Calcium aluminate clinkers,in which the mass ratio of Al2O3 to Si O2( A/S) is 5,were prepared at 1500 ℃ for 1 h by proportioning pure reagents. The alumina leaching properties and crystal structure of 12 Ca O·7Al2O3in the clinkers with different molar ratios of Ca O unbonded with Si O2 to Al2O3( C/A) were studied. The effect mechanism of C/A on the clinkers was also discussed by X-ray diffraction and X-ray fluorescence analysis. When C / A is 1. 0 to 1. 4,the alumina-leaching ratio improves because the amou...
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