Preparation of Nanoscale Magnesium Fluoride Powders by Ultrasonic-Assisted Direct Precipitation Method

Hai Yang Wang; Ping Li; Wan E Wu

doi:10.4028/www.scientific.net/AMR.785-786.523

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 785-786Preparation of Nanoscale Magnesium Fluoride...

Preparation of Nanoscale Magnesium Fluoride Powders by Ultrasonic-Assisted Direct Precipitation Method

Abstract:

Using MgCl₂·7H₂O as the starting material and NaF as precipitating agent, nanoMgF₂powder were prepared by sonochemical method. Morphological structure of the particle is characterized by means of XRD and SEM, TEM and Flourier Transition Infrared Spectrum. The influence factors, such as reactant concentration, reaction temperature and ultrasonic frequency were discussed. The optimum sysnthsis conditions was acquired, such as that the molar ratio of [F-] and [Mg²⁺] is 1/7.5, the reaction time 2h, the reaction temperature 80°C, the ultrasonic frequency 80kHz.

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Periodical:

Advanced Materials Research (Volumes 785-786)

Pages:

523-526

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.785-786.523

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Online since:

September 2013

Authors:

Hai Yang Wang*, Ping Li, Wan E Wu

Keywords:

Direct Precipitation, Magnesium Fluoride, Nanoscale, Sonochemical, Synthesis

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