| abstract |
(57) [Summary]nPROBLEM TO BE SOLVED: To produce a spherical leucite crystal. And accurately disperse the specified mixture in the matrix accurately and homogeneously. To be able tonSOLUTION: The spherical leucite crystal 2, 4, 6 is K 2 SO 4 And Al 2 (SO 4 ) 3 And SiO 2 To K 2 SO 4 : 90 to 50 mol%, Al 2 (SO 4 ) 3 : 5 to 15 mol%, SiO 2 : Mixed at a ratio of 5 to 35 mol% And mixing the mixture at a temperature of 900 ° C. to 1200 ° C. Heating to a range and washing after the heating To manufacture. |