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Synthesis and Characterization of Calcium/Aluminium Layered Double<br />

Hydroxide as a Potential Adsorbent for Removal Methyl Orange Dye<br />

Nurul Fatini Binti Bakar<br />

Supervisor: Dr Mazidah Binti Mamat<br />

Bachelor of Science (Chemical Sciences)<br />

School Of Fundamental Science<br />

Layered double hydroxide of calcium/aluminium-nitrate (CAN) was successfully<br />

synthesized at Ca/Al molar ratio of 3 and pH 12 via co-precipitation method. The<br />

material was characterized by using Powder X-Ray Diffraction (PXRD), Fourier<br />

Transform Infrared (FTIR), Thermogravimetric Analysis (TGA), Carbon, Hydrogen,<br />

Nitrogen and Sulfur (CHNS) Elemental Analysis and Scanning Electron Microscopy<br />

(SEM). The X-ray diffraction pattern showed that the interlayer spacing distance for<br />

CAN is 0.87 nm. The IR spectrum showed the structural and chemical bonding belongs<br />

to CAN. The Scanning Electron Microscope (SEM) showed the image from variety<br />

magnifications. The adsorption study was carried out at different CAN dosages and it<br />

was found that as the mass of CAN increase, removal percentage also increase.<br />

449 | U M T U N D E R G R A D U A T E R E S E A R C H D A Y 2018

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