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Characterisation of calcium carbonate and its polymorphs from cockle shells (Anadara granosa)

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Main Authors: Kh. Nurul Islam, Md Zuki, Abu Bakar, Mustapha, M. Noordin, Mohd Zobir, Hussein, Norshazlirah Shazlyn, Abd Rahman, Md. Eaqub, Ali
Format: Article
Language:English
Published: Elsevier B.V. 2011
Subjects:
Calcium carbonate
Cockle shells
Polymorph
Online Access:http://dspace.unimap.edu.my/xmlui/handle/123456789/15129
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spelling my.unimap-151292011-10-28T08:28:50Z Characterisation of calcium carbonate and its polymorphs from cockle shells (Anadara granosa) Kh. Nurul Islam Md Zuki, Abu Bakar Mustapha, M. Noordin Mohd Zobir, Hussein Norshazlirah Shazlyn, Abd Rahman Md. Eaqub, Ali Calcium carbonate Cockle shells Polymorph Link to publisher's homepage at http://www.elsevier.com/wps/find/homepage.cws_home Calcium carbonate and its polymorphs from cockle shells (Anadara granosa) and commercial calcium carbonate were characterised using a variable pressure scanning electron microscopes (VPSEM), a transmission electron microscope (TEM), an energy dispersive X- ray analyser (EDX), X-ray diffraction (XRD) and Fourier transmission infrared spectroscopy (FT-IR). Cubic-like calcite crystals of commercial calcium carbonate and rod-like aragonite crystals of cockle shell powders were observed by both SEM and TEM. The EDX results showed that the cockle shells contained more calcium and carbon than the commercial calcium carbonate, whereas the commercial calcium carbonate contained more oxygen than the cockle shells. FT-IR analyses revealed the presence of carbonate groups in both the cockle shells and the commercial calcium carbonate. FT-IR analyses also showed the presence of aragonite in the cockle shells and calcite in the commercial calcium carbonate. XRD analyses showed that the cockle shells powder contained aragonite, whereas the commercial calcium carbonate contained calcite. The cockle shells powder was formed with good quality calcium carbonate and contained calcium carbonate in the aragonite phase. 2011-10-28T08:28:50Z 2011-10-28T08:28:50Z 2011-11-10 Article Powder Technology, vol. 213 (1), 2011, pages 188-191 0032-5910 http://www.sciencedirect.com/science?_ob=MiamiImageURL&_cid=271376&_user=1659113&_pii=S0032591011003664&_check=y&_origin=&_coverDate=10-Nov-2011&view=c&wchp=dGLbVlB-zSkzV&md5=09f30756145f6849163eec1b8c326777/1-s2.0-S0032591011003664-main.pdf http://hdl.handle.net/123456789/15129 en Elsevier B.V.
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Calcium carbonate
Cockle shells
Polymorph
spellingShingle Calcium carbonate
Cockle shells
Polymorph
Kh. Nurul Islam
Md Zuki, Abu Bakar
Mustapha, M. Noordin
Mohd Zobir, Hussein
Norshazlirah Shazlyn, Abd Rahman
Md. Eaqub, Ali
Characterisation of calcium carbonate and its polymorphs from cockle shells (Anadara granosa)
description Link to publisher's homepage at http://www.elsevier.com/wps/find/homepage.cws_home
format Article
author Kh. Nurul Islam
Md Zuki, Abu Bakar
Mustapha, M. Noordin
Mohd Zobir, Hussein
Norshazlirah Shazlyn, Abd Rahman
Md. Eaqub, Ali
author_facet Kh. Nurul Islam
Md Zuki, Abu Bakar
Mustapha, M. Noordin
Mohd Zobir, Hussein
Norshazlirah Shazlyn, Abd Rahman
Md. Eaqub, Ali
author_sort Kh. Nurul Islam
title Characterisation of calcium carbonate and its polymorphs from cockle shells (Anadara granosa)
title_short Characterisation of calcium carbonate and its polymorphs from cockle shells (Anadara granosa)
title_full Characterisation of calcium carbonate and its polymorphs from cockle shells (Anadara granosa)
title_fullStr Characterisation of calcium carbonate and its polymorphs from cockle shells (Anadara granosa)
title_full_unstemmed Characterisation of calcium carbonate and its polymorphs from cockle shells (Anadara granosa)
title_sort characterisation of calcium carbonate and its polymorphs from cockle shells (anadara granosa)
publisher Elsevier B.V.
publishDate 2011
url http://dspace.unimap.edu.my/xmlui/handle/123456789/15129
_version_ 1643791441851318272
score 13.226497

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