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ll870632(½ð±Ò+50): 2011-05-18 09:15:47
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Originally posted by ll870632 at 2011-05-09 10:36:43:
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[ Last edited by ¶«²ýÝ· on 2011-5-9 at 14:00 ]

http://wenku.baidu.com/view/d9a898ce0508763231121225.html
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2Â¥2011-05-10 15:07:36
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²Î¿¼ÏÂÃæÎÄÏ×£ºPhysicochemical characterisation of sugar cane bagasse lignin
oxidized by hydrogen peroxide

The relative contents of moisture, dry soda lignin and mineral
matter were obtained according to the following method. Three
samples of rawsoda ligninwereweighed and left in an oven heated
at 110 C in air during one night. The correspondingweight losswas
ascribed to moisture.
Three other weighed samples placed in
alumina crucibles were introduced in a furnace heated at 800 Cin
air during one night, in order to burn and remove any organic and
volatile substances. The remaining matter was identified as ashes
andweighed. Theweight percent of dry soda ligninwas obtained as
the difference: 100  moisture wt%  ashes wt%.
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3Â¥2011-05-11 12:13:48
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