铝镁混合金属氢氧化物溶胶阴离子交换性能研究 |
STUDIES ON ANION EXCHANGE PROPERTIES OF Al Mg MIXED METAL HYDROXIDE COMPOUNDS |
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摘要: 本文研究了电解质对铝镁混合金属氢氧化物(Al-MgMMH)溶胶粒子中Cl-和OH-的阴离子交换性能。在所研究的电解质NaNO3,HCOONa,CH3COONa,Na2CO3,Na2SO4和Na3PO4中,发现高价阴离子的交换能力大于低价阴离子的交换能力,无机阴离子的交换能力大于有机阴离子的交换能力。所研究Al-MgMMH溶胶粒子的阴离子交换容量为2.82mmol/g,比粘土粒子的阳离子交换容量大得多。 |
关键词: 氢氧化镁铝 溶胶 阴离子交换容量 表面固有电荷密度 |
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Abstract: The anion exchange properties of Cl- and OH- in Al Mg mixed metal hydroxide(Al Mg MMH) have been studied in this paper. Of the studied electrolytes such as NaNO3,HCOONa,CH3COONa,Na2CO3,Na2SO4 and Na3PO4, it was found that the exchange capabilities of high valence anions are larger than those of low valence anions and those of inorganic anions are larger than those of organic anions. The anion exchange capacity of studied Al Mg MMH is about 2.82 mmol/g , which is much larger than the cation exchange capacity of clays. |
Keywords: aluminum magnesium hydroxide sol anion exchange capacity intrinsic surface charge density |
投稿时间:1995-10-16 |
摘要点击次数: 1492 |
全文下载次数: 1802 |
夏春友,侯万国,孙得军,王果庭.铝镁混合金属氢氧化物溶胶阴离子交换性能研究[J].无机化学学报,1996,12(4):368-371. |
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