Physico-chemical assessment of [Mg-Al-PO4]-LDHs obtained by structural reconstruction in high concentration of phosphate
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- 作者：Marcela P. Bernardoa ; b ; marcelapiassib@gmail.com" class="auth_mail" title="E-mail the corresponding author ; Francys K.V. Moreirab ; Luiz A. Colnagob ; Caue Ribeiroa ; b
- 关键词：LDH ; layered double hydroxide ; DNA ; deoxyribonucleic acid ; RNA ; ribonucleic acid ; [Mg-Al]c ; commercial hydrotalcite ; PXRD ; powder X-ray diffraction ; FT-IR ; Fourier Transform Infrared Spectroscopy ; BET ; Brunauer&ndash ; Emmett&ndash ; Teller ; SEM ; Scanning Electron Microscopy ; NMR ; nuclear magnetic resonance ; JCPDS ; Joint Committee on Powder Diffraction Standards ; CD ; Charge distribution
- 刊名：Colloids and Surfaces A: Physicochemical and Engineering Aspects
- 出版年：2016
- 出版时间：20 May 2016
- 年：2016
- 卷：497
- 期：Complete
- 页码：53-62
- 全文大小：3315 K
文摘
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MgAl-LDHs can serve as host matrixes to control the release of PO43− ions.
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The memory effect was explored to increase the intercalation capacity of MgAl-LDHs.
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Adsorption and precipitation are concomitant mechanisms in the PO43− uptake.
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The PO43− release was better described by the Higuchi model with R2 = 0.92.
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MgAl-LDHs returned to a pure LDH phase composition after PO43− desorption.