ¼ÓЩʲôʹMnÉú³É³Áµí»òÕßÂçºÏÎï°¡,ÎÒÀïÃæÓÐÓлúÎï,ͬʱÓÖ²»¿ÉÒÔ¶ÔÓлúÎïµÄUV254²úÉúÓ°Ïì.Í·Í´Í·Í´!
6Â¥2008-06-10 10:12:59
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