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Journals >
Journal of Inorganic Materials >
Volume 35 >
Issue 5 >
Page 601 > Article
Journal of Inorganic Materials
Vol. 35, Issue 5, 601 (2020)
Preparing Biomedical CaCO
3
/HA Composite with Oyster Shell
Ziyang LIU, Zhen GENG, and Zhaoyang LI
Author Affiliations
School of Materials Science and Engineering, Tianjin University, Tianjin 300350, China
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DOI:
10.15541/jim20190144
Cite this Article
Ziyang LIU, Zhen GENG, Zhaoyang LI.
Preparing Biomedical CaCO
3
/HA Composite with Oyster Shell
[J]. Journal of Inorganic Materials, 2020, 35(5): 601
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1. (a) XRD pattern, (b) EDS analysis, (c) SEM micrograph and (d) TEM image and SAED pattern of the powders prepared by heating and washing the oyster shell
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2. XRD patterns of of the synthesized samples
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3. SEM micrographs of the hydrothermally synthesized samples
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4. TEM and HRTEM images of the hydrothermally synthesized samples
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5. Specific surface area of the prepared samples
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6. TG curves of the prepared samples
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7. SEM micrographs of the samples after degradation
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Element
Calcined product /(mg·kg
-1
)
Limit/(mg·kg
-1
)
Pb
<10
30
Cd
<1.5
5
Hg
<1
5
As
<1
3
Table 1.
Heavy metal content of the calcined products of oyster shells
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20%HA
40%HA
60%HA
Concentration
of Ca/(mg·L
-1
)
(19.91±0.72)
(20.00±1.08)
(20.02±0.52)
Concentration
of P/(mg·L
-1
)
(1.62±0.17)
(3.19±0.22)
(4.02±0.19)
Degree of HA transition/%
(17.5±0.57)
(34.3±1.02)
(43.2±0.33)
Table 2.
Ca and P concentrations and HA transition degree of samples
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20%HA
40%HA
60%HA
CaCO
3
Degradation time/d
Concentration of Ca
2+
/(mg·L
-1
)
Degradation rate/%
Concentration of Ca
2+
/(mg·L
-1
)
Degradation rate/%
Concentration of Ca
2+
/(mg·L
-1
)
Degradation rate/%
Concentration of Ca
2+
/(mg·L
-1
)
Degradation rate/%
7
(16.13±0.40)
8.1
(13.39±0.23)
6.7
(11.61±0.92)
5.8
(18.93±0.17)
9.8
14
(30.26±1.12)
15.2
(24.02±0.83)
12.0
(21.62±1.36)
10.8
(42.70±0.19)
22.1
21
(43.20±1.47)
21.7
(33.40±1.38)
16.2
(28.11±1.07)
14.3
(56.41±0.32)
29.2
Table 3.
Ca
2+
concentration and degradation rate of samples
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Abstract
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References (21)
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Ziyang LIU, Zhen GENG, Zhaoyang LI.
Preparing Biomedical CaCO
3
/HA Composite with Oyster Shell
[J]. Journal of Inorganic Materials, 2020, 35(5): 601
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Paper Information
Category: RESEARCH PAPER
Received: Apr. 4, 2019
Accepted: --
Published Online: May. 20, 2020
The Author Email:
DOI:
10.15541/jim20190144
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