Preparation of nano-MgO using ultrasonic method and its characteristics

Main Article Content

Zhen-Xing Tang
Lu-E Shi

Abstract

MgO is an important inorganic material, which can be used in many aspects, such as catalyst, toxic-waste remediation agent, adsorbent, and others. In order to make use of MgO, nano-MgO was prepared by ultrasonic method using Mg (CH3COO)2.2H2O as precursor, NaOH aqueous solution as precipitant in this paper. Effect factors on MgO nano-particle size were investigated. Characteristics of samples were measured by TGA, XRD, TEM, and others techniques. The results showed that the size of nano-MgO about 4 nm could be obtained under the following conditions (ultrasonic time 20 min, ultrasonic power 250 W, titration rate of NaOH 0.25 mL/min, NaOH concentration 0.48 mol/L, calcinations temperature 410 °C, calcination time 1.5 h, heating rate of calcination 5 °C/min). It was a very simple and effective method to prepare nano-MgO.

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Tang, Z.-X., & Shi, L.-E. (2008). Preparation of nano-MgO using ultrasonic method and its characteristics. Eclética Química, 33(1), 15–20. https://doi.org/10.26850/1678-4618eqj.v33.1.2008.p15-20
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Original articles

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