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High Yield Synthesis of Hydroxyapatite (HAP) and Palladium Doped HAP via a Wet Chemical Synthetic Route

Faculty of Science and Engineering, Manchester Metropolitan University, Chester Street, Manchester M1 5GD, UK
Departamento de Química Analítica e IACYS, Facultad de Ciencias, Universidad de Extremadura, Avda. de Elvas s/n, Badajoz 06006, Spain
Author to whom correspondence should be addressed.
Academic Editor: Keith Hohn
Catalysts 2016, 6(8), 119;
Received: 2 July 2016 / Revised: 21 July 2016 / Accepted: 28 July 2016 / Published: 4 August 2016
PDF [3613 KB, uploaded 4 August 2016]


A novel procedure for the synthesis of both hydroxyapatite (HAP) and palladium doped HAP via a wet chemical precipitation method is described herein. X-ray Diffraction (XRD), Raman Spectroscopy, Scanning Electron Microscopy (SEM) with Energy Dispersive X-ray Spectroscopy (EDS) and Fourier Transform Infrared (FT-IR) Spectroscopy are utilised to characterise the synthesised material’s morphology, structure and crystallinity. The developed synthetic protocol produces high purity HAP with an average yield of 83.7 (±0.10)% and an average particle size of 58.2 (±0.98) nm, such synthesis has been achieved at room temperature and within a time period of less than 24 h. Additionally, in order to enhance the overall conductivity of the material, a range of Pd (2, 4 and 6 wt %) metal doped HAP has been synthesised, characterised and, for the first time, applied towards the competitive electrocatalytic detection of hydrazine, exhibiting a linear range of 50–400 µM with a limit of detection (3σ) of 30 µM. View Full-Text
Keywords: hydroxyapatite; palladium; synthesis; hydrazine; electrochemical application hydroxyapatite; palladium; synthesis; hydrazine; electrochemical application

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Kamieniak, J.; Bernalte, E.; Foster, C.W.; Doyle, A.M.; Kelly, P.J.; Banks, C.E. High Yield Synthesis of Hydroxyapatite (HAP) and Palladium Doped HAP via a Wet Chemical Synthetic Route. Catalysts 2016, 6, 119.

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