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zhangrj920

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2Â¥2014-06-10 10:17:32
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eroitoei

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zhangrj920: ½ð±Ò+1, ¡ïÓаïÖú 2014-06-11 09:58:32
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zhangrj920

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ÒýÓûØÌû:
4Â¥: Originally posted by jjf139 at 2014-06-10 14:23:51
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zhangrj920: ½ð±Ò+1, ¡ïÓаïÖú 2014-06-11 09:59:15
http://en.wikipedia.org/wiki/Sodium_thiosulfate
Na2S2O3 + 2 HCl ¡ú 2 NaCl + S + SO2 + H2O (strong acid)
Na2S2O3  -- H3O+--> Na2SO3 + S  (weak acid)

S (fw=32) contamination, use pH7 buffer to avoid this side reaction
6Â¥2014-06-11 06:59:14
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zhangrj920(ÐǺ£»Û¶ù´ú·¢): ½ð±Ò+1, ¶àл»ØÌû½»Á÷ 2014-06-13 08:36:15
zhangrj920: ½ð±Ò+1, ¡ïÓаïÖú 2014-06-13 08:46:05
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