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A Study in the Adsorption Behaviors of Cr (VI) on Crosslinked Amphoteric Starches Synthesized through Using the Microwave Radiation Method

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關(guān)鍵詞：

adsorption capacity amphoteric starch Cr (VI) the
degree of substitution

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213K

所屬學(xué)科：

分子表征

來源：

2009高分子材料先進(jìn)制造業(yè)（青島）國(guó)際論壇（8.19-8.21，青島）

簡(jiǎn)介：

Crosslinkedamphotericstarches(CAS)withquaternaryammoniumcationicandcarboxymethylanionicgroupswerepreparedbyamicrowaveradiationmethod.TheiradsorptionbehaviorforCr(VI)wasinvestigated.Theresultsshowedthathighthedegreeofsubstitution(DS)ofmodifiedstarchwasfavorabletothesynthesisbythemicrowaveheatingandcrosslinkedamphotericstarchespreparedwithhighertheadsorptioncapacitythanbythedryingreaction.Theadsorptioncapacityincreaseswiththeincreasingcationicgroupsanddecreasedwithincreasingdegreeofsubstitutionofanionicgroups.TheadsorptioncapacitywasfoundtofollowtheLangmuirisotherm.

作者：

ZOU Lixia, LIU Qingcheng, XU Qiong, RONG Jinghua

上傳時(shí)間：

2009-11-06 11:28:03

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