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Study on the characteristics of bamboo charcoal modified with nitric acid
Pages: 15-21
Year: Issue:  2
Journal: Journal of Nanjing Forestry University(Natural Science Edition)

Abstract: 采用质量分数分别为17%、34%和68%的硝酸溶液对竹炭进行8h的表面改性处理,测定了改性前后竹炭的碘值、灰分和水分含量.结果表明:3种改性条件下竹炭的碘值和灰分含量均比改性之前有小幅度下降,而水分含量则比改性之前有明显上升,其中,以68%硝酸改性的竹炭其各项指标变化幅度最大.使用Boehm滴定法和傅里叶变换红外光谱FTIR对硝酸改性前后的竹炭进行了结构表征,结果发现硝酸改性后的竹炭表面含氧官能团...
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