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纤维素DE-32的处理方法
上海华蓝化学科技有限公司 / 2009-05-05

    1.先将干粉的纤维素浸泡在蒸馏水中,一段时间大约1小时左右,去除杂质,最好抽干一下;
    2.
再用0.1mol/lHCl溶液浸泡2小时,用去离子水洗净至PH中性,并抽干;
    3.
将抽干的纤维素再浸泡在0.1mol/lNaOH溶液中2小时,用去离子水洗至中性,抽干。即可用了
    对于用过的纤维素,可以重复利用多次,但需要经过再生处理后才可以使用。
    再生处理可先用高浓度NaCl (12 mol/L)过柱冲洗柱床,以除去DEAE52阴离子交换纤维所吸附的成份。
    然后,再用0.1 mol/LHClNaOH处理,处理方法与预处理完全相同。

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