《Table 1 Formulations of samples/g》

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《Rare-earth Cerium Additives for Sinterability of Anorthite-Diopside Ceramics》

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Note:In each group，the mass ratio of IOTs∶Ca CO3∶Si O2=6∶1∶1，and the ratio was obtained according to results of orthogonal experiments.

Iron ore tailings（IOTs），and chemical reagents Ca CO3and Si O2were used as starting materials for the synthesis of An-Di ceramics.The composition of IOTs was detected via three kinds of test techniques:PW4400/40 X-ray fluorescence spectrometer，X SeriesⅡPlasma mass spectrometer，and AFS-820 Dual channel atomic fluorescence photometer，and was given in mass ratios as follows:Si O2，30.09%；Fe2O3，28.02%；Al2O3，11.73%；Ti O2，10.97%；Ca O，5.64%；Mg O，4.33%；Na2O，1.78%；loss on ignition，5.67%；other trace elements，1.77%.The mass percentage of Ce（Ce is added in the form of Ce （NO3）·6H2O） accounted for 0，3%，5%，7%，9%，and 11%，and the corresponding samples were noted as C0，C3，C5，C7，C9，and C11，respectively.The formulations of the samples were reported in Table 1.