2007
DOI: 10.1021/la7002782
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Preparation of Petaloid Microspheres of Basic Magnesium Carbonate

Abstract: The synthesis of basic magnesium carbonate was examined under ultrasonic irradiation and was performed by the soda ash method using magnesium sulfate and sodium carbonate as starting materials. The particulate product was evaluated using SEM observations. Ultrasonic irradiation in the preparation of basic magnesium carbonate was found to give fine petaloid microspheres of about 3 mum in primary particle size.

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Cited by 15 publications
(10 citation statements)
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“…It is widely known that the forms and properties of particles are closely interrelated. Thus, interestingly enough, when the particle form changes, it also alters the particle properties even for the same substance [29]. The industrial filtration rate of magnesium carbonate is in the range of 658-1480 kg·m -2 ·h -1 [30,31].…”
Section: Effect Of Reaction Temperaturementioning
confidence: 99%
“…It is widely known that the forms and properties of particles are closely interrelated. Thus, interestingly enough, when the particle form changes, it also alters the particle properties even for the same substance [29]. The industrial filtration rate of magnesium carbonate is in the range of 658-1480 kg·m -2 ·h -1 [30,31].…”
Section: Effect Of Reaction Temperaturementioning
confidence: 99%
“…Therefore, it is possible to deduce that the crystal structures of the substance wrapped in the cotton cloth is that of magnesium carbonate basic. 28 The Mg, C and O signals in the EDS analysis could further conrm that magnesium carbonate basic was coated on the surface of the cotton cloth in the hydrothermal process (Fig. 3b).…”
Section: Characterization Of Samplesmentioning
confidence: 86%
“…29,30 Recently, considerable attention had been paid to the preparation of basic magnesium carbonate with various morphologies. For example, Ohkubo et al 31 had synthesized petaloid microspheres of basic magnesium carbonate with a primary particle size of several micrometers under ultrasonic irradiation using magnesium sulfate and sodium carbonate as starting materials. A porous Mg 5 (CO 3 ) 4 (OH) 2 $4H 2 O spheres with rosette-like morphologies had been prepared by reacting anhydrous magnesium sulfate and urea via a hydrothermal method.…”
Section: Introductionmentioning
confidence: 99%