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A 0.1 g amount of chitosan mixed with a 0.0114 g Cd(Ac)2 was dissolved in 50 mL 1% (v/v) HAc aqueous solution and stirring for 24 h to facilitate a chelating balance. The solution has been purged with pure nitrogen gas for at least 30 min under magnetic stirring. Then, 0.0120 g Na2S¡¤9H2O dissolved in 10 mL water was dropped slowly into the vortex of the mixed solution. Finally, the colloidal solution was sealed and incubated for 5 h at 35 ¡ãC. ÉÏÃæÊÇһƪÎÄÏ×Öеϰ£¬Çë½Ì´ó¼Ò£¬Õâ¸öincubateÓ¦¸ÃÔõôÀí½â£¬¾ÍÊÇÖ±½Ó·ÅÔÚ 35 ¡ãCÏÂ5hÂ𣿠[ Last edited by wdwsnnu on 2009-10-26 at 23:19 ] |
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zhangsun
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Æï×ÅÎÏÅ£×·»ð¼ý(½ð±Ò+1,VIP+0):¿ÉÒÔÕâôÀí½â 10-26 18:17
xuyibang(½ð±Ò+1,VIP+0):лл 10-26 19:13
Æï×ÅÎÏÅ£×·»ð¼ý(½ð±Ò+1,VIP+0):¿ÉÒÔÕâôÀí½â 10-26 18:17
xuyibang(½ð±Ò+1,VIP+0):лл 10-26 19:13
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2Â¥2009-10-26 18:16:32
lylyh
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xuyibang(½ð±Ò+1,VIP+0):лл 10-26 19:14
wdwsnnu(½ð±Ò+1,VIP+0):лл²ÎÓë 10-26 23:19
xuyibang(½ð±Ò+1,VIP+0):лл 10-26 19:14
wdwsnnu(½ð±Ò+1,VIP+0):лл²ÎÓë 10-26 23:19
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3Â¥2009-10-26 18:18:34
cncheung
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xuyibang(½ð±Ò+1,VIP+0):лл 10-26 23:09
wdwsnnu(½ð±Ò+1,VIP+0):лл²ÎÓë 10-26 23:19
xuyibang(½ð±Ò+1,VIP+0):лл 10-26 23:09
wdwsnnu(½ð±Ò+1,VIP+0):лл²ÎÓë 10-26 23:19
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4Â¥2009-10-26 20:42:34














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