Studying metal impurities (Mn2+, Cu2+, Fe3+) in calcium phosphates by electron paramagnetic resonance

Thermal Methods for Enhanced Oil Recovery: Laboratory Testing, Simulation and Oilfields Applications 2017

Iskhakova, K.^1 ; Murzakhanov, F.^1 ; Mamin, G.^1 ; Putlyaev, V.^2 ; Klimashina, E.^2 ; Fadeeva, I.^3 ; Fomin, A.^3 ; Barinov, S.^3 ; Maltsev, A.^3 ; Bakhteev, S.^4 ; Yusupov, R.^4 ; Gafurov, M.^1 ; Orlinskii, S.^1

Kazan Federal University, 18 Kremlevskaya Str., Kazan, Russia^1

Lomonosov Moscow State University, GSP-1, Leninskie Gory, Moscow, Russia^2

Baikov Institute of Metallurgy and Materials Science, 49 Leninskii Pr., Moscow, Russia^3

Kazan National Research Technological University, 41 K. Marxa Str., Kazan, Russia^4

关键词: Analytical method;    Biochemical methods;    Biology and medicine;    Chemical content;    Electron paramagnetic resonances (EPR);    Materials characterization;    Resonance technique;    Tri-calcium phosphates;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/155/1/012002/pdf
DOI  :  10.1088/1755-1315/155/1/012002

来源: IOP

【 摘 要 】

Calcium phosphates (CaP) are exploited in many fields of science, including geology, chemistry, biology and medicine due to their abundance in the nature and presence in the living organism. Various analytical and biochemical methods are used for controlling their chemical content, structure, morphology, etc. Unfortunately, magnetic resonance techniques are usually not even considered as necessary tools for CaP inspection. Some aspects of application of the commercially realized electron paramagnetic resonance (EPR) approaches for characterization of CaP powders and ceramics (including the nanosized materails) such as hydroxyapatite and tricalcium phosphates of biogenic and synthetic origins containing intrinsic impurities or intentional dopants are demonstrated. The key features and advantages of the EPR techniques for CaP based materials characterization that could compliment the data obtained with the recognized analytical methods are pointed out.